Copolymers of Propargyl Methacrylate and Acrylate

Patent

Description

The copolymers disclosed herein are of propargyl acrylate and methacrylate. Polymerization of propargyl acrylate and methacrylate in free radical systems generally results in crosslinked or gelled products since the free radicals will activate polymerization through the acetylenic as well as through the acrylic unsaturation. Therefore the copolymers are advantageously prepared byanionic polymerization. The comonomers are those which are copolymerizable with acrylates and methacrylates inanionic polymerizations. The comonomers are styrene, its homologs and derivatives, and monounsaturated acrylates and methacrylates. The copolymers are particularly valuable for post-treatment and post-reactions, such as bromination, decaboronation, thermal and radical crosslinking, Mannich reaction with an aldehyde and ammonia or amono- or disubstituted amine, or reactions with nitrileoxides, aldehydes, ketones, epoxides, sodamide, etc, The copolymers can be tailored to give ultimate properties according to the type and the proportion of comonomers and the proportion of acetylenic groups as Well as the typeof postreactant or post-treatment.

Attributes

Attribute NameValues
Title
  • Copolymers of Propargyl Methacrylate and Acrylate

Patent Number
  • US 3639348 B2

USPTO Link
Inventor
  • Gaetano Francis D'Alelio

Inventor From Local Institution
  • Gaetano Frank D'Alelio

Other Application
  • 740,972

Claims
  • 9

Classification (US Patent)
  • 525/153; 149/19.91; 525/163; 525/192; 525/308; 525/329.5; 525/337; 525/356; 525/360; 525/367; 525/371; 525/377; 525/379; 525/383; 525/385; 525/387; 526/173; 526/260; 526/285; 528/481;

Cooperative Patent Classification codes
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International Patent Classification codes
  • C08F 8/00 (20060101); C08F 20/12 (20060101); C08F 20/00 (20060101)

Language
  • eng

Date Issued
  • 1972-02-01

Publisher
  • United States Patent and Trademark Office

Assignee
  • Geigy Chemical Corporation

Record Visibility and Access Public
Content License
Departments and Units
Member of

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Collections Featuring this Patent
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