Thermoplastic acrylic resin composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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524 64, 524 67, 524 71, C08L 5106

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active

044529414

ABSTRACT:
A novel acrylic thermoplastic resin composition, transparent and excellent in flexibility, consisting of at least two different multi-layer structure polymers. Polymer [I] contains an inner layer of crosslinked acrylic elastomer and an outer layer of acrylic resin, wherein the amount of elastomeric inner layer is minor in comparison with the amount of the resin outer layer; polymer [II] has the same fundamental polymer structure as multi-layer structure polymer [I] except that the amount of crosslinked elastomer inner layer is a major amount as compared to the amount of resin outer layer. It is preferred that an intermediate layer having an intermediate property exist between the inner and outer layers of the multi-layer structure polymers.

REFERENCES:
patent: 3804925 (1974-04-01), Kato et al.
patent: 4052525 (1977-10-01), Ide et al.
patent: 4242469 (1980-12-01), Schmitt et al.

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