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Flame-retardant substance with bisphenol S group, flame-retardant epoxy resin and flame-retardant composition

An epoxy resin and flame retardant technology, applied in the field of flame retardant substances, can solve problems such as disadvantage, unsuitable for high multi-layer, high reliability, high adhesive processing performance, etc., and achieve great economy and good flame retardancy. , the effect of good heat resistance

Active Publication Date: 2015-05-20
GUANGDONG GUANGSHAN NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] These copper clad laminates made of DOPO epoxy resin have good flame retardant properties, but there are many defects in adhesion, heat resistance, processability, etc., and are not suitable for manufacturing high-layer and high-reliability required by modern communications. , high adhesion, good processing performance, and due to high cost, it is not conducive to popularization in the field of consumer electronics and other civilian products that require low cost such as mobile phones

Method used

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  • Flame-retardant substance with bisphenol S group, flame-retardant epoxy resin and flame-retardant composition
  • Flame-retardant substance with bisphenol S group, flame-retardant epoxy resin and flame-retardant composition
  • Flame-retardant substance with bisphenol S group, flame-retardant epoxy resin and flame-retardant composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Put 173.83g (0.5mol) of hexachlorocyclotriphosphine cyanide, 150ml of acetone, 108.04g (2.0mol) of sodium methoxide and 550.0g (2.2mol) of bisphenol S into a three-port 1000ml glass reactor with stirring device, while stirring, While blowing nitrogen gas, the temperature was raised to 52°C, 400g of 20% sodium hydroxide solution was added dropwise over 80 minutes, and the temperature was kept at 52°C, and the reaction was stirred for 15 hours. After the reaction, use physical methods to remove the water in the system, then filter to remove the insoluble substances in the system, distill off the solvent in the system, and obtain 716.5g of flame retardants, and the measured phenolic equivalent is 210.7g / eq, which is used to generate The object is named A.

[0042] Put 374g of liquid bisphenol A epoxy resin with an epoxy equivalent of 187g / eq, 52g of the above-mentioned substance A, and 0.1g of triphenylphosphine into a three-port 500ml glass reactor with a stirring device,...

Embodiment 2

[0046] Put 180g of dichloroethane, 104.11g (0.5mol) of phosphorus pentachloride, 26.75g (0.5mol) of ammonium chloride and 20g of magnesium chloride into a three-port 2000ml glass reactor with a stirring device. Heat up to 52°C while stirring and blowing nitrogen, and react at 52°C for 6 hours, then add 108.04g (2.0mol) of sodium methoxide and 550.0g (2.2mol) of bisphenol S to continue the reaction for 15 hours , Add 250g of solvent, remove insoluble matter by filtration, and then evaporate the solvent to obtain 716.2g of flame retardant, and its phenolic equivalent is 210.9g / eq.

[0047] Put 374g of liquid bisphenol A type epoxy resin with an epoxy equivalent of 187g / eq, 50g of the above-mentioned substance B and 0.1g of triphenylphosphine into a three-port 500ml glass reactor with a stirring device, heat up to 100°C, and react for 9.5 Hour, obtain epoxy equivalent and be the object epoxy resin 426g of 231.3g / eq, this object is named as D.

[0048] Take 100g of the solution o...

Embodiment 3

[0050] Use market epoxy equivalent is 230g / eq, the bisphenol S type epoxy resin 100g of circulation in the market, add A material 71.8g as described in embodiment 1, after adding appropriate amount of acetone to dissolve, then add 0.08g of 2- Methylimidazole is made into a solution, and then a standard copper-clad laminate sample that meets national standards, UL and other standards is prepared according to the general copper-clad laminate production procedure, named c-clad laminate, and the performance of c-clad laminate is tested. The results are shown in Table-1 .

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Abstract

The invention discloses a flame-retardant substance with a bisphenol S group, flame-retardant epoxy resin and a flame-retardant composition. A molecular structure of the flame-retardant substance with the bisphenol S group contains the bisphenol S group and a group (M) with a phosphorous-nitrogen framework composed of unsaturated phosphorous and nitrogen atoms, wherein the bisphenol S group is connected with the group (M); and the group with the phosphorous-nitrogen framework contains at least 50wt% of a group (M1) with a cyclic phosphorous-nitrogen framework composed of three phosphorus and nitrogen atoms, at most 30wt% of a group (M2) with a chain-like phosphorous-nitrogen framework composed of at most two phosphorus and nitrogen atoms and at most 45wt% of a group (M3) with a cyclic phosphorous-nitrogen framework composed of at least four phosphorus and nitrogen atoms, so that the flame-retardant substance has favorable flame retardance, a solid substance of the flame-retardant substance has favorable heat resistance, water resistance, cohesiveness, mechanical performance and electric performance, and the flame-retardant substance is relatively high in economic efficiency and environment friendliness.

Description

technical field [0001] The invention relates to the technical field of flame-retardant substances, in particular to a flame-retardant substance with a bisphenol S base, a flame-retardant epoxy resin and a flame-retardant composition. Background technique [0002] Electronic products represented by mobile phones, computers, cameras, and electronic game consoles, household and office electrical products represented by air conditioners, refrigerators, TV images, audio products, etc., and various products used in other fields, for the sake of safety, a large part All products are required to have different degrees of flame retardancy. [0003] In order to make the product meet the required flame retardant properties or grades, traditional technologies often use inorganic flame retardants such as aluminum hydroxide hydrate, magnesium hydroxide hydrate and other metal hydroxides containing crystal water to the material system. Substances, and adding to the system materials such a...

Claims

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Application Information

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IPC IPC(8): C08G59/62C08L63/00
Inventor 潘庆崇
Owner GUANGDONG GUANGSHAN NEW MATERIALS CO LTD