CN101580632B - High-gloss high-performance fiber glass reinforced PBT material and preparation method thereof - Google Patents
High-gloss high-performance fiber glass reinforced PBT material and preparation method thereof Download PDFInfo
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- CN101580632B CN101580632B CN2009100402066A CN200910040206A CN101580632B CN 101580632 B CN101580632 B CN 101580632B CN 2009100402066 A CN2009100402066 A CN 2009100402066A CN 200910040206 A CN200910040206 A CN 200910040206A CN 101580632 B CN101580632 B CN 101580632B
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
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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
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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
- B29C48/25—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
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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
- B29C48/25—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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- 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
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- 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
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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
- 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 provides a high-gloss high-performance fiber glass reinforced PBT material and a preparation method thereof. The high-gloss high-performance fiber glass reinforced PBT material consists of the following compositions by weight portion: 30 to 50 portions of PBT resin, 9 to 18 portions of PMMA resin, 5 to 10 portions of special compatible modifier, 10 to 50 portions of glass fiber, 2 to4 portions of special nucleating agent, 3 to 5 portions of special heat resisting agent and 1 to 3 portions of composite coupling agent. The invention also provides a method for preparing the high-gl oss high-performance fiber glass reinforced PBT material, which comprises the following steps: performing dry blending on the special compatible modifier, the special nucleating agent, a special demoulding lubricant and the composite coupling agent in a high-speed mixer; and adding the obtained mixture, SAN resin, PET resin and the glass fiber into a double screw extruder through respective accurately metered feeders, and performing mixing, dispersing, melt extrusion and granulation. The high-gloss high-performance fiber glass reinforced PBT material has the advantages of excellent comprehensive mechanical property and high gloss.
Description
Technical field
The present invention relates to technical field of polymer materials, be specifically related to a kind of high-gloss high-performance fiber glass reinforced PBT material and preparation method thereof.
Background technology
Polybutylene terephthalate is called for short PBT, is formed through polycondensation polymerized by terephthalic acid and butyleneglycol, and its fusing point is 225～235 ℃, belongs to crystalline material.Its mechanical property of enhanced PBT is not general level, but various intensity and all raisings greatly of heat resisting temperature after glass strengthens.PBT after spun glass strengthens can be widely used in automobile, junctor, coil rack, electric appliance casing and other other electronic and electric components.
PMMA polymethylmethacrylate chemistry and physical property PMMA are commonly called as " synthetic glass ", and polymethylmethacrylate (PMMA) is classic organic synthesis transparent material, and transmittance reaches 92%, and mist degree is not more than 2%.PMMA has good comprehensive mechanical properties, and PMMA has good dielectric and electrical insulation capability, excellent arc resistance.The thermotolerance of PMMA and winter hardiness are not high, but ageing-resistant performance is good.PMMA is widely used in fields such as the splinter-proof glass of various light fixtures, illuminating equipment, opticglass, various instrument dial plate, case, scale card, photoconductive fiber, Commdity advertisement show window, billboard, aircraft cockpit glass, aircraft and automobile, various medical, military, glass for building purposes as the transparent material of excellent performance.In recent years, along with PMMA modification and composite technology progress, the Application Areas of PMMA is constantly expanded.
In recent years, market has proposed increasingly high glossiness requirement to attractive in appearance for product of the PBT product in field such as household electrical appliance, office appliance that is applied to the product appearance glossiness is had a requirement.But,, greatly influenced the outward appearance of the finished product owing to the adding of spun glass because of the PBT product generally is to be used for spun glass enhanced occasion.Though also some modified plastics producer has also made many effort on development high gloss fiber glass reinforced PBT both at home and abroad, or glossiness does not reach requirement, or mechanical property is low, effect is all not satisfactory.The present invention under this background, through interpolation PMMA component in the PBT material, and through other special modified method, solved the problems referred to above effectively, and material of the present invention is suitable basically with common enhancing PBT material mechanical performance just.
Summary of the invention
The objective of the invention is to overcome the deficiency that existing PBT material exists, a kind of fiber glass reinforced PBT material of high-gloss high-performance is provided.
Another object of the present invention provides the preparation method of above-mentioned high-gloss high-performance fiber glass reinforced PBT material.
For realizing above purpose, high-gloss high-performance fiber glass reinforced PBT material of the present invention is made up of following component in weight part: 30～50 parts of PBT resins; 9～18 parts of PMMA resins; 5～10 parts of special compatible modifier; 10～50 parts in spun glass; 2～4 parts of extraordinary nucleators; 3～5 parts of extraordinary heat-resistant agents; 1～3 part of composite coupler.
The present invention also provides the preparation method of high-gloss high-performance fiber glass reinforced PBT material, and concrete steps are:
Step 1. was put into high-speed mixer for dry mixing 2～3 minutes with special compatible modifier, extraordinary heat-resistant agent, extraordinary nucleator and composite coupler, 700～900 rev/mins of rotating speeds;
The mixture that step 2. obtains step 1 and PBT resin, PMMA resin and spun glass add twin screw extruder through the feeder of delicate metering separately, mix, disperse, melt extrude, granulation, wherein; The district temperature of twin screw extruder from the spout to the head is 220～240 ℃, and two district's temperature are 230～245 ℃, and three district's temperature are 235～245 ℃; Four district's temperature are 235～250 ℃, and five district's temperature are 220～240 ℃, and six district's temperature are 220～240 ℃; Seven district's temperature are 210～230 ℃; Eight district's temperature are 200～220 ℃, and nine district's temperature are 200～220 ℃, and ten district's temperature are 220～240 ℃; Length-to-diameter ratio was at least 32: 1, and screw speed is 200～450 rev/mins.
Described PBT resin properties viscosity is 1.1～1.3 resin, and this resinoid is owing to have higher viscosity, and from kinetics of crystallization, more full-bodied resin can have relatively slow crystallization rate in molding process.In compound system, can form more non-crystalline region like this, thereby improve the glossiness of whole system.
It is (230 degrees centigrade of 12-18g/10min that the PMMA resin is preferentially selected melt flow rate(MFR) for use; 3.8KG) the interior resin of scope; This scope belongs to LV PMMA category; The improved melt flowing property that it is had in the course of processing can make between itself and PBT resin and resin matrix and spun glass better mixing and merge; Short glass fiber in the system can obtain good relatively dispersion effect in this resin system, can obtain good interface between different material, thereby makes resulting composite have excellent comprehensive mechanical properties.For obtaining better mechanical property, in the mixture of the present invention the weight ratio of PBT resin and PMMA resin be recommended as 2.5: 1～3.5: 1.
The special compatible modifier that the present invention selects for use is selected from ethylene-methyl methacrylate butyl ester and glycidyl acrylate multipolymer.This material has the effect of extraordinary raising toughness of material as a kind of elastomer substances; Can also make the intensity of material itself obtain extraordinary maintenance in addition; The same unlike many conventional toughner, but sacrificed simultaneously intensity and the rigidity etc. of material greatly improving flexible.In addition because this kind material has the various active reactive functional groups; After adding in the compound system of the present invention; Can be at PMMA resin and PBT interlaminar resin, and play good function served as bridge between these two kinds of resins and spun glass, increased the consistency between the system different material greatly; Thereby not only make mixture glossiness of the present invention improve greatly, also make mixture of the present invention have extraordinary comprehensive mechanical property.
Described extraordinary nucleator is selected from diphenylmethylene glucitols or aryl phosphate ester salt.The adding of this special type nucleator can effectively increase crystal density, reduces spherulite size, thereby the transparency of mixture of the present invention is improved.
The multiple copolymer that described extraordinary heat-resistant agent is made up of vinylbenzene, imide and three kinds of monomers of vinyl cyanide.Because of the extremely strong rigid structure of its molecular chain, have very high thermostability, processing fluidity is good, is a kind of polymer heat-proof modifier of excellence.Because of the adding of PMMA, make the heat-drawn wire of whole system obviously descend among the present invention.But the adding through above extraordinary heat-resistant agent in the invention, the effectively decline of inhibition system heat-drawn wire, even can be on the same sea line with the heat resisting temperature of simple glass fiber reinforcement PBT material, thus increased the practical value of this mixture greatly.
Described composite coupler is by tetra isopropyl two (phosphorous acid two bay ester groups) titanic acid ester, N; N-pair-(beta-hydroxyethyl)-γ-aminocarbonyl propyl triethoxyl silane and methacrylic acid chromium complex are composited; Its part by weight is 50: (20-25): (30-25); This compound coupling system is through the synergy of several coupling agents; Can improve between fire retardant and resin matrix greatly, the consistency between resin and glass, improve the interface between resin, glass, auxiliary agent, thereby make the finished product have excellent comprehensive mechanical properties.
Described spun glass is meant the spun glass through extraordinary coupling agent vinyl three t-butylperoxy silane treatment; Through the spun glass after this coupling agent treatment can effectively improve between PBT and spun glass, interfacial state between PMMA and spun glass; Thereby material of the present invention is played good enhancement, and can effectively improve comprehensive mechanical performance of the present invention.
Product of the present invention can adopt international standards to detect.Test sample, by CJ80NC type injection moulding machine 250 ℃ of following injection mouldings.
Compared with prior art, the present invention has following beneficial effect:
High-gloss high-performance fiber glass reinforced PBT material comprehensive mechanical property provided by the invention is excellent, and glossiness is high.Not only on rerum natura, be superior to common fiber glass reinforced PBT comprehensively, and have extraordinary glossiness, can satisfy various application scenarios fully the glossy degree requirement of material.
Embodiment
Specify the present invention below in conjunction with embodiment.
Embodiment 1
A kind of high-gloss high-performance fiber glass reinforced PBT material is made up of following component in weight part: limiting viscosity is 50 parts of 1.1 PBT resins; Melting index be 12g/10min (230 degrees centigrade, 18 parts of PMMA resins 3.8KG); E.I.Du Pont Company's trade mark is 10 parts of the special compatible modifier of Elvaloy PTW; The trade mark of ltd of Jushi Group Co., Ltd. is 10 parts of the glass fibers of ECS13-03-534; 4 parts of the extraordinary nucleators of U.S. Kenrich company commodity JP-3028 (diphenylmethylene glucitols) by name; 5 parts of the extraordinary heat-resistant agents of the trade(brand)name TD-305 of ICI Ltd. company (glyceryl monostearate class); By tetra isopropyl two (phosphorous acid two bay ester groups) titanic acid ester, N, N-is two-(beta-hydroxyethyl)-γ-aminocarbonyl propyl triethoxyl silane and methacrylic acid chromium complex be composited, and its part by weight is 50: 20: 30 3 parts of composite couplers.
Wherein, said spun glass is meant the spun glass through extraordinary coupling agent vinyl three t-butylperoxy silane treatment.
Above-mentioned high-gloss high-performance fiber glass reinforced PBT material is prepared by following method:
Step 1. was put into high-speed mixer for dry mixing 2 minutes with special compatible modifier, extraordinary nucleator, extraordinary heat-resistant agent and composite coupler, 700 rev/mins of rotating speeds;
The mixture that step 2. obtains step 1 and PBT resin, PMMA resin and spun glass add twin screw extruder through the feeder of delicate metering separately, mix, disperse, melt extrude, granulation, wherein; The district temperature of twin screw extruder from the spout to the head is 220 ℃, and two district's temperature are 230 ℃, and three district's temperature are 235 ℃; Four district's temperature are 235 ℃, and five district's temperature are 220 ℃, and six district's temperature are 220 ℃; Seven district's temperature are 210 ℃, and eight district's temperature are 200 ℃, and nine district's temperature are 200 ℃; Ten district's temperature are 220 ℃, and length-to-diameter ratio is 32: 1, and screw speed is 200 rev/mins.
Embodiment 2
A kind of high-gloss high-performance fiber glass reinforced PBT material is made up of following component in weight part: limiting viscosity is 30 parts of 1.3 PBT resins; Melting index be 18g/10min (230 degrees centigrade, 9 parts of PMMA resins 3.8KG); E.I.Du Pont Company's trade mark is 5 parts of the special compatible modifier of Elvaloy PTW; The trade mark of ltd of Jushi Group Co., Ltd. is 50 parts in the spun glass of ECS13-03-534; 2 parts of the extraordinary nucleators of Ferro Corp. company commodity HF-42J (aryl phosphate ester salt) by name; 3 parts of the extraordinary heat-resistant agents of the trade(brand)name TD-305 of ICI Ltd. company; By tetra isopropyl two (phosphorous acid two bay ester groups) titanic acid ester, N, N-is two-(beta-hydroxyethyl)-γ-aminocarbonyl propyl triethoxyl silane and methacrylic acid chromium complex be composited, and its part by weight is 50: 25: 25 1 part of a composite coupler.
Wherein, said spun glass is meant the spun glass through extraordinary coupling agent vinyl three t-butylperoxy silane treatment.Above-mentioned a kind of high-gloss high-performance fiber glass reinforced PBT material is prepared by following method:
Step 1. was put into high-speed mixer for dry mixing 3 minutes with special compatible modifier, extraordinary nucleator, extraordinary heat-resistant agent and composite coupler, 900 rev/mins of rotating speeds;
The mixture that step 2. obtains step 1 and PBT resin, PMMA resin and spun glass add twin screw extruder through the feeder of delicate metering separately, mix, disperse, melt extrude, granulation, wherein; The district temperature of twin screw extruder from the spout to the head is 240 ℃, and two district's temperature are 245 ℃, and three district's temperature are 245 ℃; Four district's temperature are 250 ℃, and five district's temperature are 240 ℃, and six district's temperature are 240 ℃; Seven district's temperature are 230 ℃, and eight district's temperature are 220 ℃, and nine district's temperature are 220 ℃; Ten district's temperature are 240 ℃, and length-to-diameter ratio is 36: 1, and screw speed is 450 rev/mins.
Embodiment 3
A kind of high-gloss high-performance fiber glass reinforced PBT material is made up of following component in weight part: appearance company limiting viscosity is 40 parts of 1.2 PBT resin PBT S3120; The strange melting index in river rising in Ningxia and flowing into central Shaanxi, Shanghai be 15g/10min (230 degrees centigrade, trade mark 3.8KG) is 15 parts of MG515 PMMA resins; E.I.Du Pont Company's trade mark is 8 parts of the special compatible modifier of Elvaloy PTW; The trade mark of ltd of Jushi Group Co., Ltd. is 30 parts in the spun glass of ECS13-03-534; 3 parts of the extraordinary nucleators of U.S. Kenrich company commodity JP-3028 (diphenylmethylene glucitols) by name; 4 parts of the extraordinary heat-resistant agents of the trade(brand)name TD-305 of ICI Ltd. company (glyceryl monostearate class); By tetra isopropyl two (phosphorous acid two bay ester groups) titanic acid ester, N, N-is two-(beta-hydroxyethyl)-γ-aminocarbonyl propyl triethoxyl silane and methacrylic acid chromium complex be composited, and its part by weight is 50: 23: 27 2 parts of composite couplers.
Wherein, said spun glass is meant the spun glass through extraordinary coupling agent vinyl three t-butylperoxy silane treatment.
Step 1. just special compatible modifier, extraordinary nucleator, extraordinary heat-resistant agent and composite coupler was put into high-speed mixer for dry mixing 2.5 minutes, 800 rev/mins of rotating speeds;
The mixture that step 2. obtains step 1 and PBT resin, PMMA resin and spun glass add twin screw extruder through the feeder of delicate metering separately, mix, disperse, melt extrude, granulation, wherein; The district temperature of twin screw extruder from the spout to the head is 225 ℃, and two district's temperature are 240 ℃, and three district's temperature are 240 ℃; Four district's temperature are 245 ℃, and five district's temperature are 230 ℃, and six district's temperature are 230 ℃; Seven district's temperature are 220 ℃, and eight district's temperature are 210 ℃, and nine district's temperature are 210 ℃; Ten district's temperature are 230 ℃, and length-to-diameter ratio is 40: 1, and screw speed is 350 rev/mins.
Product performance detected result see the following form (comparing) among the embodiment 1-3 with common material:
Claims (6)
1. a high-gloss high-performance fiber glass reinforced PBT material is characterized in that, is made up of following component in weight part:
30～50 parts of PBT resins;
9～18 parts of PMMA resins;
5～10 parts of special compatible modifier;
10～50 parts in spun glass;
2～4 parts of extraordinary nucleators;
3～5 parts of extraordinary heat-resistant agents;
1～3 part of composite coupler;
Said special compatible modifier is ethylene-methyl methacrylate butyl ester and glycidyl acrylate multipolymer;
Said extraordinary nucleator is diphenylmethylene glucitols or aryl phosphate ester salt nucleator;
Said extraordinary heat-resistant agent is the multiple copolymer that vinylbenzene, imide and three kinds of monomers of vinyl cyanide are formed;
Said composite coupler is by tetra isopropyl two (phosphorous acid two bay ester groups) titanic acid ester, N; N-pair-(beta-hydroxyethyl)-γ-aminocarbonyl propyl triethoxyl silane and methacrylic acid chromium complex are composited, and its part by weight is 50: (20-25): (30-25).
2. high-gloss high-performance fiber glass reinforced PBT material as claimed in claim 1 is characterized in that, described PBT resin properties viscosity is 1.1～1.3dl/g.
3. high-gloss high-performance fiber glass reinforced PBT material as claimed in claim 1 is characterized in that, described PMMA resin is at 230 degrees centigrade, and melt flow rate(MFR) is 12-18g/10min under the 3.8KG counterweight condition.
4. high-gloss high-performance fiber glass reinforced PBT material as claimed in claim 1 is characterized in that, the weight ratio of said PBT resin and PMMA resin is 2.5: 1～3.5: 1.
5. high-gloss high-performance fiber glass reinforced PBT material as claimed in claim 1 is characterized in that, said spun glass is meant the spun glass through extraordinary coupling agent treatment, and said extraordinary coupling agent is vinyl three t-butylperoxy silane.
6. the preparation method of the said high-gloss high-performance fiber glass reinforced PBT material of claim 1 is characterized in that comprising the steps:
Step 1. was put into high-speed mixer for dry mixing 2～3 minutes with special compatible modifier, extraordinary heat-resistant agent, extraordinary nucleator and composite coupler, 700～900 rev/mins of rotating speeds;
The mixture that step 2. obtains step 1 and PBT resin, PMMA resin and spun glass add twin screw extruder through the feeder of delicate metering separately, mix, disperse, melt extrude, granulation, wherein; The district temperature of twin screw extruder from the spout to the head is 220～240 ℃, and two district's temperature are 230～245 ℃, and three district's temperature are 235～245 ℃; Four district's temperature are 235～250 ℃, and five district's temperature are 220～240 ℃, and six district's temperature are 220～240 ℃; Seven district's temperature are 210～230 ℃; Eight district's temperature are 200～220 ℃, and nine district's temperature are 200～220 ℃, and ten district's temperature are 220～240 ℃; Length-to-diameter ratio was at least 32: 1, and screw speed is 200～450 rev/mins.
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| CN2009100402066A CN101580632B (en) | 2009-06-12 | 2009-06-12 | High-gloss high-performance fiber glass reinforced PBT material and preparation method thereof |
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| CN2009100402066A CN101580632B (en) | 2009-06-12 | 2009-06-12 | High-gloss high-performance fiber glass reinforced PBT material and preparation method thereof |
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| CN101580632B true CN101580632B (en) | 2012-02-08 |
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|---|---|---|---|---|
| WO2019034368A1 (en) | 2017-08-16 | 2019-02-21 | Arcelik Anonim Sirketi | Glass fiber reinforced pbt/pet blend materials |
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| CN107088978A (en) * | 2017-06-05 | 2017-08-25 | 岳西县同兴尼龙橡胶制品有限公司 | A kind of auxiliary injection molding forming method of PBT glass fibres water |
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2009
- 2009-06-12 CN CN2009100402066A patent/CN101580632B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019034368A1 (en) | 2017-08-16 | 2019-02-21 | Arcelik Anonim Sirketi | Glass fiber reinforced pbt/pet blend materials |
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| CN101580632A (en) | 2009-11-18 |
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