Title:
塩化ビニル−酢酸ビニル共重合体粒子及び自動車アンダーボディコート剤
Document Type and Number:
Japanese Patent JP6828462
Kind Code:
B2
Abstract:
Vinyl chloride-vinyl acetate copolymer particles comprising a vinyl chloride-vinyl acetate copolymers in which a vinyl acetate residue unit content is continuously distributed in a range of 0 to 30% by weight and the distribution has one local maximum, and which has an average polymerization degree of 1,500 to 3,000 and an average vinyl acetate residue unit content of 5 to 15% by weight, and wherein an average diameter of a primary particle of the vinyl chloride-vinyl acetate copolymers is from 1 to 2 μm.
Inventors:
Watanabe Kazunori
Application Number:
JP2017012617A
Publication Date:
February 10, 2021
Filing Date:
January 27, 2017
Export Citation:
Assignee:
Tosoh Corporation
International Classes:
C08F214/06; C08F218/08; C08J3/12; C08K5/41; C08L27/06; C08L31/04; C09D7/65; C09D127/06
Domestic Patent References:
| JP2009221335A | ||||
| JP2012144703A | ||||
| JP4081477A | ||||
| JP11080598A | ||||
| JP4050273A |
Foreign References:
| CN102417556A | ||||
| US20130281621 |