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Flame-retardant master batch and preparation method thereof

A technology of flame retardant masterbatch and flame retardant synergist, used in the field of flame retardant materials, can solve the problems of small molecular weight, low heat resistance, high volatility, etc., to speed up the rupture, shorten the contact time, and improve the resistance. burning effect

Inactive Publication Date: 2020-08-25
厦门毅兴行塑胶原料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, most of the phosphate esters in the above method are liquid, and because of their small molecular weight, high volatility, and low heat resistance, they easily affect the flame retardant effect and flame retardant durability of the flame retardant masterbatch.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiment 1: a kind of preparation method of flame retardant masterbatch, comprises the following steps:

[0048] S1, preparation of microcapsule flame retardant synergist;

[0049] S11. Weigh β-cyclodextrin and antimony trioxide, wherein the weight-number ratio of antimony trioxide and β-cyclodextrin is 1:4;

[0050] S12. Dissolving β-cyclodextrin in water and stirring evenly to form an embedding solution, wherein the weight-number ratio of β-cyclodextrin to water is 1:5;

[0051] S13. Add antimony trioxide into the embedding solution, and stir evenly under the conditions of 33° C. and 10,000 r / min to obtain a microcapsule flame retardant synergist solution;

[0052] S14. The microcapsule flame retardant synergist solution is sprayed and condensed to granulate through a centrifugal spray tower to prepare the microcapsule flame retardant synergist;

[0053] S2, drying 100 parts of polypropylene at 80° C. for 3 hours to obtain dried polypropylene;

[0054] S3, mix 0....

Embodiment 2

[0056] Embodiment 2: a kind of preparation method of flame retardant masterbatch, comprises the following steps:

[0057] S1, preparation of microcapsule flame retardant synergist;

[0058] S11. Weigh β-cyclodextrin and antimony trioxide, wherein the weight-number ratio of antimony trioxide and β-cyclodextrin is 1:5;

[0059] S12. Dissolving β-cyclodextrin in water and stirring evenly to form an embedding solution, wherein the weight-number ratio of β-cyclodextrin to water is 1:6;

[0060] S13. Add antimony trioxide into the embedding solution, and stir evenly under the conditions of 33° C. and 10,000 r / min to obtain a microcapsule flame retardant synergist solution;

[0061] S14. The microcapsule flame retardant synergist solution is sprayed and condensed to granulate through a centrifugal spray tower to prepare the microcapsule flame retardant synergist;

[0062] S2. Drying 110 parts of polypropylene at 80° C. for 3 hours to obtain dried polypropylene;

[0063] S3, 1.5 pa...

Embodiment 3

[0065] Embodiment 3: a kind of preparation method of flame retardant masterbatch, comprises the following steps:

[0066] S1, preparation of microcapsule flame retardant synergist;

[0067] S11. Weigh β-cyclodextrin and antimony trioxide, wherein the weight-number ratio of antimony trioxide and β-cyclodextrin is 1:6;

[0068] S12. Dissolving β-cyclodextrin in water and stirring evenly to form an embedding solution, wherein the weight-number ratio of β-cyclodextrin to water is 1:7;

[0069] S13. Add antimony trioxide into the embedding solution, and stir evenly under the conditions of 33° C. and 10,000 r / min to obtain a microcapsule flame retardant synergist solution;

[0070] S14. The microcapsule flame retardant synergist solution is sprayed and condensed to granulate through a centrifugal spray tower to prepare the microcapsule flame retardant synergist;

[0071] S2, drying 120 parts of polypropylene at 80° C. for 3 hours to obtain dried polypropylene;

[0072] S3, 3 part...

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Abstract

The invention discloses a flame-retardant master batch and a preparation method thereof, and relates to a flame-retardant material. The flame-retardant master batch is characterized by comprising thefollowing components in parts by weight: 100-120 parts of a carrier, 60-130 parts of a halogen-based flame retardant, 150-300 parts of a microcapsule flame-retardant synergist, 0.1-3 parts of an antioxidant, and 3-5 parts of a lubricant. The microcapsule flame-retardant synergist comprises a core material and a wall material, wherein the weight part ratio of the core material to the wall materialis 1: (4-6). The core material is one or a mixture of more of antimony trioxide, antimony pentoxide and sodium antimonate and can improve the durability of the flame-retardant master batch, and the microcapsule flame-retardant synergist can be uniformly dispersed in the carrier in the production process, so that the flame-retardant effect of the flame-retardant master batch is improved.

Description

technical field [0001] The present invention relates to a flame retardant material, more specifically, it relates to a flame retardant masterbatch and a preparation method thereof. Background technique [0002] With the advancement of science and technology and the improvement of people's living standards, polymer materials, especially synthetic polymers: such as plastics and rubber, are becoming more and more important in people's lives, and their applications are showing a growing trend year by year. However, most organic polymer materials have different degrees of flammability in the air. In order to realize their applications in many industries such as military, aerospace, transportation, electric power and civil use, their flame retardant modification has become a new topic. [0003] At present, the ideal method of flame retardant modification of plastics is often to improve the fire resistance of plastics by adding products such as flame retardants or flame retardant m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06C08L5/16C08L63/00C08L25/06C08L25/18C08L69/00C08K13/06C08K9/10C08K3/22C08K3/24C08K3/26C08K5/3492B01J13/04C08J3/22
CPCC08J3/226B01J13/043C08J2323/12C08J2323/06C08J2405/16C08J2463/00C08J2425/06C08J2425/18C08J2469/00C08K13/06C08K9/10C08K3/2279C08K3/24C08K3/26C08K5/3492C08K2201/014
Inventor 陈鸿景
Owner 厦门毅兴行塑胶原料有限公司