Polymethacrylimide foam plastic and preparation method thereof

Polymethacrylimide foam plastic and preparation method thereof

  • CN 106,632,831 A
  • Filed: 10/18/2016
  • Published: 05/10/2017
  • Est. Priority Date: 10/18/2016
  • Status: Active Application
First Claim
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1. a kind of poly- (methyl) acrylimide foamed plastics, it is characterised in that polymerization, foaming after being mixed by raw material is formed, instituteStating raw materials by weight portion meter includes:

  • Acrylonitrile 30-150 parts, methacrylic acid 20-150 parts, Third monomer 0.1-6 parts, nitrogen takesFor maleimide 0.1-15 parts, azo-initiator 0.04-4 parts, peroxide initiator 0.04-8 parts, crosslinking agent 0.05-6Part, foaming agent 0.8-25 parts, nucleator 0.2-5 parts, releasing agent 0.3-8 parts, auxiliary agent 0.2-6 parts, wherein, the Third monomer choosingAny one from acrylamide, Methacrylamide and itaconic acid, the nitrogen substituted maleimide amine is by formulaCompound group into, R selected from hydrogen, halogen, alkyl, phenyl, halogenophenyl and containing 1-6 carbonAny one in the straight chained alkyl of atom.

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