VINYL CHLORIDE RESIN COMPOSITION, VINYL CHLORIDE RESIN MOLDED PRODUCT, AND LAMINATE

• US 20170009055A1
• Filed: 03/10/2015
• Published: 01/12/2017
• Est. Priority Date: 03/19/2014
• Status: Active Grant

• Current Assignee: ZEON Corporation
• Original Assignee: ZEON Corporation
• Inventors: FUJIWARA, Takanori
• Granted Patent: US 10,640,625 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B29C 41/003 characterised by the choice of material
• CPC Class Codes: B29C 41/18 Slush casting, i.e. pouring moulding material into a hollow mould with excess material being poured off
• CPC Class Codes: B29C 44/12 Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
• CPC Class Codes: B29K 2027/06 PVC, i.e. polyvinylchloride
• CPC Class Codes: B29K 2075/00 Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
• CPC Class Codes: B29L 2009/00 Layered products
• CPC Class Codes: B29L 2031/3008 Instrument panels
• CPC Class Codes: B32B 2266/0278 Polyurethane
• CPC Class Codes: B32B 2605/003 Interior finishings
• CPC Class Codes: B32B 27/065 of foam
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/304 comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
• CPC Class Codes: B32B 27/40 comprising polyurethanes
• CPC Class Codes: B32B 5/18 characterised by features of a layer of foamed material
• CPC Class Codes: C08G 18/3206 aliphatic
• CPC Class Codes: C08G 18/3228 acyclic
• CPC Class Codes: C08G 18/632 onto polyethers
• CPC Class Codes: C08G 18/657 with compounds of C08G18/3225 or C08G18/3271 or polyamines of C08G18/38
• CPC Class Codes: C08G 18/7664 containing alkylene polyphenyl groups
• CPC Class Codes: C08G 2101/00 Manufacture of cellular products
• CPC Class Codes: C08G 2140/00 : Compositions for moulding powders
• CPC Class Codes: C08J 2327/06 : Homopolymers or copolymers of vinyl chloride
• CPC Class Codes: C08J 5/18 : Manufacture of films or sheets
• CPC Class Codes: C08J 9/36 : After-treatment C08J9/22 takes precedence
• CPC Class Codes: C08K 5/11 : of acyclic polycarboxylic acids
• CPC Class Codes: C08K 5/12 : of cyclic polycarboxylic acids
• CPC Class Codes: C08K 5/1515 : Three-membered rings
• CPC Class Codes: C08L 2205/025 : containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
• CPC Class Codes: C08L 27/06 : Homopolymers or copolymers of vinyl chloride

Abstract

Provided is a vinyl chloride resin composition that can provide a molded product having superior flexibility at low temperatures. The vinyl chloride resin composition includes (a) a vinyl chloride resin and (b) a dodecanedioic acid diester. Moreover, (a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %.

Claims

1. A vinyl chloride resin composition comprising:

(a) a vinyl chloride resin; and

(b) a dodecanedioic acid diester, wherein

(a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %.

2. The vinyl chloride resin composition of claim 1, wherein

an amount of (b) the dodecanedioic acid diester relative to 100 parts by mass of (a) the vinyl chloride resin is from 5 parts by mass to 200 parts by mass.

3. The vinyl chloride resin composition of claim 1, further comprising

(c) a trimellitic acid ester.

4. The vinyl chloride resin composition of claim 3, wherein

a total amount of (b) the dodecanedioic acid diester and (c) the trimellitic acid ester relative to 100 parts by mass of (a) the vinyl chloride resin is from 5 parts by mass to 200 parts by mass.

5. The vinyl chloride resin composition of claim 3, wherein

a blending ratio of (b) the dodecanedioic acid diester relative to (c) the trimellitic acid ester, expressed as a mass ratio, is from 1/99 to 99/1.

6. The vinyl chloride resin composition of claim 1, wherein

(x) the base vinyl chloride resin is vinyl chloride resin particles.

7. The vinyl chloride resin composition of claim 6 used in powder molding.

8. The vinyl chloride resin composition of claim 6 used in powder slush molding.

9. A vinyl chloride resin molded product obtainable through powder molding of the vinyl chloride resin composition of claim 6.

10. The vinyl chloride resin molded product of claim 9 used as a surface skin of an automobile instrument panel.

11. A laminate comprising:

a foamed polyurethane molded product; and

the vinyl chloride resin molded product of claim 9.