SU430082A1 - FIBER FIBER TREATMENT METHOD - Google Patents

Description

one

This invention relates to methods for treating glass fibers with sizing agents.

A known method of treating glass fibers with a sizing-coupling agent is an aqueous emulsion of polyvinyl alcohol, sucrose, and lactic acid titanium.

However, fiberglass, produced by a known method, does not have sufficiently high physical and mechanical properties.

The purpose of the invention is to improve the physical and mechanical properties of glass fiber and products from it.

This is achieved by using a 5-9% aqueous solution of symmetric triazine as the sizing agent.

WITH

SNG CH-SNGY-CH2-CH Shch,

CO with

hhh

i

where R-CHa-SNGON;

-sng-9n-sn2;

OH OH

-Shg-CH-SNg i 0

s-triazine derivatives containing unsaturated bonds, hydroxy or epoxy groups are capable of polymerizing and copolymerizing with binders and forming strong and heat resistant polymers with high adhesion to various materials, including glass.

Monomeric s-triazine derivatives are substances that melt at

25-40 ° C, soluble or partially soluble in water. An aqueous solution or emulsion of these substances provides oiling of the glass fiber within the limits that are imposed on existing lubricants.

The preparation of a sizing agent based on s-triazine derivatives, applying it to the glass fiber and further processing of the oily glass fiber can be carried out according to standard technology and in industry accepted modes on existing equipment.

Example. The sizing agents based on s-triazine derivatives are prepared by dissolving in water heated to 50 ° C with vigorous stirring of one or several sizing substances in an amount up to 300 g per liter of solution. From water-insoluble sizing substances under the same conditions, a highly dispersed emulsion is prepared,

enter into the solution 1-3 g of emulsifier per liter of solution.

An initiator (benzoyl peroxide, isopropylbenzene peroxide, etc.) can be introduced into the sizing solution of up-solution in an amount of up to 0.01 g per liter of solution.

Based on sizing-finish agents 1-hydroxyethyl-3, 5-diallyl isocyanurate and 1-epoxypropyl-3, 5-diallylyl isocyanurate developed

fiberglass N ° 22-24 (% sizing agent - 1.5-2.1), from which glass, in 5, 10 and 60 additions, was obtained by grinding on tows. Fiberglass binder PN-1 and epoxy binder EFB-ZM and EPTEAT are used to prepare samples of glass plastics, the physical and mechanical properties of which are presented in the table.

Subject Invention

A method of treating fiberglass by applying a sizing agent, containing an organic compound and water, characterized in that, in order to increase CHCH-CH-OHf-N V SNGS-CH

where R-SNg-SNOOOI;

-CNg-CH-SNg

-SiZi-ONG

Physiomechanical properties of fiberglass and products made of it; a 5–9% aqueous solution of a symmetric triazine derivative of the general formula CO CO is used as a sizing agent;

, / - L OH HE