Flame-retardant nanometer master batch for polyester plastic

A nano flame retardant, polyester plastic technology, applied in the field of flame retardant masterbatch, can solve the problems of uneven dispersion of raw materials, dust pollution, insufficient toughness, etc., and achieve the effects of avoiding environmental pollution, good flame retardant performance, and convenient raw material procurement.

Inactive Publication Date: 2014-04-09
QINGDAO XINZHAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it has been found that polyester, especially PET and PBT, has disadvantages such as insufficient toughness and flammability, so it is usually necessary to carry out toughening and flame retardant modification
However, most of the additives such as tougheners and flame retardants currently used are powders

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A nano-flame-retardant masterbatch for polyester plastics, the components of which are proportioned by mass percentage: polyethylene terephthalate (PET) 12%, decabromodiphenylethane 50%, antimony trioxide 25%, nano-magnesium hydroxide 8%, magnesium stearate 0.3%, polyethylene wax 3%, silane coupling agent 1%, antioxidant 1010 0.7%, wherein, the particle diameter of described nano-magnesium hydroxide is in Between 20nm and 100nm.

[0023] Preparation method: (1), weigh each component according to the weight ratio and set aside; (2), add nano-magnesium hydroxide and magnesium stearate into a high-speed stirrer, and stir at a temperature of 80°C to 120°C for 10 ~30 minutes to fully activate the surface of nano-magnesium hydroxide, then cool to below 40°C, and discharge for use; (3), polyethylene terephthalate (PET), decabromodiphenylethane , antimony trioxide, polyethylene wax, silane coupling agent and antioxidant 1010 were added to a high-speed stirrer and stirred at a ...

Embodiment 2

[0025] A nano-flame-retardant masterbatch for polyester plastics, the components of which are: polybutylene terephthalate (PBT) 10%, decabromodiphenylethane 60%, antimony trioxide 20%, nano-magnesium hydroxide 6%, magnesium stearate 0.5%, polypropylene wax 2%, titanate coupling agent 1%, antioxidant 1010 and antioxidant 168 compound 0.5%, of which, The particle size of the nano-magnesium hydroxide is between 20nm and 100nm.

[0026] Preparation method: (1), weigh each component according to the weight ratio and set aside; (2), add nano-magnesium hydroxide and magnesium stearate into a high-speed stirrer, and stir at a temperature of 80°C to 120°C for 10 ~ 30 minutes to fully activate the surface of nano-magnesium hydroxide, then cool to below 40°C, and discharge for use; (3), polybutylene terephthalate (PBT), decabromodiphenylethane , antimony trioxide, polypropylene wax, titanate coupling agent, and the compound of antioxidant 1010 and antioxidant 168 were added to a high-sp...

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Abstract

The invention discloses a flame-retardant nanometer master batch for a polyester plastic. The flame-retardant nanometer master batch comprises, by mass, 10-15% of a carrier, 40-60% of decabromodiphenylethane, 20-30% of diantimony trioxide, 6-10% of nano-sized magnesium hydroxide, 0.1-0.5% of a surface conditioning agent, 2-4% of a dispersant, 1-2% of a coupling agent and 0.1-1% of an antioxidant. The addition of the activated and modified nano-sized magnesium hydroxide makes the prepared flame-retardant master batch have an excellent dispersibility and an improved flame retardation property, and the flame-retardant master batch increases the flame retardation property of the polyester plastic and also guarantees the wear resistance, the rigidity, the toughness, the ageing resistance and the like of the polyester plastic. The flame-retardant master batch produced by adopting a production method in the invention can substitute a powdery flame retardant, can be directly added to the polyester plastic, can be used for wire drawing, extrusion, injection molding, blow molding or fiber granulation, and has the advantages of production operation simplification, production cost saving, material performance improvement, avoiding of the environmental pollution, benefiting for the clean production and the like.

Description

technical field [0001] The invention relates to a flame retardant master batch, in particular to a nano flame retardant master batch for polyester plastics. Background technique [0002] High-molecular polymers are organic compounds with extremely large relative molecular mass and repeating structural units formed by covalently bonding thousands of atoms. It is widely used as a high-performance material in many fields. [0003] Polyesters, such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT), and polyethylene naphthalate (PEN), belong to a class of polymers It has excellent comprehensive performance and has been widely used in electronic appliances, automobile industry, mechanical equipment, packaging industry and so on. [0004] However, it has been found that polyesters, especially PET and PBT, have disadvantages such as insufficient toughness and flammability, so toughening and flame-retardant modification is usually required. However, most of the...

Claims

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Application Information

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IPC IPC(8): C08L67/00C08L67/02C08K13/06C08K9/04C08K3/22C08K5/03C08J3/22
Inventor 不公告发明人
Owner QINGDAO XINZHAN PLASTIC
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