CN1990551A - Preparation method of flame-proof nylon and ABS alloy material - Google Patents
Preparation method of flame-proof nylon and ABS alloy material Download PDFInfo
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- CN1990551A CN1990551A CN 200510112126 CN200510112126A CN1990551A CN 1990551 A CN1990551 A CN 1990551A CN 200510112126 CN200510112126 CN 200510112126 CN 200510112126 A CN200510112126 A CN 200510112126A CN 1990551 A CN1990551 A CN 1990551A
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Abstract
The invention relates to a flame retardant nylon and ABS alloy material. It comprises a mixture, and the components and the proportion of them by weight are as follows: nylon 6 slice 20- 50%, ABS 30- 50%, compatibilizer 1- 15%, flame retardant agent 10- 30%, flame retardant synergistic agent 5- 15%, anti-oxidation agent 0.1- 1%, and lubricating agent 0.1- 0.5%. The process for preparing flame retardant nylon and ABS alloy material comprises: weighing raw material according to weight proportion; putting raw material into high mixing machine for mixing 2- 5 minutes; putting mixted raw material into screw compressor for extrusion, the rotation speed of screw compressor is 180- 600 r/ m, and the temperature is 180- 260 Deg. C. The invention is characterized by good flame retardantproperty, and the flame retardance reaches to V-O grade of UL94, good rigidity and appearance, and drug- resistant property. It is also suitable to be used to inject and shpe into flame retardanr electrical appliance.
Description
Technical field
The present invention relates to the preparation method of a kind of fire-retardant nylon and ABS alloy material, relate in particular to a kind of good flame that has, characteristics such as V-0 level, high strength, the outward appearance that flame retardant effect reaches UL94 is good, resistance to chemical reagents can be used for nylon/ABS alloy material that injection moulding has the electric equipment products of fire-retardant requirement.
Background technology
Nylon and ABS alloy are released by the Borg Warner Chemicals company and the Monsanto company of the U.S. the earliest, has heat-drawn wire than PA height, and the higher characteristics of vicat softening temperature, thereby become the ideal material of trolley parts such as making the body of a motor car coverboard and household appliances.
Advantages such as PA6 has wear-resisting, anti-solvent, oil resistant, use temperature are wide, but have also that water-absorbent is big, deficiency such as poor dimensional stability, low temperature and dry state shock strength are low, limited its use greatly.With PA6 and ABS blend, can make the toughness of existing ABS, again the alloy of thermotolerance and the oil-proofness of PA be arranged.This kind alloy is widely used in automobile, electronic apparatus, home-use device etc.But because the polymkeric substance that PA6 is a kind of crystallinity, strong polarity, melt viscosity is very low, and ABS is the polymkeric substance of a kind of amorphism, low-pole, the solubility parameter of the two differs bigger, it is incompatible to belong to thermodynamics, simple worker mixes and causes two-phase interface tension force very big, thereby causes mechanical property relatively poor.In addition, a lot of household appliances all need material to have good flame retardancy.
Summary of the invention
The purpose of this invention is to provide a kind ofly have that high flame retardant, dimensional stabilizing, high strength, outward appearance are good, high workability, the fire-retardant nylon of resistance to chemical reagents and the preparation method of ABS alloy material.
For realizing above purpose, technical scheme of the present invention provides a kind of fire-retardant nylon and ABS alloy material, it is characterized in that, it is made up of a mixture, and its weight proportion consists of:
Nylon 6 slice 20-50%,
ABS 30-50％、
Compatilizer 1-15%,
Fire retardant 10-30%,
Fire retarding synergist 5-15%,
Oxidation inhibitor 0.1-1%,
Lubricant 0.1-0.5%.
The relative viscosity of described nylon 6 slice is 2.4-3.8PaS; Described ABS is vinyl cyanide, divinyl and styrene copolymer, and its rubber content is 35%-70%; Described fire retardant is a bromide fire retardant, is decabromodiphenyl oxide; Described fire retarding synergist is an antimonous oxide; Described oxidation inhibitor is Hinered phenols antioxidant, is 1076 and the compound system of Hinered phenols antioxidant and phosphite ester kind antioxidant, is 1010/168 (1: 1); Described lubricant is the ultra-high molecular weight polysiloxane; Described compatilizer is the polymer A grafted maleic anhydride, is SMA, ABS-g-MAH; Described polymer A is PS, AS, ABS.
The preparation method of a kind of fire-retardant nylon and ABS alloy material is characterized in that, its method is as follows:
(1) weighs raw material by proportioning;
(2) each component being put into the high mixer kind mixed 2-5 minute;
(3) raw materials mixed is placed the dual-screw-stem machine extruding pelletization, the rotating speed of dual-screw-stem machine is 180-600 rev/min, and temperature is 180-260 ℃.
Advantage such as PA6 has wear-resisting, anti-solvent, oil resistant, use temperature are wide is the engineering plastics of current production rate maximum.
Vinyl cyanide, divinyl and styrene copolymer have been gathered glossiness and formability that vinylbenzene has, rigidity that vinyl cyanide has and resistance to chemical reagents and excellent mechanical property, the shock-resistance that divinyl has can be improved dimensional stability, shock strength, chemical resistant properties and the processing characteristics of nylon with nylon blending.
Because nylon and ABS belong to the thermodynamics incompatible material, the adding of compatilizer can greatly improve both consistencies, solves the inconsistent problem of thermodynamics, improves the comprehensive mechanical property of alloy.
Described fire retardant is the organic fire-retardant of present consumption maximum for the organic halogen fire retardant, its fire retardation mainly is that gas phase is fire-retardant, the hydrogen halide that the burning back generates is heavier than air, and flame and air are separated, and hydrogen halide can also be caught the free radical in the gas phase simultaneously.Described fire retarding synergist antimonous oxide Sb
2O
3With halogen flame synergistic effect is arranged, its synergistic effect mainly is to cover surface, reduction heat decomposition temperature, Mulberry Extract, termination incendiary chain reaction.
Owing to added a large amount of low-molecular-weight fire retardant and fire retarding synergist, the shock resistance of material is caused very big influence, add the shock resistance that compatilizer can improve system significantly.The compatilizer microparticulate is in system, and when being subjected to impacting, particulate can produce a large amount of crazings, and branching around, absorbs a large amount of striking energys, improves the shock strength and the toughness of material.
Oxidation inhibitor comprises a kind of Hinered phenols antioxidant, can be 1076, is mainly used in the oxidation that prevents ABS, and the compound system of a kind of Hinered phenols antioxidant and phosphite ester kind antioxidant can be 1010/168 (1: 1), mainly prevents the oxidation of PA6.
The ultra-high molecular weight polysiloxane improves the processing fluidity of material as lubricant, reduces frictional coefficient, improves smooth property, improves surface luster.
The present invention adopts nylon 6 and ABS resin, make a kind of superelevation heat-resisting nylon/ABS alloy material, it is a kind of alloy material with fine flame retardant properties, the size instability of nylon material, the shortcoming of easy warpage have been solved well, and the inconsistent characteristics of thermodynamics of nylon 6 and ABS material, and this material has that dimensional stabilizing, intensity height, outward appearance are good, the characteristics of high workability, resistance to chemical reagents.
Advantage of the present invention is the characteristic that has had nylon 6 and ABS concurrently, and flame retardant properties is good, and scantling is stable, the intensity height, and outward appearance is good, high workability, resistance to chemical reagents.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.Embodiment 1 and 2:
With SMA, ABS-g-MAH is compatilizer, and 1098/168 (1: 1) and 1076 is an oxidation inhibitor, is fire retardant with the decabromodiphenyl oxide, is fire retarding synergist with the antimonous oxide, and the high molecular polysiloxane is a lubricant.
Proportioning 1-2 (table 1)
| Material name | Proportioning 1 (wt%) | Proportioning 2 (wt%) |
| Nylon 6 slice | 26 | 38 |
| ABS | 37 | 27 |
| SMA | 9 | -- |
| ABS-g-MAH | -- | 10 |
| 1098/168(1∶1) | 0.4 | 0.4 |
| Decabromodiphenyl oxide | 18 | 16 |
| Antimonous oxide | 9 | 8 |
| 1076 | 0.3 | 0.3 |
| The high molecular polysiloxane | 0.3 | 0.3 |
Except that glass fibre, earlier each component was put into high-speed mixer and mixing 4 minutes in proportion, one reinstate the screw extrusion press extruding pelletization then, processing temperature is at 260 ℃, and the screw rod revolution is at 500 rev/mins.
The like product performance comparison of the sample 1 that makes according to embodiment 1, embodiment 2, sample 2 and bright and beautiful lake Ri Li company
Test performance contrast (table 2)
| Project | Sample 1 | Sample 2 | KS |
| Tensile strength Mpa | 34.1 | 36.6 | 35.5 |
| Flexural strength Mpa | 45.4 | 48 | 45 |
| Composite bending modulus Mpa | 1600 | 1550 | 1800 |
| Shock strength KJ/M 2 | 147 | 210 | 180 |
| UL94 | V-0 | V-0 | V-0 |
| HDT℃ | 80 | 82 | 80 |
Claims (10)
1. fire-retardant nylon and ABS alloy material is characterized in that it is made up of a mixture, and its weight proportion consists of:
Nylon 6 slice 20-50%,
ABS 30-50％、
Compatilizer 1-15%,
Fire retardant 10-30%,
Fire retarding synergist 5-15%,
Oxidation inhibitor 0.1-1%,
Lubricant 0.1-0.5%.
2. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that, the relative viscosity of described nylon 6 slice is 2.4-3.8PaS.
3. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that, described ABS is vinyl cyanide, divinyl and styrene copolymer, and its rubber content is 35%-70%.
4. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that described fire retardant is a bromide fire retardant, are decabromodiphenyl oxides.
5. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that, described fire retarding synergist is an antimonous oxide.
6. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that described oxidation inhibitor is Hinered phenols antioxidant, are 1076 and the compound system of Hinered phenols antioxidant and phosphite ester kind antioxidant, are 1010/168 (1: 1).
7. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that, described lubricant is the ultra-high molecular weight polysiloxane.
8. fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that, described compatilizer is the polymer A grafted maleic anhydride, are SMA, ABS-g-MAH.
9. fire-retardant nylon according to claim 8 and ABS alloy material is characterized in that, described polymer A is PS, AS, ABS.
10. the preparation method of fire-retardant nylon according to claim 1 and ABS alloy material is characterized in that, its method is as follows:
(1) weighs raw material by weight ratio;
(2) each component is put into high-speed mixer and mixing 2-5 minute;
(3) raw materials mixed is placed the dual-screw-stem machine extruding pelletization, the rotating speed of dual-screw-stem machine is 180-600 rev/min, and temperature is 180-260 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112126 CN1990551A (en) | 2005-12-28 | 2005-12-28 | Preparation method of flame-proof nylon and ABS alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112126 CN1990551A (en) | 2005-12-28 | 2005-12-28 | Preparation method of flame-proof nylon and ABS alloy material |
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| CN1990551A true CN1990551A (en) | 2007-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510112126 Pending CN1990551A (en) | 2005-12-28 | 2005-12-28 | Preparation method of flame-proof nylon and ABS alloy material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942174A (en) * | 2010-10-25 | 2011-01-12 | 江苏技术师范学院 | Halogen-free flame-retardant ABS/PA6 alloy material and preparation method thereof |
| CN102604374A (en) * | 2012-02-29 | 2012-07-25 | 杨谢 | Formula and preparing method of PA6 (Polyamide-6) and ABS (Acrylonitrile Butadiene Styrene) alloy material |
| CN103183959A (en) * | 2013-04-10 | 2013-07-03 | 苏州旭光聚合物有限公司 | Reinforced flame-retardant PA6 (polyamide)/ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof |
| CN104119635A (en) * | 2013-04-25 | 2014-10-29 | 上海杰事杰新材料(集团)股份有限公司 | ABS / PA6 material for extrusion technology and preparation method thereof |
| CN106317866A (en) * | 2016-10-09 | 2017-01-11 | 上海金发科技发展有限公司 | PA/AS (polyamide/ acrylonitrile styrene) base resin compound and preparation method thereof |
-
2005
- 2005-12-28 CN CN 200510112126 patent/CN1990551A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942174A (en) * | 2010-10-25 | 2011-01-12 | 江苏技术师范学院 | Halogen-free flame-retardant ABS/PA6 alloy material and preparation method thereof |
| CN101942174B (en) * | 2010-10-25 | 2012-01-11 | 江苏技术师范学院 | Halogen-free flame-retardant ABS/PA6 alloy material and preparation method thereof |
| CN102604374A (en) * | 2012-02-29 | 2012-07-25 | 杨谢 | Formula and preparing method of PA6 (Polyamide-6) and ABS (Acrylonitrile Butadiene Styrene) alloy material |
| CN103183959A (en) * | 2013-04-10 | 2013-07-03 | 苏州旭光聚合物有限公司 | Reinforced flame-retardant PA6 (polyamide)/ABS (acrylonitrile-butadiene-styrene) composite material and preparation method thereof |
| CN104119635A (en) * | 2013-04-25 | 2014-10-29 | 上海杰事杰新材料(集团)股份有限公司 | ABS / PA6 material for extrusion technology and preparation method thereof |
| CN106317866A (en) * | 2016-10-09 | 2017-01-11 | 上海金发科技发展有限公司 | PA/AS (polyamide/ acrylonitrile styrene) base resin compound and preparation method thereof |
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