CN103382297B - Fine REINFORCED PET/polyester alloy of a kind of low warpage carbon and preparation method thereof - Google Patents
Fine REINFORCED PET/polyester alloy of a kind of low warpage carbon and preparation method thereof Download PDFInfo
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Abstract
The present invention discloses fine REINFORCED PET/polyester alloy of a kind of low warpage carbon and preparation method thereof, described PET/ polyester alloy counts by weight percentage by 40-65%PET, 7-30% polyester, 0.5-1.5% polyester nucleator, 10-40% carbon fiber, 3-10% compatilizer, 0.5-1% oxidation inhibitor and 0.5-1% lubricant composition.First namely PET, polyester, polyester nucleator, compatilizer, oxidation inhibitor and lubricant are put into high-speed mixer and mixing 3-5 minute by its preparation method, then added by twin screw extruder first paragraph cylindrical shell, then carbon fiber is added by twin screw extruder the 4th section of cylindrical shell, then the rotating speed controlling twin screw extruder is 35-40Hz, temperature is 240-250 DEG C and carries out extruding pelletization, must have the fine REINFORCED PET/polyester alloy of low warpage carbon that mechanical property is high, shaping cycle is short, product appearance is good.
Description
Technical field
The present invention relates to fine REINFORCED PET/polyester alloy of a kind of low warpage carbon and preparation method thereof, belong to polymeric material field.
Background technology
Poly terephthalic acid second methyl alcohol ester (hereinafter referred to as PET) has excellent mechanical property, resistance toheat, electrical property and chemical stability, and is a kind of thermoplastic engineering plastic of cheapness.But due to easy warpage and longer shaping cycle, limit its range of application to a great extent.Investigator had done large quantity research to PET blending and modifying both at home and abroad in the last few years, and had a lot of alloying product in market sale, but this type of alloy is still subject to the impact of interlaminar resin consistency, and mechanical property is poor, then there is not problems in PET/ polyester alloy, and cost is lower.Therefore PET/ polyester alloy becomes new exploitation focus.
But, PET, Poly(Trimethylene Terephthalate) (hereinafter referred to as PTT), poly-to stupid dioctyl phthalate butanediol ester (hereinafter referred to as PBT) with gather 2,6-(ethylene naphthalate) (hereinafter referred to as PEN) although etc. the consistency between polyester fine, crystal property each other differs greatly.In order to shorten this gap, optimized alloy performance, just needs to use nucleator.Nucleator in the market can be divided into inorganic, organic and polymer three class, although they can improve the crystallization rate of polyester, improves mechanical property and processing characteristics, and product still exists easy warpage, high in cost of production problems.Therefore prior art still haves much room for improvement and improves.
Carbon fiber not only has the intrinsic intrinsic property of carbon material, has again the soft workability of textile fibres concurrently.Its proportion is less than 1/4 of steel, but intensity is very high, is fortifying fibre of new generation.Compared with traditional glass fibre (GF), the Young's modulus of carbon fiber be its more than 3 times, and insoluble swollen in organic solvent, acid, alkali, solidity to corrosion is very unoutstanding.Carbon fiber can use polyacrylonitrile fibre, pitch fibers, viscose yarn or phenolic fibre to obtain through carbonization respectively, can be divided into long filament, staple fibre and chopped strand by state; Universal and high-performance type is divided into by mechanical property.Common carbon fiber intensity is 1000 MPas (MPa), modulus is about 100GPa.High-performance carbon fibers is divided into again high-strength (intensity 2000MPa, modulus 250GPa) and high model (more than modulus 300GPa), and what intensity was greater than 4000MPa is also called superelevation strong type: what modulus was greater than 450GPa is called superelevation model.
Chinese patent literature CN102241875A discloses a kind of filling enhancement type PET/PBT alloy material extremely preparation method, described matrix material is followed successively by by weight percentage: PET resin 20 parts, PBT resin 60 parts, filling talcum powder 20 parts, compounded lubricant 0.8 part, composite antioxidant 0.3 part, toughner 1 part, preparation technology is that twin screw melt extrudes granulation.This invention is by PET and PBT blending and modifying and add and fill talcum powder enhancing modified, and obtain a kind of mechanical property excellent, creep is little, and dimensional stability is splendid and filling REINFORCED PET/PBT alloy material that cost performance is very high.
Chinese patent literature CN 102352092A discloses a kind of flame-proof glass fibre REINFORCED PET/PTT/PBT alloy material and preparation method thereof, and the raw material of employing and mass fraction thereof are: PET10 ~ 30 part; PTT10 ~ 30 part; PBT20 ~ 40 part; Compatilizer 3 ~ 10 parts; Composite flame-retardant agent 5 ~ 20 parts; 0.1 ~ 0.5 part, oxidation inhibitor; Lubricant 0.1 ~ 0.5 part; 10 ~ 30 parts, glass fibre; All raw materials are put into high efficient mixer mixing discharging after 5-10 minute; The raw material mixed is put into screw machine to extrude and water-cooled granulation.The product that this invention is produced has PET/PTT/PBT alloy, excellent fireproof performance, crystallization velocity is fast, comprehensive physical better mechanical property, shrinking percentage are low, dimensional stabilizing, low warpage, surface gloss are high, and the features such as processing characteristics excellence, under certain occasion, alternative flame-retardant enhanced PBT material or bakelite use.
But above-mentioned various alloy materials all exist the too low problem of PET content, this will make the cost of alloy increase; Do not use nucleator that the crystal property of alloy can be made to decline, thus affect shaping cycle; In addition, glass fibre not to have carbon fiber excellent improving yet in the warpage of alloy material, intensity and thermal distortion etc., and the present invention is just in order to head it off proposes.
Summary of the invention
The object of the invention is to provide a kind of low warpage carbon fine REINFORCED PET/polyester alloy to solve the technical problems such as above-mentioned alloy material shaping cycle is long, mechanical property is not enough.
Another object of the present invention is to provide the preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one.
Technical scheme of the present invention
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 40-65%
Polyester 7-30%
Polyester nucleator 0.5-1.5%
Carbon fiber 10-40%
Compatilizer 3-10%
Oxidation inhibitor 0.5-1%
Lubricant 0.5-1%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate, Poly(Trimethylene Terephthalate) or poly-2,6-(ethylene naphthalate);
Described polyester nucleator is the mixture that nano level Ervasil (Godecke), organo montmorillonite or Ervasil (Godecke) and organo montmorillonite form;
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the Carbon fibe of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is ethylene-methyl acrylate-glyceryl methacrylate terpolymer;
Described oxidation inhibitor is irgasfos 168 or antioxidant 1010;
Described lubricant is the mixture of one or more compositions of paraffin, polyethylene wax or Poly Propylene Wax.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by PET, polyester, polyester nucleator, compatilizer, oxidation inhibitor and lubricant put into high-speed mixer and mixing 3-5min, then added by twin screw extruder first paragraph cylindrical shell;
(2), carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 35-40Hz, and temperature is 240-250 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
Beneficial effect of the present invention
Fine REINFORCED PET/the polyester alloy of the low warpage carbon of one of the present invention, owing to adopting polyester nucleator in preparation process, improves the crystal property of polyester alloy, thus shortens the shaping cycle of the fine REINFORCED PET/polyester alloy of low warpage carbon.
Further, the fine REINFORCED PET/polyester alloy of the low warpage carbon of one of the present invention, owing to have employed high-strength carbon fiber in preparation process, eliminates the shortcoming of the easy warpage of polyester material while significantly promoting mechanical property.
Further, fine REINFORCED PET/the polyester alloy of the low warpage carbon of one of the present invention, owing to have employed ethylene-methyl acrylate-glyceryl methacrylate terpolymer compatilizer in preparation process, thus the consistency enhanced between resin matrix and carbon fibre, optimize the overall performance of material, improve the outward appearance of product.Further, the fine REINFORCED PET/polyester alloy of low warpage carbon of the present invention has good mechanical property, can replace expensive special engineering plastics, be with a wide range of applications in some occasion.
Embodiment
Below by specific embodiment, the present invention is further elaborated, but does not limit the present invention.
PET used in various embodiments of the present invention is the PET-CB-602 of Shanghai Yuan Fang Industrial Co., Ltd;
Poly-is the PBT-2002 of Polyplastics company to stupid dioctyl phthalate butanediol ester PBT;
Poly(Trimethylene Terephthalate) PTT is the 4700-TFE-10 of RTP company of the U.S.;
Polyethylene glycol 2，6-naphthalene dicarboxylate PEN is the TN-8065S of Japanese Di Ren company;
Ervasil (Godecke) is the JC-C503 of Changzhou Jiuchuan Nano Material Technology Co., Ltd.;
Organo montmorillonite is that Tianjin Yan Dong mineral products company limited produces;
Carbon fiber is the T300 of toray company;
Ethylene-methyl acrylate-glyceryl methacrylate terpolymer is the AX8900 of French Arkema;
Irgasfos 168 and antioxidant 1010 are that BASF Aktiengesellschaft produces;
Paraffin is that Shijiazhuang Yi Ma Chemical Co., Ltd. produces;
Polyethylene wax and Poly Propylene Wax are that Shanghai Ke Maide Industrial Co., Ltd. produces.
Tensile strength in various embodiments of the present invention, elongation at break, flexural strength, modulus in flexure, shock strength, heat-drawn wire (1.82MPa), molding shrinkage (disk) measure the model of instrument used and manufacturer's information as follows.
Universal electrical tensile testing machine: CMT6104 type, group company is newly thought carefully in Shenzhen;
Izodtest instrument: XJV5.5 type, Chengde Jinjian Testing Instrument Co., Ltd.;
Heat-drawn wire determinator: XWB-300A, Chengde Ke Cheng trier company limited;
Electronic digital display vernier callipers: 500-196-20, three rich companies of Japan.
embodiment 1
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 58.8%
Polyester 25.2%
Polyester nucleator 1.5%
Carbon fiber 10%
Compatilizer 3%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polyethylene glycol 2，6-naphthalene dicarboxylate;
Described polyester nucleator is Ervasil (Godecke) and organo montmorillonite, calculates in mass ratio, i.e. Ervasil (Godecke): organo montmorillonite is the mixture that the ratio of 1:2 forms;
Described carbon fiber is high-strength Carbon fibe, and its tensile strength is 3000-4000MPa, and its tensile strength is 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is irgasfos 168;
Described lubricant is paraffin.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by 58.8%PET, 25.2% polyester, 1.5% polyester nucleator be made up of 0.5% Ervasil (Godecke) and 1% organo montmorillonite, 3% compatilizer, 1% oxidation inhibitor and 0.5% lubricant put into high-speed mixer and mixing 5min, then added by twin screw extruder first paragraph cylindrical shell;
(2), 10% carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 40Hz, and temperature is 250 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
embodiment 2
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 62.4%
Polyester 15.6%
Polyester nucleator 0.5%
Carbon fiber 15%
Compatilizer 5%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is Poly(Trimethylene Terephthalate);
Described polyester nucleator is organo montmorillonite;
Described carbon fiber is high-strength Carbon fibe, and its tensile strength is 3000-4000MPa, and its tensile strength is 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is polyethylene wax.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by 62.4%PET, 15.6% polyester, 0.5% polyester nucleator, 5% compatilizer, 1% oxidation inhibitor and 0.5% lubricant put into high-speed mixer and mixing 5min, then added by twin screw extruder first paragraph cylindrical shell;
(2), 15% carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 40Hz, and temperature is 245 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
embodiment 3
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 63.9%
Polyester 7.1%
Polyester nucleator 0.5%
Carbon fiber 20%
Compatilizer 7%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is Poly(Trimethylene Terephthalate);
Described polyester nucleator is Ervasil (Godecke);
Described carbon fiber is high-strength Carbon fibe, and its tensile strength is 3000-4000MPa, and its tensile strength is 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is that polyethylene wax and Poly Propylene Wax calculate in mass ratio, i.e. polyethylene wax: Poly Propylene Wax is the mixture that the ratio of 1:1 forms.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by 63.9%PET, 7.1% polyester, 0.5% polyester nucleator, 7% compatilizer, 1% oxidation inhibitor and 0.5% lubricant put into high-speed mixer and mixing 5min, then added by twin screw extruder first paragraph cylindrical shell;
(2), 20% carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 40Hz, and temperature is 240 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
embodiment 4
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 64.3%
Polyester 7.2%
Polyester nucleator 1%
Carbon fiber 20%
Compatilizer 6%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate;
Described polyester nucleator is organo montmorillonite;
Described carbon fiber is high-strength Carbon fibe, and its tensile strength is 3000-4000MPa, and its tensile strength is 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is polyethylene wax and Poly Propylene Wax is the mixture of 1:1 composition in mass ratio.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by the PET of 64.3%, 7.2% polyester, 1% polyester nucleator, 6% compatilizer, 1% oxidation inhibitor and 0.5% lubricant put into high-speed mixer and mixing 3min, then added by twin screw extruder first paragraph cylindrical shell;
(2), 20% carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 40Hz, and temperature is 240 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
embodiment 5
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 50.6%
Polyester 8.9%
Polyester nucleator 1%
Carbon fiber 30%
Compatilizer 8%
Oxidation inhibitor 0.5%
Lubricant 1%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate;
Described polyester nucleator is that Ervasil (Godecke) and organo montmorillonite calculate in mass ratio, i.e. Ervasil (Godecke): organo montmorillonite is the mixture of 1:1 composition;
Described carbon fiber is high-strength Carbon fibe, and its tensile strength is 3000-4000MPa, and its tensile strength is 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is irgasfos 168;
Described lubricant is that paraffin and polyethylene wax calculate in mass ratio, i.e. paraffin: polyethylene wax is the mixture that the ratio of 1:1 forms.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by 50.6%PET, 8.9% polyester, 1% polyester nucleator, 8% compatilizer, 0.5% oxidation inhibitor and 1% lubricant put into high-speed mixer and mixing 4min, then added by twin screw extruder first paragraph cylindrical shell;
(2), 30% carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 35Hz, and temperature is 250 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
embodiment 6
Fine REINFORCED PET/the polyester alloy of a kind of low warpage carbon, count by weight percentage, composition and the content of its raw material are as follows:
PET 40.4%
Polyester 7.1%
Polyester nucleator 1%
Carbon fiber 40%
Compatilizer 10%
Oxidation inhibitor 0.5%
Lubricant 1%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate;
Described polyester nucleator is that Ervasil (Godecke) and organo montmorillonite calculate in mass ratio, i.e. Ervasil (Godecke): organo montmorillonite is the mixture of 7:3 composition;
Described carbon fiber is high-strength Carbon fibe, and its tensile strength is 3000-4000MPa, and its tensile strength is 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is paraffin and Poly Propylene Wax is the mixture of 1:1 composition in mass ratio.
The preparation method of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-mentioned one, specifically comprises the following steps:
(1), by 40.4%PET, 7.1% polyester, 1% polyester nucleator be made up of 0.7% Ervasil (Godecke) and 0.3% organo montmorillonite, 10% compatilizer, 0.5% oxidation inhibitor and 1% lubricant put into high-speed mixer and mixing 5min, then added by twin screw extruder first paragraph cylindrical shell;
(2), 40% carbon fiber is added by twin screw extruder the 4th section of cylindrical shell;
(3), to control the rotating speed of twin screw extruder be 35Hz, and temperature is 250 DEG C and carries out extruding pelletization, obtains the fine REINFORCED PET/polyester alloy of low warpage carbon.
To tensile strength, the fracture of the fine REINFORCED PET/polyester alloy of the low warpage carbon of above-described embodiment 1-6 gained
Elongation, flexural strength, modulus in flexure, shock strength, heat-drawn wire (1.82MPa), molding shrinkage (disk) detect, and it the results are shown in following table 1:
As can be seen from upper table 1, along with the increase of carbon fiber content, the tensile strength of the fine REINFORCED PET/polyester alloy material of low warpage carbon of gained, flexural strength, modulus in flexure, shock strength and heat-drawn wire improve thereupon, elongation at break then changes not quite, and molding shrinkage also remains in lower scope.
Further, by comparing discovery to embodiment 3 and 4, (be 20%) when carbon fiber content is consistent, (PET: polyester is about 9 under identical proportioning; 1), fine REINFORCED PET/the polyester alloy of low warpage carbon of embodiment 3 gained has more advantage in shock strength and heat-drawn wire, and the fine REINFORCED PET/polyester alloy of the low warpage carbon of embodiment 4 gained is relative better in stretching with flexural strength, the molding shrinkage of the two is consistent, and minimum in several groups of embodiments.Show thus, the mechanical property of carbon fiber content and PET polyester alloy is proportionate trend, and it effectively can reduce the molding shrinkage of material, thus improves warpage; And different types of polyester is also not quite similar to the improvement of PET alloy properties, suitable polyester should be selected in actual applications as the case may be to carry out modification.
In sum, the fine REINFORCED PET/polyester alloy of the low warpage carbon of one of the present invention, has the features such as mechanical property is good, heat-drawn wire is high, molding shrinkage low (low warpage).Present invention employs suitable nucleator, compatilizer and carbon fiber, improve the consistency between PET and carbon fiber, optimize the mechanical property of alloy, processing characteristics and apparent property, expensive special engineering plastics can be replaced in some occasion, be with a wide range of applications.
The above is only preferred case study on implementation of the present invention; it should be noted that, for the those skilled in the art in this field, under the prerequisite not departing from the inventive method; also can make a little supplementing and improvement, these supplement and improve and also should be considered as protection scope of the present invention.
Claims (6)
1. the fine REINFORCED PET/polyester alloy of low warpage carbon, it is characterized in that counting by weight percentage, composition and the content of its raw material are as follows:
PET 58.8%
Polyester 25.2%
Polyester nucleator 1.5%
Carbon fiber 10%
Compatilizer 3%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polyethylene glycol 2，6-naphthalene dicarboxylate;
Described polyester nucleator is Ervasil (Godecke) and organo montmorillonite is the mixture of 1:2 composition in mass ratio;
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the carbon fiber of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is irgasfos 168;
Described lubricant is paraffin.
2. the fine REINFORCED PET/polyester alloy of low warpage carbon, it is characterized in that counting by weight percentage, composition and the content of its raw material are as follows:
PET 62.4%
Polyester 15.6%
Polyester nucleator 0.5%
Carbon fiber 15%
Compatilizer 5%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is Poly(Trimethylene Terephthalate);
Described polyester nucleator is organo montmorillonite;
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the carbon fiber of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is polyethylene wax.
3. the fine REINFORCED PET/polyester alloy of low warpage carbon, it is characterized in that counting by weight percentage, composition and the content of its raw material are as follows:
PET 63.9%
Polyester 7.1%
Polyester nucleator 0.5%
Carbon fiber 20%
Compatilizer 7%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is Poly(Trimethylene Terephthalate);
Described polyester nucleator is Ervasil (Godecke);
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the carbon fiber of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is polyethylene wax and Poly Propylene Wax is the mixture of 1:1 composition in mass ratio.
4. the fine REINFORCED PET/polyester alloy of low warpage carbon, it is characterized in that counting by weight percentage, composition and the content of its raw material are as follows:
PET 64.3%
Polyester 7.2%
Polyester nucleator 1%
Carbon fiber 20%
Compatilizer 6%
Oxidation inhibitor 1%
Lubricant 0.5%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate;
Described polyester nucleator is organo montmorillonite;
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the carbon fiber of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is polyethylene wax and Poly Propylene Wax is the mixture of 1:1 composition in mass ratio.
5. the fine REINFORCED PET/polyester alloy of low warpage carbon, it is characterized in that counting by weight percentage, composition and the content of its raw material are as follows:
PET 50.6%
Polyester 8.9%
Polyester nucleator 1%
Carbon fiber 30%
Compatilizer 8%
Oxidation inhibitor 0.5%
Lubricant 1%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate;
Described polyester nucleator is that Ervasil (Godecke) and organo montmorillonite calculate in mass ratio, i.e. Ervasil (Godecke): organo montmorillonite is the mixture of 1:1 composition;
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the carbon fiber of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is irgasfos 168;
Described lubricant is paraffin and polyethylene wax is the mixture of 1:1 composition in mass ratio.
6. the fine REINFORCED PET/polyester alloy of low warpage carbon, it is characterized in that counting by weight percentage, composition and the content of its raw material are as follows:
PET 40.4%
Polyester 7.1%
Polyester nucleator 1%
Carbon fiber 40%
Compatilizer 10%
Oxidation inhibitor 0.5%
Lubricant 1%;
Described PET is polyethylene terephthalate, and viscosity is 0.8-0.9dl/g;
Described polyester is polybutylene terephthalate;
Described polyester nucleator is that Ervasil (Godecke) and organo montmorillonite calculate in mass ratio, i.e. Ervasil (Godecke): organo montmorillonite is the mixture of 7:3 composition;
Described carbon fiber is tensile strength 3000-4000MPa, and tensile strength is the carbon fiber of 1.5-2.0% with the ratio of rigidity;
Described compatilizer is AX8900;
Described oxidation inhibitor is antioxidant 1010;
Described lubricant is paraffin and Poly Propylene Wax is the mixture of 1:1 composition in mass ratio.
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| CN109867919A (en) * | 2017-12-04 | 2019-06-11 | 广州汽车集团股份有限公司 | Polyethylene terephthalate composite material, product and preparation method |
| CN108570223B (en) * | 2018-05-09 | 2019-11-29 | 东华大学 | A kind of carbon-fiber-reinforced polyester composite material and preparation method thereof |
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| CN102875979A (en) * | 2011-07-13 | 2013-01-16 | 鸿富锦精密工业（深圳）有限公司 | Resin composition |
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