Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-02-15
1987-01-06
Ziegler, Jacob
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525302, 525304, 525305, C08L 3308
Patent
active
046347348
ABSTRACT:
The invention relates to a thermoplastic molding material of an elastomeric polymer A, a shell B grafted to the polymer A, and a copolymer C as rigid matrix. The amount of polymer A is 1 to 25 percent by weight based on the weight of A+B+C. It has a glass transition temperature, Tg, of less than 0.degree. C. and an average particle size of 200 to 750 nanometers (d.sub.50 value of the integral mass distribution) and is composed of: 50 to 99.9 percent by weight of at least one alkylacrylate with 1 to 8 carbon atoms in the alkyl radical and 0.1 to 5 percent by weight of a polyfunctional monomer which has a crosslinking action. Grafting shell B represents 5 to 40 percent by weight based on A+B+C and is composed of at least one of the monomers of the group of
REFERENCES:
patent: 3655826 (1972-04-01), Fellmann et al.
patent: 3671607 (1972-06-01), Lee
patent: 3830878 (1974-08-01), Kato et al.
patent: 3886232 (1975-05-01), Tanaka et al.
Bernhard Claus
Hambrecht Juergen
Schmitt Burghard
Stephan Rudolf
Swoboda Johann
BASF - Aktiengesellschaft
Lisicki Norbert M.
Ziegler Jacob
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