Патент USA US2105697код для вставки
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 ' \om-om/ Ethylencmethylotbor i ' m ‘ ' oHr-on-om B-Hexylenc oxide . /°H'_°H'\ ‘ ‘ Boillngpoint 78° 0‘ . seams °\ ‘ -' ° ' m-on Furi'onno I 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 . p Boiling point 125° 0, \o _ g ' ni-om/ - ' ) Bo?lnzpolntob“ o. ' ‘ ‘ ' » 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 - ' 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.