Vinyl chloride resin composition and vinyl chloride resin molded article
US-2016333177-A1 · Nov 17, 2016 · US
Vinyl chloride resin compositions and shaped articles
US2022363883A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2022363883-A1 |
| Application number | US-202017757934-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 21, 2020 |
| Priority date | Dec 26, 2019 |
| Publication date | Nov 17, 2022 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A vinyl chloride resin composition includes a vinyl chloride resin (A), an acrylic block copolymer (B) including a polymer block (b1) containing acrylic acid ester units and a polymer block (b2) containing methacrylic acid ester units, and a gelation accelerator (C), where the weight average molecular weight of the acrylic block copolymer (B) is in the range of 100,000 to 250,000, the content of the polymer block (b2) in the acrylic block copolymer (B) is in the range of 10 to 25 mass %, and the vinyl chloride resin composition contains 20 to 150 parts by mass of the acrylic block copolymer (B) and 4 to 18 parts by mass of the gelation accelerator (C) with respect to 100 parts by mass of the vinyl chloride resin (A).
First claim
Opening claim text (preview).
1 . A vinyl chloride resin composition comprising a vinyl chloride resin (A), an acrylic block copolymer (B) comprising a polymer block (b1) including acrylic acid ester units and a polymer block (b2) including methacrylic acid ester units, and a gelation accelerator (C), wherein the weight average molecular weight of the acrylic block copolymer (B) is in the range of 100,000 to 250,000, the content of the polymer block (b2) in the acrylic block copolymer (B) is in the range of 10 to 25 mass %, and the vinyl chloride resin composition contains 20 to 150 parts by mass of the acrylic block copolymer (B) and 4 to 18 parts by mass of the gelation accelerator (C) with respect to 100 parts by mass of the vinyl chloride resin (A). 2 . The vinyl chloride resin composition according to claim 1 , wherein the acrylic block copolymer (B) is a triblock copolymer in which two of the polymer blocks (b2) are bonded to respective ends of the polymer block (b1). 3 . The vinyl chloride resin composition according to claim 1 , wherein the molecular weight distribution of the acrylic block copolymer (B) is in the range of 1.0 to 1.4. 4 . A shaped article comprising the vinyl chloride resin composition described in claim 1 .
Assignees
Inventors
Classifications
- C08L27/06Primary
Homopolymers or copolymers of vinyl chloride · CPC title
containing three or more polymers in a blend · CPC title
polymerising acrylic acid, methacrylic acid or derivatives thereof · CPC title
Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers · CPC title
using a catalyst of the anionic type · CPC title
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- What does patent US2022363883A1 cover?
- A vinyl chloride resin composition includes a vinyl chloride resin (A), an acrylic block copolymer (B) including a polymer block (b1) containing acrylic acid ester units and a polymer block (b2) containing methacrylic acid ester units, and a gelation accelerator (C), where the weight average molecular weight of the acrylic block copolymer (B) is in the range of 100,000 to 250,000, the content o…
- Who is the assignee on this patent?
- Kuraray Co
- What technology area does this patent fall under?
- Primary CPC classification C08L27/06. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Nov 17 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).