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CN113292827A - PBT/PET alloy material and preparation method thereof - Google Patents

PBT/PET alloy material and preparation method thereof Download PDF

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Publication number
CN113292827A
CN113292827A CN202110399616.0A CN202110399616A CN113292827A CN 113292827 A CN113292827 A CN 113292827A CN 202110399616 A CN202110399616 A CN 202110399616A CN 113292827 A CN113292827 A CN 113292827A
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pbt
alloy material
pet
pet alloy
polyamide resin
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苏健新
郭丽
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Shenzhen Gk Plastics Co ltd
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Shenzhen Gk Plastics Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/02—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonates or saturated polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/04—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonamides, polyesteramides or polyimides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/068—Ultra high molecular weight polyethylene

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The application relates to the field of alloy materials, and particularly discloses a PBT/PET alloy material and a preparation method thereof. The PBT/PET alloy material comprises, by weight, 25-40 parts of PBT, 30-60 parts of PET, 3-6 parts of ultrahigh molecular weight polyethylene, 3-15 parts of polyamide resin, 0.2-0.35 part of nucleating agent and 0.3-3 parts of acrylate; the preparation method comprises the following steps: s1, respectively dehumidifying and drying PBT, PET, ultra-high molecular weight polyethylene and polyamide resin; s2, mixing the dried PBT, PET, ultra-high molecular weight polyethylene, polyamide resin, nucleating agent and acrylate to obtain a mixture, and then extruding the mixture to obtain the PBT/PET alloy material. The PBT/PET alloy material has high thermal deformation temperature and high deformation temperature stability.

Description

PBT/PET alloy material and preparation method thereof
Technical Field
The application relates to the field of alloy materials, in particular to a PBT/PET alloy material and a preparation method thereof.
Background
PBT is short for polybutylene terephthalate, PET is short for polyethylene terephthalate, and the two are thermoplastic resins developed in the 20 th century, have the advantages of high temperature resistance, chemical corrosion resistance, high elasticity, excellent electrical insulation and the like, and have good mechanical properties in a wide temperature range. Because the glass transition temperature of the PBT is low, the PBT is easy to cause uneven cooling and heating, and deformation is caused; because of the slow crystallization rate and the long molding cycle of PET, these disadvantages limit the applications of both.
People blend PBT and PET to prepare a PBT/PET alloy material so as to integrate respective performances of the PBT and the PET and make up for the defects of single component in performance. The PBT/PET alloy material has the advantages of PBT and PET, and has a wide application range. The pure PBT/PET alloy material is mainly used for spinning, and has the advantages of easy dyeing, high elasticity and soft hand feeling. The reinforced PBT/PET alloy material is widely applied to the engineering plastic industry, and has the advantages of high strength, high rigidity, moisture resistance, solvent resistance, excellent electrical property and the like. The PBT/PET alloy material reinforced by the filler has excellent high-temperature resistance, is commonly used for high-temperature resistant parts of automobile headlamp inner decorative rings and household appliances, has higher glossiness, and is commonly used for manufacturing automobile door handles, exterior viewers and the like. In a word, the PBT/PET alloy material is widely applied to the fields of textiles, household appliances, automobiles and the like.
When the PBT/PET alloy material is manufactured, the problems of low deformation temperature, large shrinkage rate, notch sensitivity and the like often occur, so that the PBT/PET alloy material has poor toughness and high brittleness, and the application of the PBT/PET alloy material is limited. People often improve the performance of PBT/PET alloy materials by adding flame retardant, solubilizer, nucleating agent and filler into the raw materials. The flame retardant has certain toxicity, and in order to meet the requirements of people on green environmental protection, people are dedicated to developing green environmental-protection PBT/PET alloy materials. For example, Chinese patent with publication number CN103709663A proposes a PBT/PET alloy material, which comprises the following components in percentage by mass: 20% -50% of PET, 20% -50% of PBT, 20% -30% of glass fiber, 15% -25% of halogen-free flame retardant, 0.5% -1% of nucleating agent, 1% -3% of lubricating dispersant, 0.1% -0.5% of coupling agent and 0.1% -1% of antioxidant, and the thermal deformation temperature of the PBT/PET alloy material is improved through polyvinyl alcohol fiber.
In view of the above-mentioned related art, the inventors found in practical use that: although the thermal deformation temperature of the PBT/PET alloy material is reduced to a certain extent, the PBT/PET alloy material has the problem of poor thermal deformation temperature stability in actual production.
Disclosure of Invention
In order to improve the thermal deformation temperature stability of the PBT/PET alloy material, the PBT/PET alloy material and the preparation method thereof are provided.
In a first aspect, the application provides a PBT/PET alloy material and a preparation method thereof, and the following technical scheme is adopted: the PBT/PET alloy material comprises, by weight, 25-40 parts of PBT, 30-60 parts of PET, 3-6 parts of ultrahigh molecular weight polyethylene, 3-15 parts of polyamide resin, 0.2-0.35 part of nucleating agent and 0.3-3 parts of acrylate.
By adopting the technical scheme, because the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate are added into the PBT/PET alloy material, the ultrahigh molecular weight polyethylene is of a linear structure, has high compatibility with the PBT and PET materials, and is in synergistic effect with the polyamide resin and the acrylate to form a three-dimensional network structure through mutual cross-linking association, the heat deformation temperature of the PBT/PET alloy material and the stability of the heat deformation temperature of the PBT/PET alloy material are improved.
Preferably, the average molecular weight of the ultra-high molecular weight polyethylene is 370-550 ten thousand.
By adopting the technical scheme, the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is further enhanced by controlling the average molecular weight of the ultra-high molecular weight polyethylene, and the heat distortion temperature of the PBT/PET alloy material and the heat distortion temperature stability of the PBT/PET alloy material are improved.
Preferably, the polyamide resin is a homopolymer polyamide resin.
By adopting the technical scheme, the compatibility of the homopolymer polyamide resin and the ultrahigh molecular weight polyethylene is high, so that the interaction among the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate is strong, and the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved.
Preferably, the homopolymer polyamide resin is a single monomer homopolymer polyamide resin.
By adopting the technical scheme, the compatibility of the single monomer homopolymer polyamide resin and the ultrahigh molecular weight polyethylene is higher, the interaction among the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate is further enhanced, and the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved.
Preferably, the single monomer homopolymer polyamide resin is a mixture of PA11 and PA 12.
By adopting the technical scheme, the PA11 and the PA12 are compounded, so that the interaction among the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate is enhanced, and the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved.
Preferably, the weight ratio of the PA11 to the PA12 is (1-3): 1.
by adopting the technical scheme, the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylic ester is further enhanced by controlling the weight ratio of the PA11 to the PA12, and the heat deformation temperature of the PBT/PET alloy material and the stability of the heat deformation temperature of the PBT/PET alloy material are improved.
Preferably, the nucleating agent is ADK STAB NA-21.
By adopting the technical scheme, the compatibility of the ADK STAB NA-21 type nucleating agent and the PBT/PET alloy material is high, the interaction among the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylic ester is enhanced, and the heat deformation temperature of the PBT/PET alloy material and the stability of the heat deformation temperature of the PBT/PET alloy material are improved.
Preferably, the acrylate is a mixture of ethyl acrylate and ethyl 3, 3-dimethacrylate.
By adopting the technical scheme, the compatibility among the raw materials is improved by compounding the ethyl acrylate and the 3, 3-ethyl dimethacrylate, the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is enhanced, and the heat deformation temperature of the PBT/PET alloy material and the stability of the heat deformation temperature of the PBT/PET alloy material are improved.
In a second aspect, the application provides a preparation method of a PBT/PET alloy material, which adopts the following technical scheme: a preparation method of a PBT/PET alloy material comprises the following preparation steps:
s1, respectively dehumidifying and drying PBT, PET, ultra-high molecular weight polyethylene and polyamide resin;
s2, mixing the dried PBT, PET, ultra-high molecular weight polyethylene, polyamide resin, nucleating agent and acrylate to obtain a mixture, and then extruding the mixture to obtain the PBT/PET alloy material.
By adopting the technical scheme, the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate are added into the PBT/PET alloy material, so that the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved, the preparation method is simple, and the operation is convenient.
In summary, the present application has the following beneficial effects:
1. due to the addition of the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate which have synergistic effects, the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved;
2. homopolymer polyamide resin is preferably adopted in the alloy material, the compatibility of the homopolymer polyamide resin and the ultrahigh molecular weight polyethylene is high, so that the interaction among the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate is strong, and the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved;
3. the method is simple, convenient and easy to operate.
Detailed Description
The present application is further illustrated by the following examples, wherein the sources of the raw materials used in the present application are shown in Table 1.
TABLE 1 sources of raw materials used in the present application
Figure BDA0003019913840000031
Figure BDA0003019913840000041
Examples
Example 1
The PBT/PET alloy material comprises the following preparation steps:
s1, drying PBT and PET at 130 ℃ for 5h for later use, and drying ultrahigh molecular weight polyethylene and polyamide resin at 90 ℃ for 40min for later use;
s2, mixing the dried 3kg of PBT, 5kg of PET, 0.4kg of ultra-high molecular weight polyethylene, 0.8kg of polyamide resin, 0.03kg of nucleating agent and 0.1kg of acrylate for 40min at a stirring speed of 300r/min to obtain a mixture, and then extruding the mixture at 285 ℃ to obtain the PBT/PET alloy material;
the average molecular weight of the ultra-high molecular weight polyethylene is 700 ten thousand; the polyamide resin is copolymer polyamide resin with the mark of CM 4000; the nucleating agent is talcum powder; the acrylate used was ethyl acrylate.
Examples 2 to 9
Examples 2 to 9 are based on example 1 and differ from example 1 only in that: the amounts of the raw materials are different, and are shown in Table 2.
TABLE 2 raw material amounts of examples 1 to 9
Figure BDA0003019913840000042
Figure BDA0003019913840000051
Example 10
Example 10 is based on example 9 and differs from example 9 only in that: equal mass of ethyl 3, 3-dimethacrylate was substituted for ethyl acrylate.
Examples 11 to 13
Examples 11 to 13 are based on example 1 and differ from example 1 only in that: the average molecular weight of the ultra-high molecular weight polyethylene used varies and is shown in Table 3.
TABLE 3 average molecular weight of ultra-high molecular weight polyethylene
Examples Example 11 Example 12 Example 13
Average molecular weight of ultra-high molecular weight polyethylene 370 ten thousand 550 ten thousand 500 ten thousand
Example 14
Example 14 is based on example 13 and differs from example 13 only in that: the copolymer polyamide resin was replaced by an equal mass of a bimonomer homopolymer polyamide resin having the trade name AKV 50.
Example 15
Example 15 is based on example 14 and differs from example 14 only in that: the monomelic homopolymer polyamide resin used was PA11, an equal mass of monomelic homopolymer polyamide resin was used instead of the dimonomeric homopolymer polyamide resin.
Example 16
Example 16 is based on example 14 and differs from example 14 only in that: the monomelic homopolymer polyamide resin used was PA12, an equal mass of monomelic homopolymer polyamide resin was used instead of the dimonomeric homopolymer polyamide resin.
Example 17
Example 17 is based on example 16 and differs from example 16 only in that: the single monomer homopolymer polyamide resin used was a mixture of PA11 and PA12, the weight ratio of PA11 to PA12 was 0.3: 1.
example 18
Example 18 is based on example 17 and differs from example 17 only in that: the weight ratio of PA11 to PA12 used was 1: 1.
Example 19
Example 19 is based on example 17 and differs from example 17 only in that: the weight ratio of PA11 to PA12 used was 3: 1.
Example 20
Example 20 is based on example 17 and differs from example 17 only in that: the weight ratio of PA11 to PA12 used was 2: 1.
Example 21
Example 21 is based on example 20 and differs from example 20 only in that: the nucleating agent is ADK STAB NA-21.
Example 22
Example 22 is based on example 21 and differs from example 21 only in that: the acrylate used was a mixture of ethyl acrylate and 3, 3-dimethylacrylate, the weight ratio of ethyl acrylate to 3, 3-dimethylacrylate being 1: 0.7.
Comparative example
Comparative example 1
Comparative example 1 is based on example 9 and differs from example 9 only in that: equal-mass low-molecular-weight polyethylene replaces ultrahigh-molecular-weight polyethylene, and the average molecular weight of the used low-molecular-weight polyethylene is 4000, which is purchased from development corporation of Zhongtian Kesheng (Shanghai).
Comparative example 2
Comparative example 2 is based on example 9 and differs from example 9 only in that: the polyamide resin was replaced by PBT of equal mass.
Comparative example 3
Comparative example 3 is based on example 9 and differs from example 9 only in that: the acrylate was replaced by PBT of equal quality.
Comparative example 4
A PBT/PET alloy material is prepared by the following steps:
s1, drying 5.5kg of PBT and 1.5kg of PET at 120 ℃ for 5h, uniformly mixing 0.02kg of Irgafos 1010, 0.03kg of aluminum hydroxide, 0.01kg of silane coupling agent and 0.2kg of alkali-free glass fiber with the dried PBT and PET to obtain a mixed material, and extruding the mixed material at 280 ℃ to obtain the PBT/PET alloy material;
irgafos 1010 was used from Guangzhou Hao plasticator, Inc.; the aluminum hydroxide is purchased from Cheng Si material GmbH of Hongkong company; the silane coupling agent is KH-792, which is purchased from Jie chemical technology, Inc. in Guangzhou; the alkali-free glass fiber used was XM-2-50mm, available from Shandong Xingmeng engineering materials Co.
Performance test
The PBT/PET alloy materials prepared in examples 1-22 and comparative examples 1-4 were subjected to the following performance tests.
Testing the heat distortion temperature: according to the test method specified in GB/T1634.2-2004 plastic load deformation temperature 2, the B method of 0.45Mpa bending stress is used for carrying out deformation temperature test on the prepared PBT/PET alloy material, namely the thermal deformation temperature is obtained. Corresponding to examples 1 to 22 and comparative examples 1 to 4, 100 samples were prepared and tested, and the heat distortion temperature of each sample was recorded as T1、T2……T100Calculating the average value T of the heat distortion temperature0I.e. expressed as the temperature of the corresponding sample for thermal deformation, the test results are given in table 4.
Testing thermal deformation temperature stability: the heat distortion temperature stability is resolved by calculating the relative percent fluctuation of the heat distortion temperature, where1/T0+T2/T0+……T100/T0) 100X 100%, the greater the relative percent variation in heat distortion temperature, the lower the heat distortion temperature stability, and the test results are shown in Table 4.
TABLE 4 test results of examples 1-22 and comparative examples 1-4
Figure BDA0003019913840000071
Analyzing the data to know that: the heat distortion temperature of the PBT/PET alloy material prepared by the method is not lower than 230 ℃, the relative fluctuation percentage of the heat distortion temperature is not higher than 5.5%, and the data of comparative examples 1-10 show that example 1 is the best example of examples 1-10.
Comparing the data of examples 1-10 with comparative examples 1-4, it can be seen that the ultrahigh molecular weight polyethylene, the polyamide resin and the acrylate are added to the PBT/PET alloy material, wherein the ultrahigh molecular weight polyethylene is a linear structure, has high compatibility with the PBT and PET materials, and is in synergistic effect with the polyamide resin and the acrylate to form a three-dimensional network structure through mutual cross-linking association, so that the heat deformation temperature of the PBT/PET alloy material and the stability of the heat deformation temperature of the PBT/PET alloy material are improved.
Comparing the data of examples 11-13 with the data of example 1, it can be seen that the present application further enhances the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate by controlling the average molecular weight of the ultra-high molecular weight polyethylene, and improves the heat distortion temperature of the PBT/PET alloy material and the stability of the PBT/PET alloy material. When the average molecular weight of the ultrahigh molecular weight polyethylene is 500 ten thousand, the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are higher.
Comparing the data of examples 14 and 13, it can be seen that the compatibility between the bimonomer homopolymer polyamide resin and the ultra-high molecular weight polyethylene is high, so that the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is strong, and the heat distortion temperature of the PBT/PET alloy material and the stability of the PBT/PET alloy material are improved.
Comparing the data of example 15 and example 14, it can be seen that the compatibility of the single homopolymer polyamide resin with the ultra-high molecular weight polyethylene is higher than the compatibility of the double homopolymer polyamide resin with the ultra-high molecular weight polyethylene, so that the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is further enhanced, and the heat distortion temperature of the PBT/PET alloy material and the stability of the PBT/PET alloy material are improved.
Comparing the data of example 17 with the data of examples 15-16, it can be seen that the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is enhanced by compounding PA11 and PA12, and the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved.
Comparing the data of examples 18-20 and example 17, it can be seen that the present application further enhances the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate by controlling the weight ratio of PA11 to PA12, and improves the heat distortion temperature of the PBT/PET alloy material and the stability of the PBT/PET alloy material. When the weight ratio of the PA11 to the PA12 is 2:1, the thermal deformation temperature of the PBT/PET alloy material and the stability of the thermal deformation temperature of the PBT/PET alloy material are higher.
Comparing the data of example 21 and example 20, it can be seen that the compatibility between the raw materials is improved by compounding ethyl acrylate and 3, 3-dimethyl ethyl acrylate, the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is enhanced, and the heat distortion temperature of the PBT/PET alloy material and the stability of the PBT/PET alloy material are improved.
The data of the comparative example 22 and the example 21 show that the compatibility of the ADK STAB NA-21 type nucleating agent and the PBT/PET alloy material is high, the interaction among the ultra-high molecular weight polyethylene, the polyamide resin and the acrylate is enhanced, and the heat distortion temperature of the PBT/PET alloy material and the stability of the heat distortion temperature of the PBT/PET alloy material are improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (9)

1. The PBT/PET alloy material is characterized by comprising, by weight, 25-40 parts of PBT, 30-60 parts of PET, 3-6 parts of ultra-high molecular weight polyethylene, 3-15 parts of polyamide resin, 0.2-0.35 part of a nucleating agent and 0.3-3 parts of acrylate.
2. The PBT/PET alloy material according to claim 1, wherein: the average molecular weight of the ultra-high molecular weight polyethylene is 370-550 ten thousand.
3. The PBT/PET alloy material according to claim 1, wherein: the polyamide resin is a homopolymer polyamide resin.
4. The PBT/PET alloy material according to claim 3, wherein: the homopolymer polyamide resin is a single monomer homopolymer polyamide resin.
5. The PBT/PET alloy material according to claim 4, wherein: the single monomer homopolymer polyamide resin is a mixture of PA11 and PA 12.
6. The PBT/PET alloy material according to claim 5, wherein: the weight ratio of the PA11 to the PA12 is (1-3): 1.
7. the PBT/PET alloy material according to claim 1, wherein: the nucleating agent is ADK STAB NA-21.
8. The PBT/PET alloy material according to claim 1, wherein: the acrylate is a mixture of ethyl acrylate and 3, 3-dimethyl ethyl acrylate.
9. The preparation method of the PBT/PET alloy material of any one of claims 1-8, which is characterized by comprising the following preparation steps:
s1, respectively dehumidifying and drying PBT, PET, ultra-high molecular weight polyethylene and polyamide resin;
s2, mixing the dried PBT, PET, ultra-high molecular weight polyethylene, polyamide resin, nucleating agent and acrylate to obtain a mixture, and then extruding the mixture to obtain the PBT/PET alloy material.
CN202110399616.0A 2021-04-14 2021-04-14 PBT/PET alloy material and preparation method thereof Pending CN113292827A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008201849A (en) * 2007-02-16 2008-09-04 Osaka Gas Co Ltd Resin composition and molded article thereof
CN103289329A (en) * 2013-04-12 2013-09-11 福建奥峰科技有限公司 Flame-retardant reinforced PET/PBT/LDPE alloy material and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008201849A (en) * 2007-02-16 2008-09-04 Osaka Gas Co Ltd Resin composition and molded article thereof
CN103289329A (en) * 2013-04-12 2013-09-11 福建奥峰科技有限公司 Flame-retardant reinforced PET/PBT/LDPE alloy material and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
叶素娟等: "超高分子量聚乙烯的成型工艺及改性研究进展", 《合成材料老化与应用》, vol. 35, no. 2, 30 June 2006 (2006-06-30), pages 43 - 49 *

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Application publication date: 20210824