Blend compositions of hard and soft crosslinkable acrylate...

Details Blend compositions of hard and soft crosslinkable acrylate... Blend compositions of hard and soft crosslinkable acrylate...

2005-10-04

2005-10-04

Zalukaeva, Tatyana (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S522000, C524S525000, C525S221000, C525S223000, C525S228000

Reexamination Certificate

active

06951899

ABSTRACT:
To provide a method for producing a blend composition of an acrylic type polymer having an excellent mechanical characteristic as well as a low temperature characteristic, and to provide a blend composition of an acrylic type polymer, and also to provide a blend composition of an acrylic type polymer for sealing materials having an excellent abrasion resistance which is important for sealing materials.To prepare a blend composition of an acrylic type polymer by co-precipitation after mixing (A) an aqueous latex of a copolymer—showing about −10° C. to −65° C. of a glass transition temperature Tg—obtained by emulsion polymerization or suspension polymerization of at least one of an acrylic ester and methacrylic ester with a vinyl monomer containing crosslinking group with (B) an aqueous latex of copolymer—showing about 0° C. of a glass transition temperature Tg or a softening point—obtained by emulsion polymerization or suspension polymerization of at least one of an acrylic ester and methacrylic ester with a vinyl monomer having crosslinking group.

REFERENCES:
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patent: 3808180 (1974-04-01), Owens
patent: 4052525 (1977-10-01), Ide et al.
patent: 4195134 (1980-03-01), Coleman
Abstract of Japanese Pub. No. 63-218752, published Sep. 12, 1988, Shigeru (Nippon Zeon Co. Ltd.), 2 pages.
Abstract of Japanese Pub. No. 04-216852, published Aug. 6, 1992, Yukihiro et al (Japan Synthetic Rubber Co. Ltd.), 2 pages.
Abstract of Japanese Pub. No. 05-214196, published Aug. 24, 1993, Yukihiro et al (Japan Synthetic Rubber Co. Ltd.), 2 pages.
Abstract of Japanese Pub. No. 02-300204, published Dec. 12, 1990, Masayuki et al (Japan Synthetic Rubber Co. Ltd.), 2 pages.
Abstract of Japanese Pub. No. 02-300203, published Dec. 12, 1990, Masayuki et al (Japan Synthetic Rubber Co. Ltd.), 2 pages.

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