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Anti-dripping agent containing PTFE (polytetrafluoroethylene) and organic silicon and preparation method of anti-dripping agent

An anti-drip agent and silicone technology, applied in the field of polymer additives, can solve the problem of not having anti-drip properties, and achieve the effect of improving flame retardancy

Inactive Publication Date: 2019-02-12
铨盛聚碳科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, in addition to endowing the substrate with excellent flame-retardant properties, silicone can also improve the processing performance, mechanical properties, and heat resistance of the substrate. It is eco-friendly, and the recycling effect of flame-retardant materials is better. Strict requirements for flame retardants, but existing silicone flame retardants do not have anti-dripping properties

Method used

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  • Anti-dripping agent containing PTFE (polytetrafluoroethylene) and organic silicon and preparation method of anti-dripping agent
  • Anti-dripping agent containing PTFE (polytetrafluoroethylene) and organic silicon and preparation method of anti-dripping agent
  • Anti-dripping agent containing PTFE (polytetrafluoroethylene) and organic silicon and preparation method of anti-dripping agent

Examples

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Effect test

Embodiment 1

[0068] A preparation method of an anti-dripping agent containing PTFE and organic silicon, comprising the steps of:

[0069] A. Synthesis of organopolysiloxane core emulsion:

[0070] Mix the organosiloxane monomer evenly, add it to the aqueous solution dissolved with the catalyst and emulsifier, and react at 30°C for 10 hours to obtain the organopolysiloxane core emulsion; wherein, the total mass of the organosiloxane monomer 40% of the mass of water, the amount of the catalyst is 1% of the mass of the organosiloxane monomer, and the amount of the emulsifier is 1% of the mass of the organosiloxane monomer;

[0071] B. Preparation of anti-dripping agent containing PTFE and silicone:

[0072] B1. Add the organopolysiloxane core emulsion, PTFE emulsion, dispersant and distilled water together into the reactor, and stir at a high speed of 1000rpm for 25 minutes; wherein, the amount of the PTFE emulsion is the mass of the organopolysiloxane core emulsion 10%, the amount of dispe...

Embodiment 2

[0101] A preparation method of an anti-dripping agent containing PTFE and organic silicon, comprising the steps of:

[0102] A. Synthesis of organopolysiloxane core emulsion:

[0103] Mix the organosiloxane monomer evenly, add it to the aqueous solution in which the catalyst and emulsifier are dissolved, and react at a temperature of 40°C for 9 hours to obtain an organopolysiloxane core emulsion; wherein, the total mass of the organosiloxane monomer 45% of the water mass, the amount of the catalyst is 2% of the mass of the organosiloxane monomer, and the amount of the emulsifier is 5% of the mass of the organosiloxane monomer;

[0104] B. Preparation of anti-dripping agent containing PTFE and silicone:

[0105] B1. Add the organopolysiloxane core emulsion, PTFE emulsion, dispersant and distilled water together into the reactor, and stir at a high speed of 1200rpm for 10 minutes; wherein, the amount of the PTFE emulsion is the mass of the organopolysiloxane core emulsion 20% ...

Embodiment 3

[0132] A preparation method of an anti-dripping agent containing PTFE and organic silicon, comprising the steps of:

[0133] A. Synthesis of organopolysiloxane core emulsion:

[0134] Mix the organosiloxane monomer evenly, add it to the aqueous solution dissolved with the catalyst and emulsifier, and react at 50°C for 8 hours to obtain the organopolysiloxane core emulsion; wherein, the total mass of the organosiloxane monomer 50% of the mass of water, the amount of the catalyst is 3% of the mass of the organosiloxane monomer, and the amount of the emulsifier is 10% of the mass of the organosiloxane monomer;

[0135] B. Preparation of anti-dripping agent containing PTFE and silicone:

[0136] B1. Add the organopolysiloxane core emulsion, PTFE emulsion, dispersant and distilled water together into the reactor, and stir at a high speed of 1500 rpm for 15 minutes; wherein, the amount of the PTFE emulsion is the mass of the organopolysiloxane core emulsion 30%, the consumption of...

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Abstract

The invention relates to the technical field of macromolecule adjuvants, in particular to an anti-dripping agent containing PTFE (polytetrafluoroethylene) and organic silicon and a preparation methodof the anti-dripping agent. The preparation method comprises the following steps: synthesis of organopolysiloxane core emulsion and preparation of the anti-dripping agent containing the PTFE and the organic silicon. By adding coated monomers into the organopolysiloxane core emulsion and PTFE emulsion to perform polymerization, the anti-dripping agent prepared by the preparation method not only hasrelatively good flame resistance but also has excellent anti-dripping performance, and is simple in process and low in cost.

Description

technical field [0001] The invention relates to the technical field of polymer additives, in particular to an anti-dripping agent containing PTFE and organic silicon and a preparation method thereof. Background technique [0002] Due to the unique structure of silicone, it combines the properties of inorganic materials and organic materials. It has basic properties such as low surface tension, small viscosity-temperature coefficient, high compressibility, and high gas permeability. It also has high and low temperature resistance, electrical insulation, oxidation resistance and stability. It is widely used in aerospace, electrical and electronic, construction, transportation, chemical, textile, food, light industry, medical and other industries. [0003] In addition, in addition to endowing the substrate with excellent flame-retardant properties, silicone can also improve the processing performance, mechanical properties, and heat resistance of the substrate. It is eco-friend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F291/16C08F212/12C08F220/44C08F220/18C08F222/02C08F222/40C08G77/20C08G77/08C08L69/00C08L51/08C08L77/12C08K13/06C08K9/02C08K9/04C08K3/26C08K7/14
CPCC08F259/08C08F283/124C08G77/08C08G77/20C08G77/80C08K2003/265C08K2201/011C08L69/00C08L2201/02C08L2201/08C08L2205/035C08L51/08C08L51/003C08L77/12C08K13/06C08K9/02C08K9/08C08K3/26C08K7/14C08F220/1808
Inventor 王启瑶冯猛
Owner 铨盛聚碳科技股份有限公司
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