вход по аккаунту


Патент USA US2411938

код для вставки
Patented Dec. 3, 1946
Jacob Ratner, Brooklyn, N. Y.
No Drawing. Application May 19, 1941,
Serial No. 394,225
5 Claims. (Cl. 260—19)
This invention relates to cleaning and polishing
compo-sitions particularly suitable for automobiles.
and all types of household furniture.
This application is a continuation-in-p-art of
application Serial No. ‘76,079, ?led April 23, 1936,
entitled Cleaning and polishing compositions.
A very great number of different types of clean
ing and polishing compositions have beenused
and suggested in the prior art. While such wide
variety of polishes have been known, they are 10
open to a large number of difficulties and de?
ciencies both from the standpoint of manufacture
cleaning and polishing compositions are produced
which deposit on the treated surface a very thin,
delicate, invisible, transparent preservative ?lm
which dries rapidly, is lustrous in and of itself
without the need of buiiing or rubbing, is readily
applied in uniform manner by mere wiping on as
with a cloth, is resistant to dust, ?nger marks,
water spotting, etc., and is of substantial dura
bility, is freely and readily distributable over a
large area of surface and does not lead to unde
sirable accumulations even after frequent appli
cations, and permits the composition to contain
high percentages as much as 85 to 92% of a
and in use. Many of them are expensive to make.
petroleum diluting cleaning vehicle without causy
Many are in?ammable and give rise to hazardous
conditions in both manufacture and use. Many 15 ing bloom on the treated surface.
In such compositions in accordance with the
of them require heat during processing and man
present invention, a ?lm-forming component is
ufacture. Many of them while useful on one type
employed but the proportions of such ?lm-form
of surface, injure other types of surfaces so that
ing component are such as ‘not to produce an
they are not capable of general application.
Many of them are not homogeneous resulting in 20 ordinary substantial resinous or lacquer type
coating which could not be applied with a cloth
segregation of components on standing which
and would not be suitable for frequently repeated
cannot be readily made compatible even by violent
applications. Of the ?lm-forming components
shaking. Many of them require rubbing or
available in the art, there are two outstanding
bu?'ing in order to develop the luster required.
Many of them give rise to a surface bloom. Many 25 materials‘of unique value in cleaning and polish
ing compositions produced in accordance with the
of them do not dry rapidly enough and are not
present invention, those outstanding ?lm-form
resistant to ?nger marks. Many of them'are
ing components being phenol formaldehyde resins
Among the objects of the present invention is 30 on the one hand, and substantially pure metallic
organic compounds illustrated by the heavy metal
the production of cleaning and polishing compo
derivatives of fatty acids, particularly those from
sitions generally applicable on coatings contain
the’ glyceride oils, namely, linoleates, oleates and
ing a vegetable oil or even on cellulose ester coat
stearates, and also those produced from resinic
ings normally susceptible to injury when treated
subject to spotting by water or rain.
acid which may be called resinates and from
with a polish containing substantial amounts (as
acid as well as the metal butyl
over 33%) of cellulose ester solvents, as in con
phthalates. These ?lm-forming components may
nection with automobiles and household furni
be utilized individually or in combination, and
.ture, which compositions are economical to man
particularly important results are obtained by
ufacture, may be produced from components
employing combinations of the phenol formalde
readily available, and have unique properties
eliminating the difficulties and deficiencies of 40 hyde resins with the metallic organic compound
prior art compositions.
Many other and further objections and advan
tages will appear from the more detailed descrip
as will be further illustrated below.
Of the phenol formaldehyde resins, a most im
portant one for present purposes are the oil solu
tion given below, it‘ being understood, however, 45 ble phenol formaldehyde resins readily available
today and produced generally from substituted
that this more detailed description is given by
alkyl phenols. Such oil soluble phenol formalde
way of illustration and explanation only, and not
hyde resins may be utilized to-produce homogene
by way of limitation, since various changes
ous compositions by the utilization of the ve
therein, may be made by those skilled in the art,
hicles and modifying liquids of the present inven
without departing from the scope and spirit of
50 tion. The alcohol soluble phenol formaldehyde
the present invention.
resins and polybasic acid-polyhydric alcohol res
In accordance with the present invention,
ins may also be employed. In coating composi
tions such resins require the use of not less than
40% of a cellulose ester solvent and such com
tetrachloride which is most suitable for use in
the higher ratios. Other chlorinated hydrocar
bons having a higher boiling point and which are
positions containing those proportions of cellu
lose ester solvent would be injurious if applied
as a cleaner or polisher for surfaces carrying cel
lulose ester coatings. In accordance with the
to the direct alcoholic solvents, can be employed
in the lower ratios, such other chlorinated hydro
used or usable in lacquers as solvents auxiliary
present invention such resins are used in a much
carbons including ethylene dichloride, trichlor
ethylene, tetrachlorethylene, orthodichlorben
smaller quantity, and by employing a mild mod
zene, etc. ; as well as chlorhydrins like dichlorhy
ifying liquid, 1. e., an oil containing ester or a 10 drin and ethylenechlorhydrin can be used. Even
the lower (than carbontetrachloride) boiling
methyl chlorine compounds such as methylene
chlorinated or aromatic hydrocarbon, as an aux
iliary solvent, the quantity of cellulose ester sol
vent can be kept to about 25% of the composi
tion, thus facilitating the use of these resins in
cleaning and polishing compositions.
In producing the polishing and cleaning com
positions of the present invention the desired
?lm-forming component is utilized in a composi
tion whichvcontains a relatively major amount
even up to .80 or 85% and more of the composi
tion, of a mild or neutral diluting cleaning vehicle
and generally also there is present in the com
position, a_ substantially lesser proportion of a
chloride, can be used in the polishes in a propor
tion of say 25% for the purpose of reducing the
15 proportion of direct alcoholic or ester solvent or
for the purpose of enabling the use of a very .
slowly evaporating petroleum diluent such as
kerosene. Further there can be used as the modi
fying liquid oil containing ester such'as pine oil,
20 essential oils such as Siberian pine-needle oil or
Venice turpentine, either the synthetic or natural,
the natural product being pasty and slow drying
being used in proportions generally of not more
modifying liquid particularly useful in combining
than about 4% compounded with from 10 to 16%
and homogenizing the resin with a diluting clean 25 of other members of the hereinmentioned
ing vehicle consisting of a petroleum derivative
groups. Or cellulose ester solvents may be used,
which when used alone (without the modifying
such as alcohols, esters particularly the acetic
liquid) tends to precipitate or to settle out even
and benzoic acid esters, glycol solvents, such as
an oil soluble phenol resin and to produce bloom
ethylene glycol, butyl cellosolve, etc., as well as
on a treated surface. Generally a phenol form 30 solvents produced by hydrogenation such as hy
aldehyde resin when employed is used in an
‘drogenated phenol. Particularly important for
amount of from 1 to 10% of the composition
inclusion in this group are the mobile pure or
while the organic metallic component may be .
ganic metallic compounds, such as cobalt, lead,
etc., linoleates, naphthenates, etc., particularly
used in an amount of from 1 to 20% of the com
position, and mixtures of the phenol formalde 35 those which are soluble directly in petroleum and
hyde resins and metallic organic components may
may be utilized with the oil soluble phenol form
be employed in the same composition within the
limits referred to.
aldehyde resins in a petroleum vehicle to serve
as an individual solvent (requiring the aid of no
The mild or neutral diluting cleaning vehicle ,
other solvent or modifying liquid) for the resin
is desirably chosen from the group which consists 40 and as a modi?er of the petroleum diluent by re
of volatile petroleum hydrocarbons such as pe
ducing the disagreeable odor and preventing sur
troleum naphtha, Stoddard solvent, etc., which
face bloom; and they may also be used as an
can be referred to as light petroleum liquids,
auxiliary solvent with an alcohol soluble resin
volatile liquid chlorinated hydrocarbons, such as
for the purpose of minimizing the proportion of
carbontetrachloride which is the most preferable
cellulose ester solvent to less'than 30% of the
composition. These mobile organic metallic com
and ethylene dichloride, and volatile liquidmy
pounds also serve as a lubricity agent thus en
drocarbons, such as xylol as well as turpentine;
or various mixtures and combinations of these
abling ‘thesolvent for the alcohol soluble resin to ~
stated components. The light petroleum compo
be non-sirupywnon-viscous, and non-dense, such
asa simple alcohol, which is most economical for
nent or the carbontetrachloride are the most de
sirable components for these compositions for rim-use.
general application, while the xylol and the
In connection with these various vehicles it
ethylene dichloride-aremore eifective vehicles in
should _be noted that any of the volatile liquid
compositions particularly useful on varnished or
chlorinated hydrocarbons are suitable for use as
painted surfaces. Turpentine may be included
a modifying liquid in a ratio of from 10 to 25%
to reduce the high luster and to produce a semi 55 of the composition; but when used as a diluting
dull or dull ?lm, as for example, when desired on
cleaning vehicle in the ratios above that amount,
antique furniture.
carbontetrachloride is the most suitable although
For most desirable results, the phenol formal
ethylenedichloride can also be used in the higher
dehyde resin is used in an amount of from 1
percentages. Similarly, in connection with the
to 5% of the composition, together with the dilut-' 60 ‘coal tar aromatic hydrocarbons, all are suitable
ing cleaning vehicle, the latter constituting the
for use in a proportion of 10 to 25% but when
major proportion or bulk of the composition.
used as a diluent, in the high ratios only xylol
Where the resin is not soluble in the petroleum
should be employed and then only for composi
derivative or cleaning vehicle employed and for
tions for application to oil coatings.
other purposes as well, a modifying liquid is em 65
Various examples may be given to illustrate
ployed, particularly in proportions of from 10
' compositions produced in accordance with the
present invention, the ?rst group of examples
Such modifying liquid is desirably chosen from
relating to compositions produced with phenol
the following groups. Volatile liquid aromatic hy 70 formaldehyde resins.
drocarbons may be used, such as benzol, toluol
Example I
and xylol, and their derivativessuch as benzyl
benzoate, benzyl alcohol, and benzyl acetate, and
Oil soluble phenol formaldehyde resin____ 1 to 5
also turpentine. Or a volatile liquid chlorinated
AHmodify'Fng liquid _____________ __'____ __
to 25%.
hydrocarbon may be employedsuch as carbon
Petroleum naphtha __________________ __
I 2,411,988
, may be employed.
In this as in other examples set forth below
the components may be mixed in any desired
order unless otherwise indicated and the com
Particularly there may be
mentioned in this connection Venice turpentine
in combination with another modifying liquid
which can be used in a larger ratio than the
position is readily produced by combination of
the stated components. In order to reduce the 5 ‘ slowly penetrating and drying and very pasty
Venice turpentine. The latter should desirably
inflammability of the compositions where the
be limited to an amount of 1 to 4% or may be
volatile petroleum diluents are employed, sub
used in combination with about 8 to 16% of an
stantially non-in?ammable compositions may be
acetate ester, alcohol, or benzyl alcohol, benzyl
' produced by utilizing carbontetrachloride, for
example, in an amount equal to that of the light 10 acetate or benzyl benzoate, or pine oil, or sec
ondary or tertiary butyl acetate, or a mobile pure
petroleum components. This is illustrated in the
orgigiic metallic compound, or viscous sirupy sol
following example:
Example II
Phenol formaldehyde oil soluble resin____ 1 to 5
Pine oil _____________________________ __
solvent ____________________ __
_________________ .._
In lieu of the pine oil a mobile pure organic
Asindicated above, drying oils and waxes are
generally avoided and unnecessary. For some
purposes, however, limited amounts of such vege
table drying oils and of saponiflable hard waxes
may be employed, particularly where the com
position is to be utilized for specialized purposes.
20 When so employed the amount of vegetable dry
ing oil such as tung oil or saponi?able hard wax
such as carnauba wax should not exceed the
metallic compound, more particularly described
below, may be employed or the modifying liquid
may be chosen from the ingredients given above.
amount of resin present in the composition. Such
tung oil or other vegetable drying oil contain
The Stoddard solvent and carbontetrachloride 25 ing compositions are particularly useful for ap
constitute the diluting cleaning vehicle.
plication to cracked coating while the wax con
Alcohol soluble resins of the phenol formalde
taining compositions are more particularly use
hyde or polybasic acid-polyhydric alcohol type
ful for cracked leather furniture.
may be employed, the quantities being ‘substan
Compositions containing the higher propor
tially less than that ordinarily employed for coat 30 tions of resin such as 8% and a modifying agent
ing purposes; such compositions containing dilut
including a cellulose ester solvent are particularly
ing vehicles including petroleum derivatives as
useful in removing accumulated dirt and grease
set forth is thus made possible even by using
or perspiration marks from leather furniture and
minor proportions of a cellulose ester solvent, the
simultaneously to deposit a ?exible preservative ' ‘
amount of the latter being substantially less than
?lm of resin. Metallic naphthanates may simie
that ordinarily required in producing coating
larly be used in such compositions.
compositions. The following example illustrates
such combination:
cleaning and polishing purposes may desirably
be made from the phenol formaldehyde resins and
40 particularly by the inclusion of the metallic or
Example III
ganic compounds of the character described
Alcohol soluble resin ______ __' _______ __
While as set forth above, compositions for
1 to
above, polishes can be produced including the me
tallic organic compounds as the ?lm-forming
agent without any inclusion of resins whatsoever,
Cellulose ester solvent ______________ __
A modifying liquid as set‘ forth above__
or the inclusion of resins to a very small extent
only as from 1/g to 11/2% of the composition, to
give even more greatly improved polishing and
cleaning compositions based on ‘such utilization
Petroleum naphtha _____ __ __________ __ 55 to 60
This composition is not injurious when used as
a cleaning and polishing composition, even on
of the metallic organic derivative as the ?lm
50 forming agent using such material in the ratio of
about 4 to 20% of the composition. Exemplify
ing such material, the following compositions are
Cleaning and polishing ~compositions of the
character set forth above are particularly impor
I Example IV
tant and have unique properties. Immediately
after any excess of applied polishing composition 55
Oil soluble phenol formaldehyde resin_____ 11/2
has been wiped off, these compositions are resist
quite sensitive surfaces and produces a. remark
able ?lm of the character set forth above.
ant to dust, in a relatively vshort time, as for exam
One or more pure organic metallic com
ple,,the space of one hour, they become substan
tially dry and resistant to ?nger marks, give a
Naphtha or Stoddard solvent __________ __
pounds soluble in petroleum __________ __- 4 to 6 _
high luster on automobile surfaces comparable 60
with newly sprayed film, they are homogeneous
' and do not require agitation or shaking before
The organic metallic compound may be, for ex
ample, equal parts of cobalt and lead naph
thenates. The composition makes a ?ne polish.
use, and they avoid lubricity agents such as greasy
An even better polish is obtained when modify
non-drying oils or even vegetable drying oils and
saponi?able waxes which act to reduce luster and 65 ing liquids are included which consists of a wider
combination of ingredients and especially when
interfere with other desirable properties in vsuch
there is included a cellulose ester solvent such as
an acetic ester as indicated in the following
composition necessitating the use of buffing.
They do not result in any appearance of bloom .
Certain modi?cations of these compositions
may be referred to.‘ When the vehicle consists
Example V
of carbontetrachloride alone, there should be in
Metallic compounds_________________ __
4 to 8
cluded about 20% of a slower drying and higher
Butyl acetate or ethyl alcohol ________ __
4 to 8
density modifying agentv for which purposes mod
ifying agents of the character set forth above 76 Naphtha or Stoddard solvent........ -.. 82 to 100
2,41 1.988
Referring to the organic metallic derivatives,‘
volves treatment of 1 part cobalt acetate with
3/15 part potassium hydroxide and 18 to 20 parts
linoleic acid. Naphthenic acid is the most effective
the linoleates are desirably used but the best re
sults are obtained with the naphthenates. The
metallic compounds should be dilutable in a pe
reagent to give metallic compounds soluble in
troleum distillate to a clear transparent liquid
even in the cold without the necessity of previous
solution in turpentine (heretofore required in the
prior art), (1) to the smallest concentration, as
for example, %% for the purpose of merely giv
ing color to the composition, or (2) to concentra 10
tions as high as 16 or even 20% to serve as a film
forming agent. Only such a pure organic metallic
compound can be used in this way.
petroleum derivatives and forms such derivatives
even in the cold. For example, 1 part lead acetate
reacted with only 8 parts naphthenic acid in the
cold form the desired derivative and such prod
uct is nearly colorless and suitable as a polish for
light colored automobiles. The pure metallic
organic compounds even of colorless lead or zinc,
are colored per se and they give a fine color to
the polishing compositions even when used in a
The organic metallic derivative employed may
concentration of merely 1/i%.
be produced in a variety of ways as illustrated by 15
However produced, the product ‘should be pure
the following. It may be produced by thorough
and free from contaminating ingredients which
reaction of an inorganic metallic compound of
lead to difllculties in solubility and other char
the character desired such as a salt of cobalt,
acteristics. These pure organic metallic com
pounds are soluble to' give a ?ne transparent
magnesium, manganese, lead, aluminum, etc.,
particularly a water soluble salt such as the sul
20 color, in petroleum hydrocarbon including even
phate, acetate, etc., utilizing an excess of liquid
fatty acid or reagent for reaction with such
metallic salt, the excess of the liquid fatty
reagent being substantially beyond that nec
essary for metathetical reacting proportions 25
and may actually be as much as 20 to 35 times
greater in weight than the corresponding metal
derivative. The actual proportion of liquid fatty
the non-saponifiable and non-drying para?ln
and mineral oils, such solution being readily pro
duced in the cold, and in varying proportions
without the necessity of solvents, such as turpen
tine or added ingredients like vegetable oils.
These liquid organic metallic compounds are
referred to as mobile because of their liquidity
and they give exceedingly important character
reagent depends on its acidity, the alkalinity of
istics to the cleaning and polishing compositions
the metal compound, the acid number of the 30 in which they are employed, among which there
organic reagent, the degree of heat emp1oyed,'and
may be noted that they do not result in any pre
the hardness of the metal of the compound, that
cipitation in the desired composition and thereby
is, whether a hard metal like cobalt or a soft
produce homogeneous materials which are readily
metal like lead. Such mobile metallic compound
distributed in a uniform manner over the sur-,
acts as a solvent for the oil soluble resin, as an 35 face to be treated. Because of their homogeneity
auxiliary solvent for the alcohol soluble resin, as
they are readily packaged for sale in glass con
a lubricity agent, as a modi?er for the petroleum
tainers. They reduce or completely mask the
diluent to prevent bloom and as an independent
disagreeable odors of the petroleum or turpentine
?lm-forming agent which is better than a solid
vehicles, particularly when used in the higher
metallic compound derived from a solid fatty acid 40 proportions referred to, and they modify the
like stearic acid or from rosin. Or the desired
petroleum vehicles so that the latter do not ex
compound can be produced by a double decom
hibit bloom or ?owers on surfaces to which they
position as set forth above and the precipitated
are applied. They are compatible with oil soluble
metal compound subjected to a repetition of treat
resins and combine with the latter in producing
ment. Or reaction may be carried out using 45 uniform homogeneous compositions even in vola
naphthenic acid which reacts more effectively
tile petroleum vehicles, they dissolve all solid oil
and spontaneously with the desired metal ingre
soluble resins and modify them so that they are
dient, as for example, lead acetatae, giving re
lubricous and freely distributable by a cloth,
action in the cold to a pure organic compound
they enable relatively low cost or low grade oil
particularly useful in polishes for light colored 50 soluble resins to be employed, they enable the
automobiles and furniture.
Or the metal com
pound may be ?rst treated with alkali, as for
example, 1 to 3 parts to 15 parts of the metal,
and then reacted with the liquid fatty reagent
amount of solvent necessary for the resins to be
materially reduced because they have a solubiliz
ing effect on the resins, and particularly they
act as ?lm-forming agents which produce a very
or the alkali may be present during the reaction
thin light transparent metallic preservative ?lm
of the other components. The character of the
of very delicate character. These metallic deriva
inorganic acid from which the reacting metal
tives may be used in the petroleum or chlorinated
salt was derived requires consideration. The
hydrocarbons without precipitation even with
stronger inorganic acids like sulphuric or hydro
chloric give compounds which are more acid in 60 the lead derivatives which usually give precipi
tation in the presence of chlorinated hydro-.
character than salts derived from weaker acids
carbons. The ?lm produced from the metal
such as acetic acid and reduce the alkalinity of
the’composition. Consequently alkaline reagents
derivative does not mask the grain of woods '
used 1/15 part of the alkali, enabling conversion
solvents for alcohol soluble resins, they enable the
higher-ratios of petroleum diluents to be em
such as mahogany, red wood or oak. Even when
may be incorporated to get more complete re
action.‘ For example, 2 to 4 parts of potassium 65 used in the highest proportions they produce no
sediment and are not affected by light even when
hydroxide or strong ammonia may be added for‘
exposed in ordinary glass containers. They may
each part of cobalt sulphate and reacted with 15
to 20 parts of the organic acid followed by wash
be used as a. solvent for oil soluble resin to elimi
ing of the product and then drying. For treat
nate the necessity for cellulose ester solvents so
ment of lead acetate which is a salt of a softer 70 that the resulting composition is not injurious
metal, less alkaline reagent may be employed,
even to imitation hard wood ?nishes which are
thus for each part of lead acetate there may be
the most sensitive coatings. Used as auxiliary
into the pure organic derivative by a small excess
of the organic reagent. Another example’ in 76
liquids which are stable even on long standing and
do not require agitation or shaking before use.
They eliminate ?re hazards. They are non-in
As an example of such types of compositions,
the following is given:
Example VI
jurious to oil coatings and even on sensitive lac
8 to 16 parts of one or more mobile pure organic CI quer ?lms may be readily used so that they are
directly suitable for use on automobiles, pianos,
metallic compounds, particularly those soluble ‘
radios and other household furniture, ‘and for
directly in volatile petroleum hydrocarbons.
painted, varnished, and enameled surfaces. They
80 parts of a diluting cleaning vehicle consisting
are free from acids, alkalies, soaps, water, abra
of a volatile petroleum hydrocarbon, carbon
tetrachloride, ethylene dichloride, xylol or tur 10 sive powders, and from any ingredients which
give rise to injury to surfaces particularly when
used in the proportions herein set forth.
Having thus set forth my invention, 1 claim:
5 to 20 parts of a modifying liquid such as an
oil containing ester, a cellulose ester solvent,
1. A cleaning and polishing composition suit
a liquid chlorinated hydrocarbon of higher
density than carbontetrachloride, or a combina 15 able for automobiles and furniture, capable of
producing a very thin transparent lustrous pre
tion of such components.
servative ?lm reducible by repeated applications
Cleaning and polishing compositions produced
with a cloth and thus non-accumulative to a
in accordance with the present invention are par
ticularly valuable in polishing metal and wood
thick layer, said composition comprising from 1/2
20 to 5% of an oil-soluble phenol formaldehyde
surfaces such as automobiles and household fur
resin and from 1 to 8% of a petroleum soluble me
niture. They are readily applied to the surface to
tallic salt of a carboxylic acid as ?lm forming
be cleaned and polished and are freely distribut
components, the ?lm forming components being
able thereon, rapidly, producing a lustrous ?nish
present in limited proportions sufficient to form
without the need of buffing or rubbing.
a very thin delicate transparent ?lm insu?icient
A simpler type of cleaner for automobile sur 25 of itself to act as a protective ?lm, the remainder
faces which may be readily used for cleaning such
of the composition being petroleum hydrocarbons
surfaces even more thoroughly than by washing
boiling in the range of Stoddard solvent, and up
may be composed of from 8 to 16 parts of a metal-. ‘
to 25% of a compatible organic volatile liquid
lic naphthenate with 84 parts of Stoddard solvent
for the resin and salt.
or slow volatile ‘naphtha equal in character to 30
2. A composition as set forth in claim 1 which
Stoddard solvent.
contains said compatible solvent and said solvent
A simple polish for common wood work may be
boils above the petroleum hydrocarbons.
composed of from 8 to 20% of a metallic naph
3. A cleaning and polishing composition com
thenate with 85 parts of para?ln oil. The metal
prising from V2 to 5% of an oil-soluble phenol
lic compound greatly reduces the greaslness of
formaldehyde resin, from 1 to 8% of a petroleum
the oil and to some extent gives it drying proper
soluble metallic soap, the remainder of the com
ties and a lustr'ms ?nish.
position being petroleum naphtha, and up to 25%
Cleaners and polishers produced in accordance
of a compatible organic volatile liquid solvent
with the present invention exhibit many note
for the resin and soap.
worthy advantages over prior art types of mate 40
4. A composition as set forth in claim 3 which
rials. They are directly applicable as by a cloth
contains said compatible solvent and said solvent
and readily dissolve and remove accumulated
boils above the petroleum naphtha.
grease and hardened dirt. They are of unusual
5. A cleaning and, polishing composition com
economical cost because the lower grades of pe 45 prising 11/2 parts of oil-soluble phenol-formalde
troleum naphthamay be utilized and may con
hyde resin, from 4 to 8 parts of petroleum solu
stitute as indicated as much as 85% of the com
position. They are' readily made by mixing the
stated ingredients without the use of heat to
produce homogeneous substantially transparent
ble metallic soap, from 4 to 8 parts of butyl ace
tate, and from 82 to 100 parts of naphtha.
Без категории
Размер файла
779 Кб
Пожаловаться на содержимое документа