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INVENTION
Russian Federation Patent RU1506871
GLUE MASTIC AND METHOD FOR ITS PREPARATION

Name of applicant: Efremov NF .; Klyuev, etc .; Mochalov VG
Name of the inventor: Efremov NF .; Klyuev, etc .; Mochalov VG
The name of the patentee: Efremov NF .; Klyuev, etc .; Mochalov VG
Address for correspondence:
Starting date of the patent: 1986.10.04

DESCRIPTION OF THE INVENTION

1. Adhesive mastic based urethane rubber comprising adhesive Leikonat and an organic solvent, characterized in that, in order to increase the viability and decrease toxicity, the mastic contains, as the organic solvent - ethyl acetate and further - talc in the following ratio, wt.%:

2. A process for preparing an adhesive mastic based urethane rubber containing Leikonat adhesive and an organic solvent, comprising preparing a rubber solution, mixing it with glue Leikonat, characterized in that, in order to increase the viability and decrease the toxicity of mastic, used in ethyl acetate as an organic solvent, wherein the rubber is heated, heat in a quantity summing 120-280 kJ / kg milled with addition of heat in an amount of 1.6 kJ / kg and was swollen by treating it with ethyl acetate, sonicated for 0.03-0.08 h at a ratio of swelling time to the amount of swelling and dissolution times equal to 0.2-0.3, and the resulting solution is added with talc following component mastics, wt.%:

print version
Publication date 20.11.2006gg

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