CN102964687B - A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof - Google Patents
A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof Download PDFInfo
- Publication number
- CN102964687B CN102964687B CN201210511984.0A CN201210511984A CN102964687B CN 102964687 B CN102964687 B CN 102964687B CN 201210511984 A CN201210511984 A CN 201210511984A CN 102964687 B CN102964687 B CN 102964687B
- Authority
- CN
- China
- Prior art keywords
- alloy material
- glass fibre
- compound
- value
- oxidation inhibitor
- 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.)
- Expired - Fee Related
Links
Abstract
The present invention relates to a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens PP/PA6 alloy material, be made up of the raw material of following weight percent content: PP 23-41%, PA6 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%.The present invention also provides the preparation method of this alloy material.The invention has the advantages that: it is higher that high CTI value of the present invention, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material glow wire temperature (GWIT), creepage trace index (CTI) is higher, environmental protection, over-all properties is balanced, Low-voltage Electronic capacitor case can be widely used in, load break switch, carbon brush supports, breaker of plastic casing.
Description
Technical field
The present invention relates to field of alloy material, specifically, is a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass enhancing PP/PA6 alloy material and preparation method thereof.
Background technology
Nylon (Nylon), Chinese name polymeric amide, English name Polyamide(is called for short PA), be on molecular backbone chain containing recurring amide radical group-[NHCO]-thermoplastic resin general name.Its name is determined by the carbonatoms that synthon is concrete, as: nylon-6,66,1010,610. its degree of crystallinity are high, fusing point is obvious; Surface hardness is large, abrasion performance, frictional coefficient are little, have self lubricity and sound-deadening properties.Low-temperature performance is good, has certain thermotolerance (can use below 100 degree).Nontoxic, odorless, not go rotten, have self-extinguishing, good weatherability, but dyeability is poor.
Polypropylene molecule formula: (C3H6) n is a kind of thermoplastic resin obtained by propylene polymerization.Isotatic polypropylene (isotaetic polyprolene), Atactic Polypropelene (atactic polypropylene) and syndiotactic polypropylene (syndiotatic polypropylene) three kinds is divided into by methyl arrangement position.Nontoxic, tasteless, density is little, and intensity, rigidity, hardness thermotolerance are all better than low pressure polyethylene, can about 100 DEG C uses.There is good electrical property and high-frequency insulation not by humidity effect.Be suitable for making common mechanical part, corrosion-resistant part and insulating part.The organic solvents such as common acid, alkali work hardly to it, can be used for tableware.
PP/PA6 alloy material combines the advantage of bi-material.21 century, electric appliance communication electromechanical equipment was to high-performance microization development, and more and more higher to the requirement of fire-retardant PP/PA6 alloy material, meanwhile, along with the mankind are to the understanding of environmental protection, Green Product is subject to common concern.Therefore, fire-retardant PP/PA6 alloy material developing direction is: the fire-retardant PP/PA6 alloy material of performance functionization becomes main flow; The kind of the fire-retardant PP/PA6 alloy material of environmental type and demand get more and more; The production of fire-retardant PP/PA6 alloy material is to multi items seriation future development; The use diversification of fire retardant, compound development.Some traditional modes are (GF+ TDE+antimonous oxide) compound system, (GF+ brominated Polystyrene+antimonous oxide) compound system, but the CTI value of these compound systems (creepage trace index) and GWIT value (glow wire temperature) not high, be not suitable for the power utilization environment of high request.
Chinese patent literature CN1789336A discloses a kind of highly fire-retardant polymer PA/PP alloy, and composition of raw materials (weight) is: major ingredient: (1). nylon 6 (PA6) 50 ~ 60 parts; (2). polypropylene (PP) 25 ~ 35 parts; Auxiliary material: (1). composite flame-retardant agent-polyphosphoric acid amine 4 ~ 6 parts, trimeric cyanamide 1 ~ 3 part and aminosilane 1 part; (2). compatilizer-8 ~ 12 parts, sulfonated polystyrene zinc; (3). oxidation inhibitor-antioxidant 1010/168,0.2/0.2 part, can be widely used in the electric components and the automobile structure that manufacture high-strength, fire-retardant and various thickness.Chinese patent literature CN 102775782A discloses a kind of flame-proof glass fibre reinforced plastic PA66/PP alloy composite and preparation method thereof, described composition comprises each component of following weight percent content: PA66 20-41%, PP 20-41%, compatilizer 0-10%, compositional flame-retardant master batch 0-15%, glass fibre 20-40%, oxidation inhibitor 0.1-1%, lubrication dispersing agent 0.1-1%.But strengthen PP/PA6 alloy material and preparation method thereof yet there are no report about a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass.
Summary of the invention
The object of the invention is for deficiency of the prior art, provide a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass to strengthen PP/PA6 alloy material.
Of the present invention again one object be provide a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass to strengthen the preparation method of PP/PA6 alloy material.
For achieving the above object, the technical scheme that the present invention takes is: a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material, be made up of the raw material of following weight percent content: PP 23-41%, PA6 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%.
The limiting viscosity of described PA6 is 2.8dl/g.
Described compound flame redundant is mixed by three kinds of components, and its mass percent is BPS 50%, magnesium hypophosphite 25%, talcum powder 25%.
Described glass fibre is alkali free glass fibre, and its surface is through silane coupling agent process.
Described oxidation inhibitor is Hinered phenols antioxidant.
Described oxidation inhibitor is oxidation inhibitor 1330.
Described compatilizer is maleic anhydride graft PP.
Described oxide compound is ferric oxide.
For realizing above-mentioned second object, the technical scheme that the present invention takes is: a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen the preparation method of PP/PA6 alloy material, comprise the following steps: take raw material by weight ratio: PP 23-41%, PA6 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ.
The invention has the advantages that:
It is higher that high CTI value of the present invention, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material glow wire temperature (GWIT), creepage trace index (CTI) is higher, environmental protection, over-all properties is balanced, Low-voltage Electronic capacitor case can be widely used in, load break switch, carbon brush supports, breaker of plastic casing.
Embodiment
Below in conjunction with embodiment, embodiment provided by the invention is elaborated.
The invention provides a kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthens PP/PA6 alloy material, be made up of the raw material of following weight proportion: PP 23-41%, PA6 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%.
Described PP is commercial polypropylene.Described PA6 is commercially available polyamide 6, and its limiting viscosity is 2.8dl/g.Described compound flame redundant, is mixed by three kinds of components, and its mass percent is brominated Polystyrene (BPS): 50%, magnesium hypophosphite: 25%, talcum powder: 25%.Described glass fibre is alkali free glass fibre, is added by glass fibre in silane coupling agent, makes its surface through silane coupling agent process.Described compatilizer is commercially available maleic anhydride graft PP.Described oxidation inhibitor is Hinered phenols antioxidant, and preferred oxidation inhibitor is oxidation inhibitor 1330.Described oxide compound is ferric oxide.
Preparation method comprises the following steps: take raw material by weight ratio: PP 23-41%, PA6 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ.
comparative example 1
Take raw material by weight ratio: PP 25%, PA6 38.6%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 20%, oxidation inhibitor 0.4%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
Table 1 twin screw extruder parameter
comparative example 2
Take raw material by weight ratio: PP 25%, PA6 25.1%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 3%, oxidation inhibitor 0.4%, oxide compound 0.5%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
comparative example 3
Take raw material by weight ratio: PP 25%, PA6 25.1%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 3%, oxidation inhibitor 0.4%, oxide compound 0.5%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
comparative example 4
Take raw material by weight ratio: PP 25%, PA6 25.1%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 3%, oxidation inhibitor 0.4%, oxide compound 0.5%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
comparative example 5
Take raw material by weight ratio: PP 25%, PA6 25.1%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 3%, oxidation inhibitor 0.4%, oxide compound 0.5%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
comparative example 6
Take raw material by weight ratio: PP 25%, PA6 25.1%, fire retardant (TDE) 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 3%, oxidation inhibitor 0.4%, oxide compound 0.5%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
comparative example 7
Take raw material by weight ratio: PP 25%, PA6 23%, fire retardant (brominated Polystyrene) 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 5%, oxidation inhibitor 0.4%, oxide compound 0.6%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
embodiment 1
Take raw material by weight ratio: PP 25%, PA6 25.1%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 3%, oxidation inhibitor 0.4%, oxide compound 0.5%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
embodiment 2
Take raw material by weight ratio: PP 25%, PA6 23%, compound flame redundant 12%, antimonous oxide 4%, glass fibre 30%, compatilizer 5%, oxidation inhibitor 0.4%, oxide compound 0.6%; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ, and twin screw extruder parameter is with reference to table 1.
It should be noted that, the compound flame redundant described in comparative example 1-5 and embodiment 1-2, mixed by three kinds of components, its mass percent is brominated Polystyrene (BPS): 50%, magnesium hypophosphite: 25%, talcum powder: 25%.Described glass fibre is alkali free glass fibre, and its surface is through silane coupling agent process.Described compatilizer is commercially available maleic anhydride graft PP.
The formula for raw stock (wt%) of table 2 comparative example 1-7 and embodiment 1-2
embodiment 3 performance test
The sample obtained according to comparative example 1-7 and embodiment 1-2, carries out performance test comparison, adopts ASTM standard, and test performance contrast is as shown in the table.
The properties of sample test comparison of table 3 comparative example 1-7 and embodiment 1-2
As can be seen from the above table, the present invention adopts novel flame-retardant compound system, compares with traditional flame-retardant system, and when fire retardant percentage composition is identical, novel built system can make the glow wire temperature of material improve 50 to 100 DEG C, can pass through 850 DEG C of glowing filaments.Along with the raising of novel built type flame retardant agent content, the glow wire temperature of product also improves gradually.Simultaneously, adding of glass fibre also makes the glowing filament of material significantly improve, add the impact property that compatilizer improves material, oxidation inhibitor is that a kind of Hinered phenols antioxidant improves the ageing resistance of composition in the antioxidant property and use procedure of the course of processing, adopt ferric oxide as raising CTI auxiliary agent, significantly improve creepage trace index, improve materials processing mobility, reduce frictional coefficient, improve slipping, adopt better dispersed under specific processing conditions, the residence time is short, shear slightly weak combination, prevent fire retardant from decomposing, thus ensure that the steady quality of material.
It is higher that high CTI value of the present invention, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material glow wire temperature (GWIT), creepage trace index (CTI) is higher, environmental protection, over-all properties is balanced, Low-voltage Electronic capacitor case can be widely used in, load break switch, carbon brush supports, breaker of plastic casing.
embodiment 4
Take raw material by weight ratio: PP 23%, PA6 41%, compound flame redundant 6%, antimonous oxide 3%, glass fibre 20%, commercially available maleic anhydride graft PP 5%, oxidation inhibitor (1330) 1%, ferric oxide 1%; Put into high-speed mixer and mixing 2 minutes, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 220 DEG C, and screw rod revolution is at 30HZ.
embodiment 5
Take raw material by weight ratio: PP 41%, PA6 22%, compound flame redundant 6%, antimonous oxide 8.8%, glass fibre 20%, commercially available maleic anhydride graft PP 2%, oxidation inhibitor (1330) 0.1%, ferric oxide 0.1%; Put into high-speed mixer and mixing 5 minutes, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 220 DEG C, and screw rod revolution is at 40HZ.
embodiment 6
Take raw material by weight ratio: PP 23%, PA6 22%, compound flame redundant 20%, antimonous oxide 4%, glass fibre 20%, commercially available maleic anhydride graft PP 10%, oxidation inhibitor (1330) 0.5%, ferric oxide 0.5%; Put into high-speed mixer and mixing 3 minutes, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 210 DEG C, and screw rod revolution is at 35HZ.
embodiment 7
Take raw material by weight ratio: PP 25%, PA6 25%, compound flame redundant 10%, antimonous oxide 15%, glass fibre 20%, commercially available maleic anhydride graft PP 4%, oxidation inhibitor (1330) 0.4%, ferric oxide 0.6%; Put into high-speed mixer and mixing 4 minutes, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200 DEG C, and screw rod revolution is at 38HZ.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (2)
1. a high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material, it is characterized in that, be made up of the raw material of following weight percent content: PP 23-41%, PA6 22-41%, compound flame redundant 6-20%, antimonous oxide 3-15%, glass fibre 20-30%, compatilizer 2-10%, oxidation inhibitor 0.1-1%, oxide compound 0.1-1%; The limiting viscosity of described PA6 is 2.8dl/g; Described compound flame redundant is mixed by three kinds of components, and its mass percent is BPS 50%, magnesium hypophosphite 25%, talcum powder 25%; Described glass fibre is alkali free glass fibre, and its surface is through silane coupling agent process; Described oxidation inhibitor is oxidation inhibitor 1330; Described compatilizer is maleic anhydride graft PP; Described oxide compound is ferric oxide.
2. the preparation method of a kind of high CTI value according to claim 1, high GWIT value environment-protection flame-proof fiberglass enhancing PP/PA6 alloy material, is characterized in that, comprise the following steps: take raw material by weight ratio; Put into high-speed mixer and mixing 2-5 minute, discharging, then use twin screw extruder extruding pelletization, processing temperature is at 200-220 DEG C, and screw rod revolution is at 30-40HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210511984.0A CN102964687B (en) | 2012-12-04 | 2012-12-04 | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210511984.0A CN102964687B (en) | 2012-12-04 | 2012-12-04 | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102964687A CN102964687A (en) | 2013-03-13 |
| CN102964687B true CN102964687B (en) | 2015-08-05 |
Family
ID=47795138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210511984.0A Expired - Fee Related CN102964687B (en) | 2012-12-04 | 2012-12-04 | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102964687B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205108A (en) * | 2013-04-16 | 2013-07-17 | 常熟市凯力达蜂窝包装材料有限公司 | Black glass fiber enhanced flame retardant polyamide composite |
| CN103788634B (en) * | 2014-01-27 | 2015-12-30 | 上海日之升新技术发展有限公司 | Low-shrinkage fiberglass reinforced PP/PA composite and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108187A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof |
| CN102775771A (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 6/polypropylene (PA6/PP) alloy composite and preparation method thereof |
-
2012
- 2012-12-04 CN CN201210511984.0A patent/CN102964687B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108187A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof |
| CN102775771A (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 6/polypropylene (PA6/PP) alloy composite and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102964687A (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103013030B (en) | Flame-retardant glass fiber-reinforced ABS/PA6/PA66 alloy material with high CTI value and high GWIT value | |
| CN102964829B (en) | Environment-friendly and flame-retardant glass fiber reinforced PA (polyamide) 66/PPO (polyphenylene oxide) alloy material with high CTI (comparative tracking index) value and high GWIT (glow-wire ignition temperature) value and preparation method thereof | |
| CN102952399A (en) | Environment-friendly flame retardant glass fiber reinforced polyamide 66 (PA66) material with high comparative tracking index (CTI) value and high glow wire ignition temperature (GWIT) value and preparation method thereof | |
| CN102964688B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA11 alloy material and preparation method thereof | |
| CN102942738B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material and preparation method thereof | |
| CN102952340A (en) | Environment-friendly flame-retardant PP (Propylene) material and preparation method thereof | |
| CN103013101B (en) | Flame-retardant glass fiber-reinforced PA6/PA66 alloy material with high CTI value and high GWIT value | |
| CN103013028A (en) | Flame-retardant glass fiber-reinforced ABS material with high CTI value and high GWIT value | |
| CN103012921B (en) | Flame-retardant glass fiber-reinforced HDPE/PA66 alloy material with high CTI value and high GWIT value | |
| CN102964687B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA6 alloy material and preparation method thereof | |
| CN102993565B (en) | Environment-friendly and flame-retardant glass fibre reinforced PP/PA1010 alloy material with high CTI (comparative tracking index) valve and high GWIT (glow wire ignition temperature) value and preparation method thereof | |
| CN102952338B (en) | Environment-friendly flame retardant glass fiber reinforced polypropylene/ polyamide66 (PP/ PA66) alloy material with high comparative tracking index (CTI) value and high glow wire ignition temperature (GWIT) value and preparation method thereof | |
| CN102952339B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA12 alloy material and preparation method thereof | |
| CN103013027B (en) | Flame-retardant glass fiber-reinforced ABS/PA66 alloy material with high CTI value and high GWIT value | |
| CN103012927B (en) | Flame-retardant glass fiber-reinforced HDPE/PA6 alloy material with high CTI value and high GWIT value | |
| CN102964685B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA46 alloy material and preparation method thereof | |
| CN103012926B (en) | Flame-retardant glass fiber-reinforced HDPE/PA12 alloy material with high CTI value and high GWIT value | |
| CN102964821B (en) | Flame-retardant glass fiber reinforced PA6 (polyamide 6)/PPO (P-Polyphenylene Oxide) alloy material and preparation method thereof | |
| CN102952397B (en) | Environment-friendly flame-retardant glass fiber reinforced PA6 (Polyamide 6) material and preparation method thereof | |
| CN103013029B (en) | Flame-retardant glass fiber-reinforced ABS/PA6 alloy material with high CTI value and high GWIT value | |
| CN102942740B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PA612 alloy material and preparation method thereof | |
| CN102936376B (en) | Environment-friendly flame-retardant glass fiber reinforced PP/PA610 (polypropylene/polyamide 610) alloy material with high CTI (comparative tracking index) value and high GWIT (glow-wire ignition temperature) value and preparation method thereof | |
| CN102942739B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP material and preparation method thereof | |
| CN103012919B (en) | Flame-retardant glass fiber-reinforced HDPE/PA1010 alloy material with high CTI value and high GWIT value | |
| CN103012920B (en) | Flame-retardant glass fiber-reinforced HDPE/PA612 alloy material with high CTI value and high GWIT value |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20171204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |