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A kind of rubber and plastic flame retardant additive and rubber and plastic material containing it

A flame retardant additive, rubber and plastic technology, applied in the field of flame retardants, can solve the problems of uneven distribution of flame retardants, poor mechanical properties of materials, etc., achieve good smoke suppression performance and reduce costs

Active Publication Date: 2021-05-18
山东柯帷博伟耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing studies have proposed to synthesize nitrogen-based flame retardants in phosphoric acid solution or polyphosphoric acid to participate in the reaction to solve the problems of uneven distribution of flame retardants in rubber and plastic materials and poor mechanical properties of materials (melamine series flame retardants) Modification Research Progress, Chi Huachun, Guangzhou Chemical Industry, August 2015); Patent CN103224707A discloses a silicone resin modified phosphoric acid polyol ester melamine salt flame retardant and its preparation method and use. Phosphoric acid reaction to obtain phosphoric acid polyol ester; form a mixture of melamine and silicone resin containing curing catalyst; then feed the mixture of phosphoric acid polyol ester, melamine and silicone resin containing curing catalyst according to weight ratio, stir and mix evenly to obtain silicone resin Modified Phosphate Polyol Ester Melamine Salt Flame Retardant

Method used

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  • A kind of rubber and plastic flame retardant additive and rubber and plastic material containing it
  • A kind of rubber and plastic flame retardant additive and rubber and plastic material containing it
  • A kind of rubber and plastic flame retardant additive and rubber and plastic material containing it

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment proposes a rubber and plastic flame retardant additive, including the following components by mass:

[0033] 25 parts of melamine cyanurate (melamine cyanurate), 25 parts of dipolycyanamide, 50 parts of zinc aluminate, and 10 parts of chlorinated paraffin are added in proportion to the reaction kettle, heated while stirring until 125 degrees, and then Stir for 15 minutes and lower the temperature to 25 degrees.

[0034] This rubber and plastic flame retardant additive is environmentally friendly, contains less halogen, has good smoke suppression performance, has no black smoke when burning, and produces white mist when exposed to high temperature with open fire, and has excellent smoke suppression effect. The amount used in rubber and plastic materials is small, and the heat-resistant temperature of plastic samples made by adding this rubber and plastic flame retardant additive at 25% of polyurethane raw materials can reach 1000°C.

[0035] Chlorinated ...

Embodiment 2

[0037] The raw materials of the rubber and plastic flame retardant additive in this embodiment are: 34 parts of aluminum hypophosphite, 25 parts of melamine cyanurate, 34 parts of zinc aluminate, 6.5 parts of urea, and 1.5 parts of coupling agent kH550.

[0038] Preparation process: put aluminum hypophosphite, melamine urate, zinc aluminate, and urea in proportion to the stirring tank and stir for 30 minutes, heat up to 50 degrees while stirring, then add coupling agent KH550 and stir for 15 minutes .

[0039] The flame retardant additive for rubber and plastics is environmentally friendly, contains less halogen, and has mild preparation conditions; it has good smoke suppression performance, no black smoke when burning, and produces white mist when it encounters open fire at high temperature, and has excellent smoke suppression effect. The amount used in rubber and plastic materials is small, and the heat-resistant temperature of plastic samples made by adding this rubber and ...

Embodiment 3

[0041] The raw materials of the rubber and plastic flame retardant additive in this embodiment are: 45 parts of aluminum hypophosphite, 25 parts of melamine cyanurate, 23 parts of zinc aluminate, 6.5 parts of urea, and 1.5 parts of coupling agent kH550.

[0042] The preparation method is the same as in Example 2. The rubber and plastic flame retardant additive is environmentally friendly, contains less halogen, and has mild preparation conditions; the amount used in rubber and plastic materials is small, and the heat-resistant temperature of the plastic sample made by adding this rubber and plastic flame retardant additive at 25% of the polyurethane raw material can reach 1200 ℃. The smoke suppression performance is good, there is no black smoke when burning, and white mist is produced when encountering an open flame at high temperature, the smoke suppression effect is excellent, and there is no dripping. Softening and dripping phenomenon, self-formation of a carbonized layer...

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Abstract

The invention proposes a rubber and plastic flame retardant additive and a rubber and plastic material containing it. The rubber and plastic flame retardant additive includes the following components in parts by mass: 20-30 parts of melamine cyanurate, 50-68 parts of aluminum compound, synthesized 5-20 parts of additives, 1-3 parts of interface additives, 0-1 part of airgel. The rubber and plastic flame retardant proposed by the present invention is an efficient and environmentally friendly flame retardant with good flame retardant performance, releases nitrogen when dehydrated at 230-650 degrees, and is more resistant to high temperatures. Good smoke suppression performance, no black smoke when burning, and white mist when exposed to open flames at high temperatures. Pore-closed structure carbonized layer. Anti-corrosion, environmental protection and energy saving, non-toxic, tasteless, without any harmful gas.

Description

technical field [0001] The invention belongs to the field of compositions based on organic polymer materials, and in particular relates to a flame retardant and its application. Background technique [0002] Rubber and plastic materials are collectively referred to as plastics and rubber, both of which are polymer materials containing carbon chains. Therefore, rubber and plastic materials are generally not fire-resistant and flammable. In order to use rubber and plastic materials more safely and more widely, people have been working hard to improve the fire resistance of rubber and plastic materials. [0003] For flame retardants added to rubber and plastic materials, it is required that they have better compatibility with plastics or rubber, do not change the excellent properties of the original materials, are easy to process, have low toxicity, and do not produce toxic gases when burned. According to its main active ingredients, the existing flame retardants include bromi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/3492C08K3/22C08K3/32C08K5/315C08K5/21C08L91/06C08K5/544C08K5/5435C08K5/5425C08K7/26C08L75/04C08L23/06C08L27/06C08L25/06C08L83/04C08L9/00C08L11/00C08L23/16C08L23/22
CPCC08K3/22C08K3/32C08K5/21C08K5/3155C08K5/34928C08K5/5425C08K5/5435C08K5/544C08K7/26C08K2003/2227C08K2201/011C08L9/00C08L11/00C08L23/06C08L23/16C08L23/22C08L25/06C08L27/06C08L75/04C08L83/04C08L91/06C08L2201/02
Inventor 贺庄明
Owner 山东柯帷博伟耐火材料有限公司
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