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Phenolic resin type fiber finishing agent and preparation method thereof

A technology of fiber treatment agent and phenolic resin, which is applied in the field of fiber treatment agent and its preparation, can solve the problems such as poor effect of fiber treatment agent, and achieve the effect of improving interlayer shear strength and good bonding effect

Inactive Publication Date: 2009-07-29
HEILONGJIANG INST OF PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the current fiber treatment agent is not effective, and can only be effective for one or two types of fibers, and is ineffective for other types of fibers; the invention provides a phenolic resin type fiber treatment agent and Its preparation method, using the treatment can improve the interlaminar shear strength of various fiber reinforced composite materials

Method used

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  • Phenolic resin type fiber finishing agent and preparation method thereof
  • Phenolic resin type fiber finishing agent and preparation method thereof
  • Phenolic resin type fiber finishing agent and preparation method thereof

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specific Embodiment approach 1

[0006] Specific embodiment one: the phenolic resin type fiber treatment agent of the present embodiment is made up of phenolic resin and solvent; Wherein phenolic resin accounts for 15~30% of the total weight of phenolic resin type fiber treatment agent; Described phenolic resin by weight ratio It is made by polycondensation reaction of 100 parts of phenol, 100-120 parts of formaldehyde and 10-13 parts of composite catalyst; the composite catalyst is made of alkali metal oxide, diamine and dibasic acid according to the ratio of 0.1-0.5:0.8-1.2: The mole of 1 is made; Described solvent is the ethanol that purity is 95%.

[0007] The purity of raw materials in this embodiment is all industrial grade.

specific Embodiment approach 2

[0008] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the concentration of the phenolic resin is 18-24%. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0009] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the concentration of the phenolic resin is 20%. Others are the same as in the first embodiment.

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Abstract

A phenolic resin type fiber treatment agent and a preparation method thereof, which relate to a fiber treatment agent and a preparation method thereof. The invention solves the problem that the current fiber treating agent has poor effect and is only effective for one or two types of fibers, but not effective for other types of fibers. The product of the present invention is made up of 15~30% phenolic resin and 70~85% solvent; Diamine and dibasic acid are made according to the molar ratio of 0.1~0.5:0.8~1.2:1; the preparation method is as follows: 1. Stir and mix phenol and formaldehyde at room temperature; 2. Add composite catalyst, heat up and stir 1.5~3h; 3. Add ethanol after vacuum distillation. The product of the invention can significantly improve the interlayer shear strength of the composite material, has remarkable effects on various types of fibers, and can also be used as a composite material matrix resin and an adhesive.

Description

technical field [0001] The invention relates to a fiber treatment agent and a preparation method thereof. Background technique [0002] With the development of economy and technology, the application of composite materials is becoming more and more extensive. One of the most important technologies is how to improve the shear strength of the fiber-matrix interface. Surface treatment of fibers is one of the most important methods at present. There are many fiber surface treatment methods, among which the coating method is the most simple and practical. Such surface treatment agents are mainly organosilicon coupling agents, titanates, complexes, etc., which are coated on the fiber surface under certain conditions to improve the fiber surface. Interfacial shear strength of composite materials. However, after using these treatment agents, the interfacial strength of the composite material is not significantly improved, and some treatment agents even have no effect, and each type...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/41D06M101/30
Inventor 王超牛永安苏韬
Owner HEILONGJIANG INST OF PETROCHEM