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US 12,473,388 B2Granted
Acrylic polymer
AssigneeNippon Shokubai Co., Ltd.
InventorsRyuji Onishi, Teruhiro Kawano, Shingo Tokuhara
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Abstract
A novel acrylic polymer is provided. The novel acrylic polymer is an acrylic polymer which has a lactone ring structure in the main chain and has a melt flow rate of 2 g/10 minutes or more as measured at 230° C. under a load of 3.8 kg according to JIS K 7210.
Claims17
A composition comprising a resin (A), wherein the resin (A) consists of an acrylic polymer having a lactone ring structure in a main chain of the acrylic polymer, the acrylic polymer having a melt flow rate of 2 g/10 minutes or more as measured at 230° C. under a load of 3.8 kg according to JIS K 7210,
- wherein the acrylic polymer has a yellowness index of 2 or less, and
- the lactone ring structure comprises a 6-membered ring.
Dependencies are inferred from the claim text.