(Meth)acrylic molding material and a production process thereof

Details (Meth)acrylic molding material and a production process thereof (Meth)acrylic molding material and a production process thereof

1996-06-21

1998-12-08

Reddick, Judy M.

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...

524112, 524285, 524287, 524437, 524531, 524549, 524556, 524560, 524773, 524774, 524776, 524780, 524786, 524433, 524436, 525285, 526271, C08K 509

Patent

active

058470360

ABSTRACT:
The present invention provides a (meth)acrylic molding material comprising (A) a (meth)acrylic polymer obtained by polymerization of monomer components essentially containing a monomer having (a) carboxyl group(s) and an alkyl (meth)acrylate monomer, and (B) one or more kinds of monomers containing a vinyl group, wherein 30-600 parts by weight of aluminum hydroxide and 0.01-10 parts by weight of a succinic acid derivative are added for 100 parts by weight of the total of said polymer (A) and monomer (B). The (meth)acrylic molding material is thickened by aluminum hydroxide and the thickening behavior is controlled by the succinic acid derivative to prevent the viscosity from increasing with time, accordingly, the (meth)acrylic molding material shows good workability.

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