CN102120867A - Flame-retardant and reinforced PBT (polybutylene terephthalate) composite material with high CTI (comparative tracking index) and production process thereof - Google Patents
Flame-retardant and reinforced PBT (polybutylene terephthalate) composite material with high CTI (comparative tracking index) and production process thereof Download PDFInfo
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- CN102120867A CN102120867A CN2011100412012A CN201110041201A CN102120867A CN 102120867 A CN102120867 A CN 102120867A CN 2011100412012 A CN2011100412012 A CN 2011100412012A CN 201110041201 A CN201110041201 A CN 201110041201A CN 102120867 A CN102120867 A CN 102120867A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- -1 polybutylene terephthalate Polymers 0.000 title claims abstract description 8
- 229920001707 polybutylene terephthalate Polymers 0.000 title abstract description 25
- 230000000052 comparative effect Effects 0.000 title abstract 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 229920001634 Copolyester Polymers 0.000 claims abstract description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000005977 Ethylene Substances 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 238000001746 injection moulding Methods 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract description 8
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052794 bromium Inorganic materials 0.000 abstract description 8
- BZQKBFHEWDPQHD-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-[2-(2,3,4,5,6-pentabromophenyl)ethyl]benzene Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1CCC1=C(Br)C(Br)=C(Br)C(Br)=C1Br BZQKBFHEWDPQHD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002033 PVDF binder Substances 0.000 abstract 1
- 229920006351 engineering plastic Polymers 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 239000012745 toughening agent Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000131 polyvinylidene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention relates to the field of modified engineering plastics, in particular to a flame-retardant and reinforced PBT (polybutylene terephthalate) composite material with high CTI (comparative tracking index) and a production process thereof. The invention is characterized in that the composite material comprises the following ingredients: 53.5-69.5% of PBT (intrinsic viscosity: 0.83dl/g), 4.3-5.6% of composite toughening agent (polyethylene: ethylene/vinyl acetate copolyester=3:1), 7.7-10.8% of decabromodiphenyl ethane, 3.9-5.8% of antimonous oxide, 0.20-0.80% of fluororesin (polytetrafluoroethylene and polyvinylidene fluoride blend) and 10-30% of alkali-free glass fiber. Compared with the prior art, the invention can obtain the CTI 250-350 and achieve the flame retardance 94UL-V0 level (0.8mm, 1.6mm); meanwhile, the invention keeps good mechanical properties of the materials, meets the requirement of the material of electronic components applied to the field of unserviced white goods, and fully meets the toughness requirement and molding process requirement of thin-wall products (thickness is below 0.8mm). The composite material provided by the invention is superior to the material on the market and has lower cost, and simultaneously the application field of the flame-retardant and reinforced PBT composite material in an ordinary bromine fire-retardant system is expanded.
Description
[technical field]
The present invention relates to the modified engineered plastic field, specifically a kind of fire-retardant reinforced PBT composite material and production technique thereof with high CTI.
[background technology]
The fire-retardant reinforced PBT composite material of present high relative discharge vestige index (CTI) is generally realized by adding halogen-free flame-retardant system, but because the high relative discharge vestige exponential fire-retardant reinforced PBT composite material cost costliness that halogen-free flame-retardant system is made, the bromine that generally adopts relatively at present is a flame-retardant system simultaneously, the halogen-free flame-retardant system addition causes material mechanical performance relatively poor greatly, be not suitable for making the electronic devices and components of the thin-walled that is applied in unserviced white domestic appliances field, be easy to cause the cracking or the embrittlement of product.Bromine is that the fire-retardant reinforced PBT composite material of flame-retardant system is owing to its good mechanical properties is widely used in industry-by-industry in addition, but owing to bromine is that flame-retardant system exists free bromine to cause the relative discharge vestige index of material on the low side, generally between CTI175～CTI225.And the relative discharge vestige index of the electronic devices and components material that unserviced white domestic appliances adopted must meet or exceed CTI250, and this has just seriously restricted the application that common bromine is the fire-retardant reinforced PBT composite material of flame-retardant system.
[summary of the invention]
The objective of the invention is to make fire-retardant reinforced PBT composite material to have good mechanical performance and high CTI simultaneously.
To achieve these goals, design a kind of fire-retardant reinforced PBT composite material with high CTI, form by PBT, composite toughing agent, TDE, antimonous oxide, fluoro-resin and alkali free glass fibre, it is characterized in that according to the mass percent proportioning as follows:
PBT 53.5％～69.5％
Composite toughing agent 4.3%～5.6%
TDE 7.7%～10.8%
Antimonous oxide 3.9%～5.5%
Fluoro-resin 0.2%～0.8%
Alkali free glass fibre 10%～30%.
Described PBT limiting viscosity is 0.83dl/g.
Described composite toughing agent adopts polyethylene: the ethylene/vinyl acetate copolyesters mixes by 3: 1 proportionings.
Described fluoro-resin adopts tetrafluoroethylene and polyvinylidene difluoride (PVDF) mixture.
Production craft step: with PBT back taking-up behind oven dry 4hr under 140 ℃ in convection oven, with composite toughing agent, TDE, antimonous oxide, fluoro-resin and alkali free glass fibre by mass percentage proportioning mix, then by blend granulation in the twin screw extruder, with the matrix material injection moulding in injection moulding machine that obtains.
Each of described twin screw extruder section temperature is followed successively by: 250 ℃, 245 ℃, 240 ℃, 235 ℃, 230 ℃, 225 ℃, 230 ℃, 235 ℃, 240 ℃, 245 ℃, and screw speed: 300 rev/mins; Described each section of injection moulding machine temperature is followed successively by: 250 ℃, 250 ℃, 250 ℃, 250 ℃, 230 ℃.
Described fire-retardant reinforced PBT composite material performance is as follows: tensile yield strength is 114.6～115.7MPa under the 50mm/min condition, elongation at break is 3.05%～3.60%, modulus in tension is 10041～10739MPa, flexural strength is 170.4～173.1MPa under the 2mm/min condition, modulus in flexure is 7797～8219MPa, heat-drawn wire is 223.0 ℃～223.3 ℃ under the 0.45MPa condition, heat-drawn wire is 210.5 ℃～210.9 ℃ under the 1.82MPa condition, the CTI index is CTI250～CTI350, the UL94 flame retardant resistance reaches 94UL-V0 level (0.8mm, 1.6mm), the IZOD notched Izod impact strength is 12.7～13.3KJ/m under 23 ℃ of conditions
2, satisfy the toughness reguirements and the Shooting Technique requirement of thin-wall product (thickness is below 0.8mm) simultaneously fully.
The present invention compared with prior art, keeping bromine is on the basis of flame-retardant system, introduced the fluoro-resin component of surperficial special processing in the formula system, can obtain relative discharge vestige index 〉=CTI250, the highlyest can obtain CTI350, flame retardant resistance reaches 94UL-V0 level (0.8mm, 1.6mm), kept good material mechanical performance simultaneously, satisfy the material requirements of the electronic devices and components that are applied in unserviced white domestic appliances field, and satisfy the toughness reguirements and the Shooting Technique requirement of thin-wall product (thickness is below 0.8mm) fully, more excellent more than present material on the market, and cost is lower, has also expanded the Application Areas that common bromine is the fire-retardant reinforced PBT composite material of flame-retardant system simultaneously.
[description of drawings]
Fig. 1 is a fire-retardant enhancing 30%PBT performance of composites test data table of the present invention;
Fig. 2 is the material C TI value test data table of the fluoro-resin component acquisition of different content in the formula system of the present invention.
[embodiment]
Below in conjunction with accompanying drawing the invention is described in further details, this manufacturing technology is clearly to this professional personage.
The invention product is as follows according to the mass percent proportioning:
1, PBT (polybutylene terephthalate, limiting viscosity: 0.83dl/g): 53.5-69.5%,
2, composite toughner (polyethylene: ethylene/vinyl acetate copolyesters=3: 1): 4.3-5.6%,
3, TDE: 7.7-10.8%,
4, antimonous oxide: 3.9-5.8%,
5, fluoro-resin (tetrafluoroethylene and polyvinylidene blending thing): 0.20-0.80%
6, alkali free glass fibre: 10-30%;
With PBT in convection oven in 140 ℃ of following oven dry 4hr, mix by the component prescription of above-mentioned technical formula, by blend granulation in the twin screw extruder, simultaneously the matrix material that obtains is injection molded into the standard batten in injection moulding machine then.Wherein each of twin screw extruder section temperature is followed successively by: 250 ℃, 245 ℃, 240 ℃, 235 ℃, 230 ℃, 225 ℃, 230 ℃, 235 ℃, 240 ℃, 245 ℃, and screw speed: 300 rev/mins.The injection moulding condition:
Each section of injection moulding machine temperature is followed successively by: 250 ℃, 250 ℃, 250 ℃, 250 ℃, 230 ℃.
Wherein, starting material adopt:
1, PBT:B2550, BASF Aktiengesellschaft
2, polythene PE: 1C7A, Beijing Yanshan Petrochemical Company
3, ethylene/vinyl acetate copolyesters (EVA): 18-3, Beijing DongFang petroleum chemical engineering Co., Ltd. Organic Chemical Plant
4, TDE: FM2100, U.S. big lake company
5, antimonous oxide: the sharp antimony industry of Yunnan wood company limited
6, alkali free glass fibre: T635C, Mount Taishan glass group
7, fluoro-resin (tetrafluoroethylene and polyvinylidene blending thing): HEROL UB C, BASF Aktiengesellschaft
Equipment and instrument adopt:
1,
Parallel dual-screw extruding machine: SHJ-65B, Nanjing extensively reaches chemical industry equipment company limited
2, melt flow rate (MFR) instrument: XNR-400, Chengde gold is built detecting instrument company limited
3, Dielectric Tester: LDQ-2, Shanghai dust microelectronics Science and Technology Ltd.
4, horizontal vertical combustion test instrument: HVL-75, Shanghai dust microelectronics Science and Technology Ltd.
5, Glow Wire Tester: ZRF-JT, field electronics technology company limited is competed in Shanghai
6, plastics balance weight impact testing machine: ZGC7501-2, Mei Tesi industrial system (China) company limited
7, electronic universal tester: CMT6104, Mei Tesi industrial system (China) company limited
8, thermal distortion Vicat softening point test machine: ZWK1302-1, Mei Tesi industrial system (China) company limited
9, injection moulding machine: PT80, Ningbo mechanical stiffness company limited
Claims (7)
1. the fire-retardant reinforced PBT composite material with high CTI is made up of PBT, composite toughing agent, TDE, antimonous oxide, fluoro-resin and alkali free glass fibre, it is characterized in that according to the mass percent proportioning as follows:
PBT 53.5％～69.5％
Composite toughing agent 4.3%～5.6%
TDE 7.7%～10.8%
Antimonous oxide 3.9%～5.5%
Fluoro-resin 0.2%～0.8%
Alkali free glass fibre 10%～30%.
2. a kind of fire-retardant reinforced PBT composite material with high CTI as claimed in claim 1 is characterized in that described PBT limiting viscosity is 0.83dl/g.
3. a kind of fire-retardant reinforced PBT composite material with high CTI as claimed in claim 1, it is characterized in that described composite toughing agent adopts polyethylene: the ethylene/vinyl acetate copolyesters mixes by 3: 1 proportionings.
4. a kind of fire-retardant reinforced PBT composite material with high CTI as claimed in claim 1 is characterized in that described fluoro-resin adopts tetrafluoroethylene and polyvinylidene difluoride (PVDF) mixture.
5. production technique with fire-retardant reinforced PBT composite material of high CTI, it is characterized in that processing step: PBT is taken out behind the oven dry 4hr down in 140 ℃ in convection oven, with composite toughing agent, TDE, antimonous oxide, fluoro-resin and alkali free glass fibre by mass percentage proportioning mix, then by blend granulation in the twin screw extruder, with the matrix material injection moulding in injection moulding machine that obtains.
6. a kind of production technique as claimed in claim 5 with fire-retardant reinforced PBT composite material of high CTI, each section temperature that it is characterized in that described twin screw extruder is followed successively by: 250 ℃, 245 ℃, 240 ℃, 235 ℃, 230 ℃, 225 ℃, 230 ℃, 235 ℃, 240 ℃, 245 ℃, and screw speed: 300 rev/mins; Described each section of injection moulding machine temperature is followed successively by: 250 ℃, 250 ℃, 250 ℃, 250 ℃, 230 ℃.
7. as claim 1 or 5 described a kind of fire-retardant reinforced PBT composite materials with high CTI, the performance that it is characterized in that described fire-retardant reinforced PBT composite material is as follows: tensile yield strength is 114.6～115.7MPa under the 50mm/min condition, elongation at break is 3.05%～3.60%, modulus in tension is 10041～10739MPa, flexural strength is 170.4～173.1MPa under the 2mm/min condition, modulus in flexure is 7797～8219MPa, heat-drawn wire is 223.0 ℃～223.3 ℃ under the 0.45MPa condition, heat-drawn wire is 210.5 ℃～210.9 ℃ under the 1.82MPa condition, the CTI index is CTI250～CTI350, the UL94 flame retardant resistance reaches 94UL-V0 level (0.8mm, 0.6mm), the IZOD notched Izod impact strength is 12.7～13.3KJ/m under 23 ℃ of conditions
2
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100412012A CN102120867B (en) | 2011-02-21 | 2011-02-21 | Flame-retardant and reinforced PBT (polybutylene terephthalate) composite material with high CTI (comparative tracking index) and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100412012A CN102120867B (en) | 2011-02-21 | 2011-02-21 | Flame-retardant and reinforced PBT (polybutylene terephthalate) composite material with high CTI (comparative tracking index) and production process thereof |
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| CN102120867A true CN102120867A (en) | 2011-07-13 |
| CN102120867B CN102120867B (en) | 2012-08-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311619A (en) * | 2011-08-30 | 2012-01-11 | 上海金发科技发展有限公司 | High CTI brominated flame-retardant reinforced PBT material and preparation method thereof |
| CN103232702A (en) * | 2013-04-27 | 2013-08-07 | 上海锦湖日丽塑料有限公司 | High-CTI flame-retardant polyphenylether resin composition |
| CN112778710A (en) * | 2020-12-25 | 2021-05-11 | 金发科技股份有限公司 | high-PTI (polybutylene terephthalate) and high-toughness PBT (polybutylene terephthalate) composition as well as preparation method and application thereof |
| CN113136061A (en) * | 2021-03-26 | 2021-07-20 | 广东聚石化学股份有限公司 | Flame-retardant polyethylene material and preparation method and application thereof |
| CN114702791A (en) * | 2022-03-24 | 2022-07-05 | 国高材高分子材料产业创新中心有限公司 | PBT (polybutylene terephthalate) substrate comparative marking index standard sample and preparation method thereof |
Citations (4)
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| JP2006057037A (en) * | 2004-08-23 | 2006-03-02 | Mitsubishi Engineering Plastics Corp | Flame retardant polyester resin composition |
| CN101128541A (en) * | 2005-02-23 | 2008-02-20 | 宝理塑料株式会社 | Flame retardant resin composition |
| CN101195702A (en) * | 2007-12-25 | 2008-06-11 | 南通市东方实业有限公司 | Toughness reinforcing flame-proof reinforced polybutylene terephthalate complex and method for producing the same |
| CN101885903A (en) * | 2010-07-13 | 2010-11-17 | 上海梵和聚合材料有限公司 | Fire-retardant reinforced PBT composite material with high glow wire temperature and production process thereof |
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2011
- 2011-02-21 CN CN2011100412012A patent/CN102120867B/en not_active Expired - Fee Related
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| CN102311619A (en) * | 2011-08-30 | 2012-01-11 | 上海金发科技发展有限公司 | High CTI brominated flame-retardant reinforced PBT material and preparation method thereof |
| CN102311619B (en) * | 2011-08-30 | 2016-06-15 | 上海金发科技发展有限公司 | The bromine system flame-retardant enhanced PBT material of a kind of high CTI value and its preparation method |
| CN103232702A (en) * | 2013-04-27 | 2013-08-07 | 上海锦湖日丽塑料有限公司 | High-CTI flame-retardant polyphenylether resin composition |
| CN103232702B (en) * | 2013-04-27 | 2018-01-26 | 上海锦湖日丽塑料有限公司 | High CTI flame-retardant polyphenyl ether resin composition |
| CN112778710A (en) * | 2020-12-25 | 2021-05-11 | 金发科技股份有限公司 | high-PTI (polybutylene terephthalate) and high-toughness PBT (polybutylene terephthalate) composition as well as preparation method and application thereof |
| CN113136061A (en) * | 2021-03-26 | 2021-07-20 | 广东聚石化学股份有限公司 | Flame-retardant polyethylene material and preparation method and application thereof |
| CN114702791A (en) * | 2022-03-24 | 2022-07-05 | 国高材高分子材料产业创新中心有限公司 | PBT (polybutylene terephthalate) substrate comparative marking index standard sample and preparation method thereof |
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