Covalent modified carbon fiber reinforced polyurea composite material and preparation method thereof
The invention belongs to the field of chemical engineering, and particularly relates to a covalent modified carbon fiber reinforced polyurea composite material which comprises the following raw material components in parts by mass: 20-30 parts of a polyurea elastomer and 6-9 parts of an NCO-based ca...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
09.04.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The invention belongs to the field of chemical engineering, and particularly relates to a covalent modified carbon fiber reinforced polyurea composite material which comprises the following raw material components in parts by mass: 20-30 parts of a polyurea elastomer and 6-9 parts of an NCO-based carbon fiber material, the raw material components of the polyurea elastomer comprise a component A and a component B, the component A is prepared from the following components in parts by mass: 30 to 60 parts of diisocyanate, 10 to 30 parts of chain extender and 5 to 10 parts of catalyst; the component B comprises 30-60 parts of an amino-terminated compound, 10-30 parts of a chain extender and 5-10 parts of an auxiliary agent; the preparation method comprises the following steps: adding the NCO-based carbon fiber material into the component A to obtain a mixture A1, spraying and molding the component A1 and the component B by using a polyurea spray gun, and drying to obtain the covalent modified carbon fiber reinfor |
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Bibliography: | Application Number: CN202311599645 |