Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1994-10-27
1995-12-26
Lipman, Bernard
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525102, 525105, 526335, 526338, 526340, C08F 800
Patent
active
054788994
ABSTRACT:
The capping of anionic polymers to make functionalized polymers is improved by using alkoxy silyl compounds having protected functional groups, such as acetal groups, as the capping agent. The protected functional groups are stable under a variety of conditions and then readily convert to more reactive terminal functional groups useful for making adhesives, sealants and coatings.
REFERENCES:
patent: 5331058 (1994-07-01), Shepherd et al.
patent: 5432242 (1995-07-01), Baron
M. A. Peters & J. M. DeSimone "A General Method for the Synthesis of Telechelic Materials", 1994, Polym. Prepr. (Am. Chem. Soc. Div. Polym. Chem), vol. 35(2), pp. 484-485.
Lipman Bernard
Shell Oil Company
Tackett Keith M.
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