Process for the preparation of a material of composite structure

Details Process for the preparation of a material of composite structure Process for the preparation of a material of composite structure

1982-08-17

1984-08-07

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 5421, 525 543, 527100, 527102, 527103, 527311, 527313, 527314, 26433115, C08G 8300, C08H 504, C08J 324, B29F 100

Patent

active

044645104

ABSTRACT:
The invention relates to a process for the preparation of a material of composite structure containing a thermoplastic plastic and a fibrous polymer skeleton material, having a high modulus of torsional shear, good shockproofness and being processable by the formation technologies of thermoplastic plastics. According to the invention one proceeds in such a way that the fibrous polymer skeleton material is treated with a resin mixture consisting of an unsaturated polyester resin and a vinyl monomer in an amount of 1-80 percent by weight, related to the skeleton material.
The use of the polyester as adhesion-intermediator considerably improves the homogeneity of the material of composite structure, it makes the substance processable without pregranulation on an extruder with a broad slot or a calendrette, and leads to plates the shockproofness of which significantly exceeds that of plates prepared without such intermediator.

REFERENCES:
patent: 3485777 (1969-12-01), Gaylord
patent: 4026849 (1977-05-01), Bagley et al.
patent: 4359548 (1982-11-01), Blount
patent: 4374215 (1983-02-01), Atkins

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