EP0202636A2
Expired / Lapsed
EP
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A method for the preparation of shaped articles of a vinyl cloride-based resin having improved surface properties
Assignee: Shin-Etsu Chemical Co Ltd
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Filing: 1986-05-16
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Granted: —
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Expires: 2006-05-16
Abstract
Abstract A vinyl chloride-based resin is compounded with a reaction product of a hydroxy-containing (meth)acrylic compound, e.g. 1-3-dimethacryloxy-2-hydroxy propane, and an isocyanate compound, e.g. diphenylmethane diisocyanate, and the resin composition is shaped into an article which is then subjected to a low temperature plasma treatment. The thus obtained shaped article is imparted with remarkably improved surface properties such as decrease in the phenomenon of plasticizer bleeding and the effect is very durable even after prolonged outdoor exposure of the article.
Inventors
- 👤 Susumu Shin-Etsu Kagaku Kogyo Ueno
- 👤 Koichi Shin-Etsu Kagaku Kogyo Kuroda
- 👤 Shigehiro Hoshida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 07:28
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/005; C; C08; C08K; C08K5/00; C08K5/16; C08K5/205; B29C59/14; B29K; B29K2027/00; B29K2027/06
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
114 words
A method for the preparation of a shaped article of a vinyl chloride-based resin composition which comprises the steps of: (a) compounding (A) 100 parts by weight of a vinyl chloride-based resin with (B) from 0.3 to 30 parts by weight of a reaction product of an acrylic or methacrylic compound having at least one hydroxy group in a molecule and an isocyanate compound to give a vinyl chloride-based resin composition; (b) shaping the vinyl chloride-based resin composition into an article; and (c) subjecting the shaped article to a treatment of exposure to an atmosphere of low temperature plasma of an inorganic gas under a pressure in the range from 0.001 to 10 Torr.
Claim 2
Independent Claim
114 words
A method for the preparation of a shaped article of a vinyl chloride-based resin composition which comprises the steps of: (a) compounding (A) 100 parts by weight of a vinyl chloride-based resin with (B) from 0.3 to 30 parts by weight of a reaction product of an acrylic or methacrylic compound having at least one hydroxy group in a molecule and an isocyanate compound to give a vinyl chloride-based resin composition; (b) shaping the vinyl chloride-based resin composition into an article; and (c) subjecting the shaped article to a treatment of exposure to an atmosphere of low temperature plasma of an inorganic gas under a pressure in the range from 0.001 to 10 Torr.
Claim 3
Dependent Claim
28 words
The method as claimed in claim 1 wherein the acrylic or methacrylic compound is selected from the group consisting of 1-acryloxy-2-hydroxy-3-methacryloxy propane, 1,3-dimeth- acryloxy-2-hydroxy propane and 2-hydroxy-3-chloropropyl methacrylate.
Claim 4
Dependent Claim
42 words
The method as claimed in claim 1 wherein the isocyanate compound is selected from the group consisting of 4,4'-diphenylmethane diisocyanate, hexamethylene diisocyanate, 1,3-xylylene diisocyanate, tridene diisocyanates, dianisi-dine diisocyanates, tolylene diisocyanates, trans-vinylene diisocyanate, polymethylene polyphenyl isocyanates, triphenylmethane triisocyanates, phenyl isocyanate and propyl isocyanate.
Claim 5
Dependent Claim
32 words
The method as claimed in claim 1 wherein the acrylic or methacrylic compound having at least one hydroxy group in a molecule is 1,3-dimethacryloxy-2-hydroxy propane and the isocyanate compound is diphenylmethane diisocyanate.
References Cited (Backward Citations)
No citation records indexed.
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