Environmental-friendly harmless high-flame-retardant polymer material for plugging water and reinforcing coal and rock masses in coal mines and preparation method thereof
The invention belongs to the technical field of polyurethane materials, and provides an environment-friendly harmless high-flame-retardant polymer material for plugging water and reinforcing coal androck masses in coal mines and a preparation method thereof in order to solve the problems of reduced...
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Main Authors | , , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
10.01.2020
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Subjects | |
Online Access | Get full text |
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Summary: | The invention belongs to the technical field of polyurethane materials, and provides an environment-friendly harmless high-flame-retardant polymer material for plugging water and reinforcing coal androck masses in coal mines and a preparation method thereof in order to solve the problems of reduced flame retardancy and environmental pollution caused by migration of flame retardant elements of thepolymer material for coal mine reinforcement. The environment-friendly harmless high-flame-retardant polymer material is prepared by mixing two components of a main agent and a curing agent, whereinthe main agent is prepared by mixing phenolic phosphate polyol, polyether polyol, polyester polyol, a surfactant and a catalyst according to a certain weight ratio; and the curing agent is any one ora mixture of two of polymethylene polyphenyl isocyanate, diphenylmethane diisocyanate and toluene diisocyanate. The environment-friendly harmless high-flame-retardant polymer material does not containany plasticizer; due to the |
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Bibliography: | Application Number: CN201910829844 |