Mould release agents and method for the production of plastic moulding parts

Mould release agents and method for the production of plastic moulding parts

  • CN 1,596,178 B
  • Filed: 11/15/2002
  • Issued: 03/16/2011
  • Est. Priority Date: 11/28/2001
  • Status: Active Grant
First Claim
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1. contain the releasing agent at least a and compound that aromatic amine reacts,Wherein said compound is selected from following group, and described group comprises following material:

  • The inorganic acid derivative, described inorganic acid derivative is selected from the ester of dimethyl suflfate, dithyl sulfate, trimethyl phosphate and polyphosphoric acid;

    Organic acid derivatives, described organic acid derivatives is selected from organic acid esters, acid amides and carboxylic acid anhydrides;

    Carbonic acid derivative, described carbonic acid derivative is selected from general formula (R 1O) C (=O) (OR 2) carbonic ester, R wherein 1And/or R 2Represent aliphatic series, cyclic aliphatic, araliphatic or aromatic hydrocarbyl, they are also optional be side chain and/or replace and the cyclic ester of carbonic acid;

    Sulfur-containing compound, described sulfur-containing compound is selected from general formula R 1S (=O) 2(OR 2) the ester of sulfonic acid, R wherein 1And/or R 2Represent aliphatic series, cyclic aliphatic, araliphatic or aromatic hydrocarbyl, they are also optional be side chain and/or replace;

    Urea and/or its derivative, described urea are selected from has general formula (R 1R 2N) C (=O) (NR 3R 4) compound, R wherein 1, R 2, R 3And/or R 4Represent hydrogen or aliphatic series, cyclic aliphatic, araliphatic or aromatic hydrocarbyl, they are also optional be side chain and/or replace and the aliphatic series of carbonic acid, cyclic aliphatic, araliphatic or aramid, urethanes and ring-type urea;

    AndMacrocyclic compound, it is the organic ring compound of 200~

    3000g/mol for molecular weight, and is selected from cyclodextrin, Resocarene, cyclophane and/or ring calixarenes, they are all chosen wantonly in each case and exist with modified form.

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