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Cross-linking agent

A technology of cross-linking agent and clay, which is applied in the field of cross-linking agent, can solve the problems of non-compliance, poor dimensional stability of the substrate, poor dimensional stability, etc., and achieve the effect of improving the effect and the best dimensional stability

Inactive Publication Date: 2016-11-09
郑国梁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the epoxy resin itself has poor dimensional stability, which leads to poor dimensional stability of the formed substrate and does not meet the industry's requirements for printed circuit boards. Therefore, it is necessary to use a crosslinking agent to improve the dimensional stability of the substrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] [Example 1] Cross-linking agent

[0046] After adding 35 g of N,N-dimethylacetamide to a reaction tank, add 100 g (0.2 mol) of polycarbonate polyol (UH-50 manufactured by Ube Industries, Ltd), weight Average molecular weight 500), 38.4 grams (0.15 moles) of 4,4-dicyclohexylmethane diisocyanate, 0.06 grams of tetrabutyltin, and 20 grams of clay (C34-M30 made in China Glaze), at 85 ± The polymerization reaction was carried out at 5° C. for 4 hours to complete the reaction of 4,4-dicyclohexylmethane diisocyanate to obtain a clay-polyurethane having at least two hydroxyl groups (weight average molecular weight: 2,000). Then, 320 grams of N,N-dimethylacetamide and 30.7 grams (0.12 moles) of 4,4-dicyclohexylmethane diisocyanate were added to the reaction tank, and the polymerization reaction was carried out at 60±5°C for 1 hour. A clay-polyurethane having isocyanate groups is obtained. Next, at the temperature of the reaction tank at 50±5°C, a total amount of 2.4 grams (0.0...

Embodiment 2 to 5

[0047] [Example 2 to 5] Cross-linking agent

[0048] The crosslinking agents of Examples 2 to 5 were prepared in the same process as that of Example 1, the difference being that according to Table 1, the amount of each raw material was changed.

Embodiment 6

[0049] [Example 6] Cross-linking agent

[0050] After adding 35 g of N,N-dimethylacetamide to the reaction tank, add 100 g (0.2 mol) of polycarbonate polyol (UH-50 manufactured by Ube Industries, Ltd), weight average Molecular weight 500), 38.4 grams (0.15 moles) of 4,4-dicyclohexylmethane diisocyanate, 0.06 grams of tetrabutyltin, and 20 grams of clay with dihydroxyl groups (C34-M30 made by China Glaze), at 85 ± 5 The polymerization reaction was carried out at °C for 4 hours to complete the reaction of 4,4-dicyclohexylmethane diisocyanate to obtain clay-polyurethane (weight average molecular weight: 2000) with at least two hydroxyl groups. Then, 320 grams of N,N-dimethylacetamide and 30.7 grams (0.12 moles) of 4,4-dicyclohexylmethane diisocyanate were added to the reaction tank, and the polymerization reaction was carried out at 60±5°C for 1 hour to obtain The clay-polyurethane with isocyanate group of 544.16 grams is the crosslinking agent of embodiment 6.

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Abstract

The invention discloses a cross-linking agent which includes a polymer having an amino group which is obtained by first conducting polymerization reaction on a first component which includes a clay-polyurethane having an isocyanate group and a diamines compound. The clay-polyurethane having an isocyanate group is obtained by conducting second polymerization reaction on a second component which is obtained by a clay-polyurethane which has a weight-average molecular weight under 2000 and at least a dyhydroxy and also has a first polyisocyanates compound. The clay-polyurethane having at least a dyhydroxy is obtained by conducting third polymerization reaction on a third component which has a clay having a dyhydroxy and a polyatomic compound having a molecular weight under 700 and a second polyisocyanates compound having a molecular weight under 300. According to the invention, the cross-linking agent has better size statbility.

Description

technical field [0001] The present invention relates to a cross-linking agent, in particular to a cross-linking agent comprising a polymer having an amino group, and to a cross-linking agent comprising a clay-polyurethane having an isocyanate group. Background technique [0002] Epoxy resins are widely used. Products formed by cross-linking reactions between different types of epoxy resins and cross-linking agents can be used in various fields, and cross-linking agents can also determine the products formed by cross-linking reactions. properties, such as: mechanical, acid and alkali resistance or impact resistance, etc. [0003] For example: the substrate used in the printed circuit board (Printed wire board) is made by reacting epoxy resin and cross-linking agent. However, the epoxy resin itself has poor dimensional stability, which leads to poor dimensional stability of the formed substrate and does not meet the requirements of the industry for printed circuit boards. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/75C08G18/66C08G18/44C08G18/38C08G18/32C08G59/50C08G18/78
CPCC08G18/3234C08G18/3895C08G18/44C08G18/6633C08G18/758C08G18/7843C08G59/504
Inventor 郑国樑
Owner 郑国梁