SU958448A1 - Polymeric composition - Google Patents

Description

(54) POLYMER COMPOSITION

one

The invention also relates to the preparation of polymer 1 compositions that can be used in the manufacture of Lenin molded products, coatings of bulky plastics, adhesives, etc.

The polymer composition is known, including the epoxyurethane compound glycidyl or p-methylglycidilurethane and hardener I.

The disadvantage of this comic is low strength properties.

Closest to the present invention is a polymer composition comprising an epoxyurethane compound based on bisphenol A toluene diisocyanate and glycidol, maleic andigrid, styrene and glycidol 2.

The disadvantages of the known composition are low strength indices and heat resistance.

The purpose of the invention is to increase the strength properties and heat resistance.

This goal is achieved by the fact that a polymer composition, including an epoxyurethane compound, styrene and maleic anhydride, contains an interaction product as an epoxyurethane compound.

In 2,4 (2,6) -toluylene diisocyanate and tet; rahidrob from silt alcohol of the formula

sn.

, .Q.CH, o-crr r o

n o

OK

and additionally 1-glycidioxymethyl-3, 4-epoxycyclohexane in the following ratio of components, parts by weight:

Epoxyurethane

connection 90-110

1-Glycidyloxime

Tyl-3,4-zpoxycyc10-30

leheksan 20-40

Styrene

Maleic

50-65 anhydride

The indicated zpoxyurethane compound (EUS) is a white crystalline substance with T, 112-113 s, the content of zpoxy groups is 19.4.

1-Glycidyloxymethyl-3, 4-epoxycyclohexane is commercially available under the trademark UE-656.

Polymer compositions are prepared as follows.

The calculated amounts of the components are mixed in a reactor equipped with a mechanical stirrer at 65-70 ° C. The thoroughly mixed composition is poured into hot metal formles coated with release agent and cured in the following mode: 90 ° C - 2 h, 120 ° C - 2 h , 180 ° С - 20 h.

The table shows the compositions and properties of polymers

based on them. The dependence of the properties of polymers on the ratio of the components, is demonstrated by examples 16 of the table. but

EUS - the composition described in the prototype. As can be seen from the table, the resulting 1G position has a greater heat resistance (2 times} and improved strength properties.

900-1100 EUS-9O Styrene-2O UE 656-10 MA-50 EUS-100 900-1200 Styrene-30 UE-656-20 MA-55 EUS-110 900-1150 Styrol-40 up-656-30 MA-65 EUS-9O 850-1100 Styrene-40 UP-656-10 MA-BO 900-1150 EUS-100 Styrene-30 UP-656-30 MA-65 EUS-70 750-900 4.5 Styrene 30 ML-40 (control) EUS-100720 5.05, 05, 25, 05, 0-6, 8 210-215 -7.5 210-220 -6.7 210-215 6.9 200-210 6.9 205-210 5.5 205-210

Claims (2)

1. The patent of Switzerland 550783, cl. From 08 Q 30/10, published 1974. 2. The patent of Germany 1947873, cl; 39 in 530/12, published. 1974 (prototype).