Hardenable resins based upon allyl compounds
AssigneeDynamit Nobel Aktiengesellschaft
InventorsNorbert Vollkommer, Werner Trautvetter
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Abstract
A cross-linked polymer having units of a residue of a chlorinated xylyleneglycolbisallylether, units of a residue of maleic acid anhydride and units of a residue of an epoxy compound; an improvement in a process for the preparation of a cross-linked hardenable resin wherein a composition comprising a chlorinated or brominated xylyleneglycolbisallylether and maleic acid anhydride is subjected to a preliminary setting process and thereafter cured wherein the composition contains an epoxy compound; shaped objects of the polymer especially when formed by the described process having good flame self-extinguishing properties and good thermal stability of shape.
Claims37
A cross-linked polymer having (in percent by weight):
- a. Between 22 and 76 units of a residue of a nuclearly brominated or chlorinated xylyleneglycolbisallylether;
- b. Between 11 and 54 units of a residue of maleic acid anhydride;
- c. Between 6 and 57 units of a residue of a 1,2 epoxy compound.
In a process for the preparation of a cross-linked hardenable resin wherein a composition comprising chlorinated or brominated xylyleneglycolbisallylether and maleic acid anhydride is subjected to a preliminary setting process and thereafter cured, the improvement which comprises including in said composition a 1,2-epoxy compound.
Dependencies are inferred from the claim text.