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CN101440210A - Environment-protecting flame-retardant composite filling reinforced nylon 6 resin composition - Google Patents

Environment-protecting flame-retardant composite filling reinforced nylon 6 resin composition Download PDF

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Publication number
CN101440210A
CN101440210A CNA2007101705584A CN200710170558A CN101440210A CN 101440210 A CN101440210 A CN 101440210A CN A2007101705584 A CNA2007101705584 A CN A2007101705584A CN 200710170558 A CN200710170558 A CN 200710170558A CN 101440210 A CN101440210 A CN 101440210A
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CN
China
Prior art keywords
environment
flame
retardant
reinforced nylon
retardant composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007101705584A
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Chinese (zh)
Inventor
项军
宋董强
柴振东
王永和
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Shanghai Rizhisheng New Technology Development Co Ltd
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Shanghai Rizhisheng New Technology Development Co Ltd
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Application filed by Shanghai Rizhisheng New Technology Development Co Ltd filed Critical Shanghai Rizhisheng New Technology Development Co Ltd
Priority to CNA2007101705584A priority Critical patent/CN101440210A/en
Publication of CN101440210A publication Critical patent/CN101440210A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an environment-friendly and flame-retardant composite packing reinforced nylon 6 resin composition, which consists of a mixture. The environment-friendly and flame-retardant composite packing reinforced nylon 6 resin composition comprises the following compositions by weight percentage: 40 to 67 percent of nylon 6, 12 to 25 percent of red phosphorus master batch, 1 to 10 percent of compatilizer, 10 to 20 percent of glass fibers, 10 to 20 percent of talc powder, 0.1 to 1 percent of antioxidant and 0.1 to 1 percent of lubricant. The flame-retardant polyamide composition has high-efficiency flame retardant property, simultaneously greatly improves the rigidity and the heat resistance of the nylon 6 and has good dimensional stability, belongs to an environment-friendly product, and is suitable for injection molding of various electronic and electric appliances and electrical household products with environment-friendly and flame-retardant requirements, and the flame retardant rating of the flame-retardant polyamide composition can reach V0 rating of the UL94 standard.

Description

A kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations
Technical field
The present invention relates to a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations, relate in particular to and a kind ofly be applicable to that injection moulding has the engineering materials goods of high electric insulation performance requriements and fire-retardant enhancing requirement, be suitable for the polyamide modified material of low-voltage vacuum contactor, isolating switch, low-tension switch, the electric element of thin-walled etc., belong to the modified polyamide technical field.
Technical background
Nylon 6 has good physics, mechanical property, tensile strength height for example, excellent in abrasion resistance, shock resistance is good, chemical-resistant resistance and oil-proofness are outstanding, are most widely used kinds in the five large-engineering plastics, are widely used in various electronic electric equipments and household appliances.Because the present used fire retardant nearly 80% of fire-retardant Nylon 6 is a halogen containing flame-retardant, be that brominated flame-retardant efficient height, the consumption of representative is few particularly with polybromodiphenyl ether and polybrominated biphenyl material, performance impact to material is little, and it is moderate, its usefulness/price can be equal to than non-other fire retardants, so 70%~80% all uses this based flame retardant in China's electric series products for export.But bromide fire retardant is subjected to the puzzlement of dioxin problem in recent years, use its (bromo-antimony system) fire-retardant macromolecular material the time can generate a large amount of flue dust and corrosive gases simultaneously, at present European Union and Japan this based flame retardant of use of putting into effect in succession that it is forbidden by decree in thermo-cracking and burning.European Union has risen on July 1st, 2006 and has implemented in full the ROHS instruction, and the electronic and electrical equipment that this decree requires to throw in European Union must not contain poly-dibromodiphenyl ether, poly-bromo biphenyl, and this decree has seriously restricted the outlet of China's electronic and electrical equipment.
Summary of the invention
The object of the present invention is to provide a kind of environment-friendly high-efficiency flame retardant properties that has, satisfy a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations of ROHS command request simultaneously.
For realizing above purpose, technical scheme of the present invention provides a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations, it is characterized in that, is mixed by following raw materials by weight percent and forms:
Nylon 6 40-67%,
Red phosphorus master batch 12-25%,
Compatilizer 1-10%,
Glass fibre 920%,
Talcum powder 920%,
Oxidation inhibitor 0.1-1%,
Lubricant 0.1-1%.
Wherein the relative viscosity of nylon 6 slice is 2.4-3.8PaS; The red phosphorus master batch is that polyamide resin is a matrix, and red phosphorus content is the master batch of 30-65%; Compatilizer is the oligopolymer of the graft polymerization of polypropylene grafted unsaturated acid or acid anhydrides, is PP-g-MAH, and its melting index is 40-150g/10min, and percentage of grafting is 0.5-1%; Glass fibre is an alkali free glass fibre, and handle through silane coupling agent on its surface; Oxidation inhibitor is suffocated amine antioxidant, is 1098, or composite with phosphite ester kind antioxidant, is 1098/168 of proportioning 1:1; Lubricant is MB-4.
Preparation technology of the present invention is:
The first step. weigh raw material by weight percentage;
Second step. remove glass fibre, other raw materials were put into high-speed mixer and mixing 2-5 minute;
The 3rd step. discharging;
The 4th step. raw materials mixed is added glass fibre screw rod machine extruding pelletization, and the rotating speed of screw rod machine is 180-600 rev/min, and temperature is 230-260 ℃.
In combustion processes, not producing poisonous, obnoxious flavour with the fire-retardant polymeric amide of red phosphorus, is a class environmental-protection flame-retardant material, and the red phosphorus Flameproof polyamide can also farthest keep the electrical insulation capability of material.
Glass fibre and talcous adding can improve the resultant force of polymeric amide significantly, make material can reach the engineering level and use, and can also reduce cost.The adding of compatilizer can improve the adhesive capacity of polymkeric substance and red phosphorus master batch and talcum powder and glass fibre, and making respectively is on good terms obtains better dispersion effect, and performance is synergy better.
Oxidation inhibitor makes nylon 6 have good processing stability in the course of processing, avoids color and luster, performance to change.
Advantage of the present invention is to adopt the environment friendly halogen-free fireproof agent, has abandoned traditional bromo-antimony flame-retardant system, has excellent flame-retardant, does not endanger environment and health of human body, belongs to environmentfriendly products.
Specific embodiments
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1 and 2: with nylon 6 is matrix resin, and the red phosphorus master batch is a fire retardant, and compatilizer is PP-g-MAH, and oxidation inhibitor is 1098/168 (1:1); Lubricant is MB-4.
Proportioning 1-2 (weight %) (table 1)
Material name Proportioning 1 Proportioning 2
Nylon 6 55 46
The red phosphorus master batch 20 18
PP-g-MAH 4 5
Alkali free glass fibre 10 15
Talcum powder 10 15
Lubricant 0.5 0.5
Oxidation inhibitor is 1098/168 (1:1) 0.5 0.5
Said components was put into high-speed mixer and mixing 4 minutes in proportion except that glass fibre, add glass fibre screw extrusion press extruding pelletization then, the screw rod revolution is at 450 rev/mins, and the processing temperature in each district is: (unit ℃)
One district Two districts Three districts Four districts Five districts Six districts Seven districts Eight districts Nine districts Ten districts
225 230 230 235 235 235 235 235 235 235
A kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combination performances of embodiment 1 and embodiment 2 gained and traditional bromo-antimony flame-retardant system are contrasted:
Mechanics Performance Testing is according to the ASTM standard, and flame retardant properties is tested according to the UL94 standard.
Test performance contrast (table 2)
Project Embodiment 1 Embodiment 2 Bromo-antimony flame-retardant system
Tensile strength (MPa) 58.4 68.6 51.8
Flexural strength (MPa) 101.3 110.4 101.3
Modulus in flexure (MPa) 4831.2 5574.7 4679.2
Shock strength (J/M) 42.2 40.5 37.1
Flame retardant resistance V0 V0 V0

Claims (8)

1. environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations is characterized in that, are mixed by following raw materials by weight percent and form:
Nylon 6 40-67%,
Red phosphorus master batch 12-25%,
Compatilizer 1-10%,
Glass fibre 9-20%,
Talcum powder 9-20%,
Oxidation inhibitor 0.1-1%,
Lubricant 0.1-1%.
2. a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1 is characterized in that the relative viscosity of described nylon 6 slice is 2.4-3.8PaS.
3. a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1 is characterized in that described red phosphorus master batch is matrix with the polyamide resin, and red phosphorus content is the master batch of 30-65%.
4. a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1, it is characterized in that, described compatilizer is the oligopolymer of the graft polymerization of polypropylene grafted unsaturated acid or acid anhydrides, be PP-g-MAH, its melting index is 40-150g/10min, and percentage of grafting is 0.5-1%.
5. a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1 is characterized in that described glass fibre is an alkali free glass fibre, and handle through silane coupling agent on its surface.
6. a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1 is characterized in that described oxidation inhibitor is suffocated amine antioxidant, are 1098, or composite with phosphite ester kind antioxidant, are 1098/168 of proportioning 1:1.
7. a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1 is characterized in that described lubricant is MB-4.
8. the preparation method of a kind of environment-protecting flame-retardant composite filling reinforced nylon 6 dragon 6 resin combinations according to claim 1 is characterized in that its preparation technology is:
The first step. weigh raw material by weight percentage;
Second step. remove glass fibre, other raw materials were put into high-speed mixer and mixing 2-5 minute;
The 3rd step. discharging;
The 4th step. raw materials mixed is added glass fibre extruding pelletization in the screw rod machine, and the rotating speed of screw rod machine is 180-600 rev/mins, and temperature is 230-260 ℃.
CNA2007101705584A 2007-11-19 2007-11-19 Environment-protecting flame-retardant composite filling reinforced nylon 6 resin composition Pending CN101440210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101705584A CN101440210A (en) 2007-11-19 2007-11-19 Environment-protecting flame-retardant composite filling reinforced nylon 6 resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007101705584A CN101440210A (en) 2007-11-19 2007-11-19 Environment-protecting flame-retardant composite filling reinforced nylon 6 resin composition

Publications (1)

Publication Number Publication Date
CN101440210A true CN101440210A (en) 2009-05-27

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102219993A (en) * 2011-05-09 2011-10-19 本松工程塑料(杭州)有限公司 Low-cost halogen-free inflaming-retarding polyamide material for low-voltage apparatus housings
CN102732021A (en) * 2012-07-17 2012-10-17 上海日之升新技术发展有限公司 High CTI (Comparative Tracking Index) flame retardant glass fiber reinforced PA66 (Polyamide 66)/PE (Polyethylene) alloy composite and preparation method thereof
CN102775783A (en) * 2012-07-17 2012-11-14 上海日之升新技术发展有限公司 Flame-retardant glass fiber reinforced polyamide 66/polyamide 46 (PA66/PA46) alloy composite and preparation method thereof
CN103333492A (en) * 2013-07-22 2013-10-02 深圳市兴盛迪新材料有限公司 Halogen-free flame retardant nylon resin composition
CN103788637A (en) * 2014-02-26 2014-05-14 程六秀 Composite material and preparation method thereof
CN104448809A (en) * 2013-09-25 2015-03-25 上海杰事杰新材料(集团)股份有限公司 Glass fiber/mineral composite enhanced modified semi-aromatic nylon material and preparation method thereof
CN106751776A (en) * 2016-12-09 2017-05-31 宜春学院 Composite of nano-nylon 6 and preparation method thereof
CN106810855A (en) * 2017-01-13 2017-06-09 饶德生 Composite of a kind of nano-nylon 6 and preparation method thereof
EP3875516A1 (en) * 2020-03-03 2021-09-08 Electrolux Appliances Aktiebolag Component for electrical household appliances

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104693790A (en) * 2011-05-09 2015-06-10 本松工程塑料(杭州)有限公司 Low-cost halogen-free and flame-retarding polyamide material for low-voltage appliance housings
CN102219993A (en) * 2011-05-09 2011-10-19 本松工程塑料(杭州)有限公司 Low-cost halogen-free inflaming-retarding polyamide material for low-voltage apparatus housings
CN104693790B (en) * 2011-05-09 2016-04-27 本松工程塑料(杭州)有限公司 A kind of low cost halogen-free flame-retardant polyamide material for low-voltage apparatus shell
CN102732021A (en) * 2012-07-17 2012-10-17 上海日之升新技术发展有限公司 High CTI (Comparative Tracking Index) flame retardant glass fiber reinforced PA66 (Polyamide 66)/PE (Polyethylene) alloy composite and preparation method thereof
CN102775783A (en) * 2012-07-17 2012-11-14 上海日之升新技术发展有限公司 Flame-retardant glass fiber reinforced polyamide 66/polyamide 46 (PA66/PA46) alloy composite and preparation method thereof
CN102732021B (en) * 2012-07-17 2015-07-29 上海日之升新技术发展有限公司 High CTI value flame-proof glass fibre reinforced plastic PA66/PE alloy composite and preparation method thereof
CN103333492A (en) * 2013-07-22 2013-10-02 深圳市兴盛迪新材料有限公司 Halogen-free flame retardant nylon resin composition
CN104448809A (en) * 2013-09-25 2015-03-25 上海杰事杰新材料(集团)股份有限公司 Glass fiber/mineral composite enhanced modified semi-aromatic nylon material and preparation method thereof
CN103788637A (en) * 2014-02-26 2014-05-14 程六秀 Composite material and preparation method thereof
CN103788637B (en) * 2014-02-26 2016-08-17 程六秀 A kind of composite and preparation method thereof
CN106751776A (en) * 2016-12-09 2017-05-31 宜春学院 Composite of nano-nylon 6 and preparation method thereof
CN106810855A (en) * 2017-01-13 2017-06-09 饶德生 Composite of a kind of nano-nylon 6 and preparation method thereof
EP3875516A1 (en) * 2020-03-03 2021-09-08 Electrolux Appliances Aktiebolag Component for electrical household appliances

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Open date: 20090527