Vinyl chloride resin composition, vinyl chloride resin molded product, and laminate

• US 10,640,625 B2
• Filed: 03/10/2015
• Issued: 05/05/2020
• Est. Priority Date: 03/19/2014
• Status: Active Grant

• Current Assignee: ZEON Corporation
• Original Assignee: ZEON Corporation
• Inventors: Fujiwara, Takanori
• Primary Examiner(s): Vo, Hai
• Application Number:
  US15/119,538
• Publication Number:
  US 20170009055A1
• Time in Patent Office: 1,883 Days
• 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,

(b) a dodecanedioic acid diester; and

(C) a trimellitic acid ester, 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,

a blending ratio of (b) the dodecanedioic acid diester relative to (c) the trimellitic acid ester, expressed as a mass ratio, is from 50/50 to 99/1,

(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 having an average particle diameter of at least 0.1 pm and no greater than 10 pm in an amount of from 0 mass % to 30 mass %, and

wherein the vinyl chloride resin composition is free of a sebacate.

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

(x) the base vinyl chloride resin is vinyl chloride resin particles having an average particle diameter of at least 50 μ

m and no greater than 500 μ

m.

3. The vinyl chloride resin composition of claim 2 used in powder molding.

4. The vinyl chloride resin composition of claim 2 used in powder slush molding.

5. A vinyl chloride resin molded product obtainable through powder molding of the vinyl chloride resin composition of claim 2.

6. The vinyl chloride resin molded product of claim 5 used as a surface skin of an automobile instrument panel.

7. A laminate comprising:

a foamed polyurethane molded product; and

the vinyl chloride resin molded product of claim 5.