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Патент USA US2105697

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Patented
'18p
~ 2,105,591
_ ’
omen-"STATESaiosmrPATENT" OFFICE
?ammsrvn m coa'mro conirosrrrou'
_“ Alexander B. Macdonald. Maiden, Mass, assign
or 1:08. B. Chemical 00,, Boston, Mass., a
poration 0! Massachusetts
-
No Drawing. Application September 5, 1984,
7
-
a
a
Serial No. 742,873
'1 was
‘
(Cl. 134-26)
This invention relates to adhesive and coating
not destroy the core. The securing of a cover ‘
to the core of playing balls, such as golf balls,
and involving the use of polymerized chloroprene,
positions embodying polymerized haloprene.
' An object of this invention is to provide a fluid is disclosed and claimed in the co-pending United
adhesive or coating ‘composition embodying ._ States application SerialNo. 742,872, ?led Sept.
compositions, and more particularly ‘to such com-v
polymerized haloprene, more particularly poly- ‘ 5, 1934, in the name of AlexanderD. Macdonald.
‘In the accomplishment of the above and other
objects, I have found that compositions particu
merized chloroprene, and which may be employed
in conjunction with rubber articles in cases where
it is desired that the polymerized chloroprene
larly advantageous for many purposes may be
10 adhere 'to the rubber but where deterioration of
or solvent attack upon the rubber is to be avoided‘
prepared by ‘dissolving polymerized chloroprene 10;
in solvent material selected from the cyclic ethers '
of the glycols, also known as alkylene oxides. In
?uid polymerized chloroprene adhesive to the this class of compounds, furfurane is to be con
15 rubber thread-wound core of a golf ball in order‘ sidered as the cyclic ether of an unsaturated 15
giycol.
,
An example oi’ such use is the application of a
. to secure the cover adhesively to the golf ball
Among the cyclic ethers of the glycolsiconteml- '
plated by this invention, including single and‘
double ethers, may be mentioned the following
core and where substantial dissolving or other
deteriorating attack upon the " tension-wound
} threads of the core would weaken the threads
20 or cause them to snapand seriously damage .if
by way of speci?c example:
20"
, '
CH1
Ethylene oxide
as
L \0
25
_ orb-oakv
u-Pmpylene oxide
Lia/0
.
Boiling point 35° 0.
(OHDPU
- $0
Iso-butyiene oxide
I
.
I 85
'
ljo
‘c
_
'(lif‘?gtggmg)
t
‘
-
H‘>0
Boiling point 57° 0.
are
.
.
CHr-CE-OH:
' 'y-Pentylene oxide
_
40
\0
Boiling point 77'" o.
H’'°B’/
v
l‘
OHa/
'
w
v
v
\0
_
Boiling point 101° 0.
'
om-o
‘
\oHa '
HI-o/
Diethylens oxide
I
I
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\om-om/
Ethylencmethylotbor i
' m
‘ '
oHr-on-om
B-Hexylenc oxide
.
/°H'_°H'\
‘
‘
Boillngpoint 78° 0‘
.
seams °\
‘
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°
'
m-on
Furi'onno
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5‘
\o
v Bo?inr point 21° 0.
m-on/
on- o-om
kw
w
50
WW1” °*
urn-or‘
,
.
Boiling point ma» 0.
/
orb-om
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p
Boiling point 125° 0,
\o
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ni-om/
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Bo?lnzpolntob“ o.
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‘
‘
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»
2,105,097
9'
ct» iluid adhesive“ compositions‘ ac-
cording
-
f
10
,
-'
-
.
.
_,
.
>
oi’ polymerized chloroprene may be prepared. and '7 ‘
x
-
analogous purposes and in association with many -
_
materials. In view of the substantial insolubility'
'Partsbyweight
of rubber in the cyclic ethers of the glycols. how 10
ever,,a particular advantage arises in the use of
such compositions in connection with rubber sur
faces- where freedom from solvent attack on the
Polymerized’cbloroprene -_-_ ........ ________ 1
_ Furiurane
1
'
'l
Emmple ‘III,
'
I
-
.
.
Partsby'weight
Polymerized ohloroprene___'____-.- __________ _Dioxan
Ether
'
"
Methyl acetate
‘
-
'
.
prone may be deposited from such compositions
with a, minimum or coating applications‘. The 5
compositions of this invention may of course be
employed for a number of adhesive‘I coating, and
*Example‘ll
i"
_
ofa ?uid, freely ?owing character. A consequent
advantageis that ?lms o1’ polymerized chloro
this invention are as iollows: . v.
loamplcl
.
rubber is desired.
4
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'
Y
-
_
7
4
'
‘
.A form or polymerized chloroprene suitable for 15
the purposes of this invention is the synthetic
rubber-like material known commercially as “Du-4
10
9
Prene", and which may be made by polymerimng
chloroprene in the manner set forth in United
.20 may be prepared by placing the polymerized States Letters Patent No. 1,950,436, granted
chloroprene, in the form of small pieces of sheet , March 13, 1934, uponan application of Ira Wil 20
The vi'aoimicsitions given in‘ the above examples
material, in the solvent and stirring or otherwise
agitating until solution is attained.
liams.
The chloroprene itself may be made in
the manner described in United States Letters
In Example Ill’. it will be noted, the low-boiling ' Patent No. ‘1,950,431, granted March 13, 1934,
25 diluents ether and methyl acetate have been em
upon an application of W. H. ,Carothers and A. M. l
ployed, which have the effect of causing the com
, position to dry more readily.
Collins. So far as applicable to ‘the purposes of
this invention, other haloprenes are to be con
sidered as equivalents of chloroprene, for exam
Where rapid dry
ing is not desired or required, the diluents may
be omitted orreplaced by other and less volatile
ple, bromoprene, described in said Patent No.
1,950,431. The polymerization of bromoprene is
In general,- in preparing compositions according \ described "in United States Letters Patent No. 30
to this invention, the choice“ of the particular 1,950,433, granted March 13, 1934,‘ upon an appli
j cyclic ether solvent material will depend in part cation of W. H. Carothers and A. M. Collins.
upon the volatility desired in the solvent portion
Having described my invention, what I claim as
35 ofthe composition. One of-the cyclic ethers of new and desire to secure by Letters Patentof
:35
theglycols may be employed, or several in com
the United States is:
'
bination. ‘Furthermore, a relatively high boiling
1. A composition comprisingapolymerized halo
cyclic ether may be employed in combination with prene‘dissolved in a cyclic ether of the glycols.
other and more volatile solvents or non-solvents
2. An adhesive composition comprising poly
40 ‘in order to impart the desired properties to the» merized chloroprene dissolved in solvent material
. composition. In view of the extreme volatility selected from a class consisting of propylene :40
of ethylene oxide,:'compositions embodying the oxide, furfurane, and dioxan. ]
30
'
.45
materials.
-
same may be prepared and maintained at low
temperatures, or the ethylene oxide. may ?rst be
dissolved in one of its solvents.
Moreover, under suitable circumstances, va
rious compounding ingredients may be employed
g
in compositions prepared according to this in
roprene dissolved in dioxan,
6. A composition comprising polymerized chlo
roprene dissolved in dioxan, and a low-“boiling
vention, including, for example, vulcanizing
accelerators of vulcanization, stabilizers,
50 agents,
and ?llers. '
.
It should be noted that, due to the high solu
bility of polymerized haloprenes, particularly
polymerized chloroprene, in cyclic ethers of the
glycols, compositions containing high percentages
3. A composition‘ comprising polymerized chic-'
roprene dissolved in propylene oxide.
'
4. [A composition comprising polymerized chlo
roprene dissolved in furfurane.
‘
-
5. A composition comprising polymerized chlo
diluent.
,
7. A composition comprising polymerized chlo
roprene dissolved in a cyclic ether oi the glycols.
ALEXANDER D. MACDONAID.
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