US 11,987,692 B2
Thermoplastic resin compositions, adhesive coating materials, and laminates using the same
Ryota Nakanishi, Tokyo (JP); and Kosuke Sugiya, Tokyo (JP)
Assigned to RIKEN TECHNOS CORPORATION, Tokyo-To (JP)
Appl. No. 15/560,615
Filed by RIKEN TECHNOS CORPORATION, Tokyo (JP)
PCT Filed Feb. 29, 2016, PCT No. PCT/JP2016/055983
§ 371(c)(1), (2) Date Sep. 22, 2017,
PCT Pub. No. WO2016/152389, PCT Pub. Date Sep. 29, 2016.
Claims priority of application No. 2015-061875 (JP), filed on Mar. 25, 2015; application No. 2015-179009 (JP), filed on Sep. 11, 2015; and application No. 2015-229333 (JP), filed on Nov. 25, 2015.
Prior Publication US 2018/0117889 A1, May 3, 2018
Int. Cl. B32B 27/00 (2006.01); B32B 15/085 (2006.01); B32B 27/08 (2006.01); C08K 5/14 (2006.01); C08K 5/1539 (2006.01); C08L 23/08 (2006.01); C08L 53/02 (2006.01); C09J 123/08 (2006.01); C09J 145/00 (2006.01); C09J 153/02 (2006.01)
CPC C08L 23/0823 (2013.01) [B32B 15/085 (2013.01); B32B 27/00 (2013.01); B32B 27/08 (2013.01); C08K 5/14 (2013.01); C08K 5/1539 (2013.01); C08L 53/025 (2013.01); C09J 123/0823 (2013.01); C09J 145/00 (2013.01); C09J 153/02 (2013.01); C09J 153/025 (2013.01)] 16 Claims
 
1. A thermoplastic resin composition comprising:
(A) 100 parts by mass of thermoplastic resin;
(B) 0.05 to 5 parts by mass of one or more compounds selected from the group consisting of an unsaturated carboxylic acid and an unsaturated carboxylic acid derivative; and
(C) 0.01 to 3 parts by mass of organic peroxide;
the component (A) comprising:
(a1) 10 to 90% by mass a cyclic polyolefin-based polymer; and
(a2) 90 to 10% by mass a hydrogenated product of a block copolymer comprising a polymer block consisting of an aromatic vinyl compound and a random copolymer block of a conjugated diene compound and an aromatic vinyl compound, provided that the total of the component (a1) and the component (a2) is 100% by mass),
wherein the random copolymer block of the conjugated diene compound and the aromatic vinyl compound consists of 70 to 95% by mass the structural unit derived from the conjugated diene compound and 5 to 30% by mass the structural unit derived from an aromatic vinyl compound,
a content of the structural unit derived from the aromatic vinyl compound in the above component (a2) is from more than or equal to 5% mass to and less than 75% by mass,
the component (a1) is a copolymer consisting of a cyclic olefin and an α-olefin having 2 to 8 carbon atoms,
the cyclic olefin comprises 50% by mass or more of the cyclic polyolefin-based polymer of (a1) and the hydrogenation rate of the hydrogenated product of the block copolymer of (a2) is 50% by mole or more, and
a 180-degree peel adhesion force of the thermoplastic resin composition is equal to or more than 0.1 N/15 mm and equal to or less than 21 N/15 mm measured as follows: the thermoplastic resin composition and an ethylene-vinyl alcohol copolymer comprising 27 mol % vinyl alcohol are extruded using a 40 mm single screw extruder and a 25 mm single screw extruder, respectively, from a coextrusion die under the conditions of a die temperature of 200° C. to form an ethylene-vinyl alcohol copolymer layer and a thermoplastic resin composition layer, respectively, in a coextruded molded product, wherein the ethylene-vinyl alcohol layer is 0.1 mm in thickness and the thermoplastic resin composition layer is 1 mm in thickness in rectangular cross-sectional shapes respectively when cut vertically to the machine direction; wherein the coextruded molded product obtained is cut in the width direction into pieces with a width of 15 mm to yield a sample; wherein, using JIS Z0237:2009 10.4, the sample is subjected to measurement of the 180-degree peel adhesion force required to remove the ethylene-vinyl alcohol copolymer layer from the thermoplastic resin composition layer under the conditions of a test speed of 300 mm/min.