WO2022135270A1 - 一种aes/petg/pbat合金材料及其制备方法和应用 - Google Patents

一种aes/petg/pbat合金材料及其制备方法和应用 Download PDF

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WO2022135270A1
WO2022135270A1 PCT/CN2021/138866 CN2021138866W WO2022135270A1 WO 2022135270 A1 WO2022135270 A1 WO 2022135270A1 CN 2021138866 W CN2021138866 W CN 2021138866W WO 2022135270 A1 WO2022135270 A1 WO 2022135270A1
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petg
aes
resin
alloy material
pbat
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PCT/CN2021/138866
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English (en)
French (fr)
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付锦锋
黄险波
叶南飚
黄宝奎
官焕祥
何超雄
陈日平
李玉虎
唐磊
林士文
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金发科技股份有限公司
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Publication of WO2022135270A1 publication Critical patent/WO2022135270A1/zh

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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
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/24—Crystallisation aids

Definitions

  • the invention relates to the technical field of engineering plastics, and more particularly, to an AES/PETG/PBAT alloy material and a preparation method and application thereof.
  • AES resin is EPDM toughened acrylonitrile-styrene copolymer, which is similar to ABS resin toughened with butadiene rubber.
  • the molecular chain of EPDM is mainly composed of ethylene. It is composed of copolymerization of ABS resin, propylene and a small amount of non-conjugated diene.
  • the double bond content in the molecule is very small, and it has good weather resistance and chemical resistance, making up for the performance defects of ABS resin, and can be used in the field of outdoor household appliances.
  • PETG Polyethylene terephthalate-1,4-cyclohexanedimethanol
  • the present invention provides an AES/PETG/PBAT alloy material in order to overcome at least one of the above-mentioned defects in the prior art.
  • Another object of the present invention is to provide a method for preparing the AES/PETG/PBAT alloy material.
  • Another object of the present invention is to provide the application of the AES/PETG/PBAT alloy material.
  • An AES/PETG/PBAT alloy material comprising the following components calculated by weight:
  • the mass percentage of 1,4-cyclohexanedimethanol in the PETG resin is 20-45%.
  • AES resin has high fluidity and good weather resistance. After mixing with PETG resin, it can improve the weather resistance of alloy materials and expand the application field of PETG resin. However, after PETG resin and AES resin are blended, it is still difficult to demold. And the problem of broken gate.
  • the PETG resin with the mass percentage of 1,4-cyclohexanedimethanol accounting for 20-45% of the PETG resin has good mold release performance, and the appropriate transesterification reaction with the PBAT resin can further Improve the demolding ability of the alloy material and prevent the gate from breaking; in addition, excessive transesterification will also deteriorate the alloy material.
  • the inventor added an appropriate amount of transesterification to the alloy system. inhibitor.
  • the melt index of the PETG resin is 1.5-3 g/10min.
  • the melt index of the PETG resin is between 1.5 and 3 g/10min, which can further improve the mold release problem of the alloy material.
  • the intrinsic viscosity of the PBAT resin is 2.0 ⁇ 2.8 dl/g.
  • the intrinsic viscosity of the PBAT resin is detected according to the GB/T 1632-1993 standard method.
  • the intrinsic viscosity of the PBAT resin is within 2.0-2.8 dl/g, and has good demoulding force.
  • the nucleating agent is one of nano-montmorillonite or nano-talc.
  • the transesterification inhibitor is one of triphenyl phosphite, sodium dihydrogen phosphate or disodium dihydrogen pyrophosphate.
  • the compatibilizer is styrene-acrylonitrile-glycidyl methacrylate, styrene-acrylonitrile-maleic anhydride copolymer, ethylene-acrylate-glycidyl ester copolymer, ethylene-glycidyl ester Or one of ethylene-n-butyl acrylate-glycidyl ester copolymer.
  • the alloy material further includes antioxidants and/or lubricants.
  • the antioxidant contains 0.1-2 parts, and the lubricant contains 0.1-2 parts.
  • the antioxidant is one of hindered phenolic antioxidants or phosphite lipid antioxidants.
  • Described lubricant is vinyl bis-stearamide, polysiloxane, calcium stearate, magnesium stearate, zinc stearate, PE wax, PP wax or ethylene bis-stearamide or fatty acid ester. A sort of.
  • the present invention also provides a method for preparing the AES/PETG/PBAT alloy material, comprising the following steps:
  • steps S1 and S2 are obtained by melting, extruding, and processing.
  • the twin-screw extruder is provided with ten temperature setting zones, the temperature of zones 1 to 2 is 150°C to 200°C, the temperature of zones 3 to 6 is 220°C to 240°C, and the temperature of zones 7 to 10 is 220°C to 240°C.
  • the temperature is 200 ⁇ 220 °C.
  • the invention provides an AES/PETG/PBAT alloy material. Selecting a specific PETG resin and introducing AES resin and PBAT resin can reduce the adhesion ability of PETG to the mold, reduce the demoulding force when the alloy material is demolded, and cast The mouth does not break; the maximum release force is 788Pa, and the maximum average release force is 715Pa.
  • reagents, methods and equipment used in the present invention are conventional reagents, methods and equipment in the technical field.
  • AES resin AES-K200 Kingfa Technology Co., Ltd.
  • PBAT resin A intrinsic viscosity 2.0dl/g; PBAT0120; Zhuhai Wantong Chemical Co., Ltd.
  • PBAT resin B intrinsic viscosity 2.5dl/g; PBAT0125; Zhuhai Wantong Chemical Co., Ltd.
  • PBAT resin C intrinsic viscosity 2.8dl/g; PBAT0128; Zhuhai Wantong Chemical Co., Ltd.
  • PBAT resin D intrinsic viscosity 3.5dl/g; PBAT0135; Zhuhai Wantong Chemical Co., Ltd.
  • PBAT resin E intrinsic viscosity 1.5dl/g; PBAT0115; Zhuhai Wantong Chemical Co., Ltd.
  • PETG resin A the mass percentage of 1,4 cyclohexanedimethanol is 20%; the melt index is 1.5g/10min, commercially available
  • PETG resin B1 the mass percentage of 1,4 cyclohexanedimethanol is 30%; the melt index is 1.5g/10min, commercially available
  • PETG resin C the mass percentage of 1,4 cyclohexanedimethanol is 45%; the melt index is 1.5 g/10min; commercially available
  • PETG resin D the mass percentage of 1,4 cyclohexanedimethanol is 50%; the melt index is 1.5g/10min; commercially available
  • PETG resin E the mass percentage of 1,4 cyclohexanedimethanol is 10%; the melt index is 1.5g/10min; commercially available
  • PETG resin B2 the mass percentage of 1,4 cyclohexanedimethanol is 30%; the melt index is 2.5g/10min; commercially available
  • PETG resin B3 the mass percentage of 1,4 cyclohexanedimethanol is 30%; the melt index is 3g/10min; commercially available
  • PETG resin B4 the mass percentage of 1,4 cyclohexanedimethanol is 30%; the melt index is 4g/10min; commercially available
  • Transesterification inhibitor disodium dihydrogen pyrophosphate DHPP, Nagase (Hong Kong) Co., Ltd.
  • Nucleating agent superfine talc HTP Ultra5L; Liaoning Aihai Yimi Mining Co., Ltd.
  • Antioxidants hindered phenolic antioxidant antioxidant 1010; phosphite lipid antioxidant Y-002; Mitutoyo Chemicals
  • Lubricant fatty acid ester PETS; Shanghai Chengzaicheng Chemical
  • the preparation method of AES/PETG/PBAT alloy material comprises the following steps:
  • steps S1 and S2 are obtained by melting, extruding, drawing, water cooling, dicing and drying.
  • the temperature in zones 1 to 2 is 150°C to 200°C
  • the temperature in zones 3 to 6 is 220°C to 240°C
  • the temperature in zones 7 to 10 is 200 ⁇ 220°C.
  • Example 1 Example 2
  • Example 3 Example 4
  • Example 5 Example 6
  • AES resin 30 30 30 30 30 30 30 PBAT Resin A 15 15 15 15 15 15 15 15 PETG resin A 50 — — — — — PETG resin B1 — 50 — — — PETG resin C — — 50 — — — PETG resin B2 — — — 50 — — PETG resin B3 — — — — 50 — PETG resin B4 — — — — — — — — — 50 transesterification inhibitor 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
  • Example 7 Example 8 Example 9 Example 10
  • Example 11 Example 12 AES resin 30 30 30 30 30 30 PBAT Resin A — — — — 15 15 PBAT Resin B 15 — — — — — PBAT Resin C — 15 — — — — PBAT Resin D — — 15 — — — PBAT Resin E — — — 15 — PETG resin
  • Compatibilizer 5 5 5 5 5 5 5 5 5 Nucleating agent 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
  • Example 13 Example 14 Example 15 Example 16 Example 17 Example 18
  • Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 AES resin 30 30 30 30 PBAT Resin A 15 15 15 15 15 PETG resin A — — 50 50 PETG resin D 50 — — — PETG resin E — 50 — — transesterification inhibitor 0.2 0.2 — 1 Compatibilizer 5 5 5 5 Nucleating agent 0.5 0.5 0.5 0.5 0.5 0.5
  • the AES/PETG/PBAT alloy material prepared by above-mentioned embodiment and comparative example is carried out following performance test, and the reference standard and method of test are as follows:
  • Release force fixed injection speed (50mm/s), injection pressure (50MPa), holding speed (50mm/s), holding pressure (50MPa), holding time (2s), and molding cycle of 45 seconds.
  • the cup-shaped mold with a mold inclination of 1° was injected with a cup with a well depth of 10cm, and the demoulding force when the cup was ejected and demolded was tested.
  • the average value of demolding force fixed injection speed (50mm/s), injection pressure (50MPa), pressure holding speed (50mm/s), holding pressure (50MPa), holding time (2s), and molding cycle 45s, in A cup-shaped mold with a demoulding slope of 1° was injected into a cup with a well depth of 10cm, and the demoulding force when the cup was ejected and demolded was tested, and the average value of 5 groups of tests was taken.
  • melt index of PETG exceeds 3g/10min, and the transesterification of PETG and PBAT is affected to a certain extent, resulting in an increase in the release force of the material.
  • the viscosity of PBAT is low or high, and the transesterification of PETG and PBAT is affected to a certain extent, resulting in high demoulding force of the material.
  • the transesterification inhibitor is low, which affects the degree of transesterification during processing, resulting in an increase in the release force.
  • antioxidants and lubricants have little effect on the effect

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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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

本发明公开了一种AES/PETG/PBAT合金材料及其制备方法和应用，所述合金材料包括如下按重量份计算的组分：PETG树脂45～80份；AES树脂15～35份；PBAT树脂5～20份；酯交换抑制剂0.1～0.5份；相容剂3～8份；成核剂0.1～1份；所述PETG树脂中1,4-环己烷二甲醇占所述PETG树脂的质量百分比为20～45％。能够降低合金材料的脱模时脱模力，浇口不断裂；脱模力最大值是788Pa，脱模力平均值的最大值为715Pa。

Description

一种AES/PETG/PBAT合金材料及其制备方法和应用 技术领域
本发明涉及工程塑料技术领域，更具体地，涉及一种AES/PETG/PBAT合金材料及其制备方法和应用。
背景技术
AES树脂是三元乙丙橡胶(EPDM)增韧丙烯腈-苯乙烯共聚物，与采用丁二烯橡胶增韧的ABS树脂基本物性相似，而三元乙丙橡胶(EPDM)分子链主要由乙烯、丙烯和少量非共轭双烯共聚构成，其分子中双键含量极少，具有较好的耐候性和耐化学性，弥补ABS树脂的性能缺陷，可应用于户外家用电器产品领域。
聚对苯二甲酸乙二醇酯-1，4-环己烷二甲醇酯(PETG)是一种透明非结晶性的共聚酯材料，其具突出的韧性、高抗冲击强度、易印刷、高光泽、耐化学性及良好的耐候等性能，可广泛用于各行各业；但是PETG也有其自身的缺陷，其冷却速度很慢，容易粘模，单独使用脱模困难，和AES共混改性后，虽然能够提高其他方面的性能，但仍然存在脱模时脱模力大，容易断浇口等问题。
一般地，大家都会想到添加脱模剂来改善脱模困难，但是脱模剂的加入并不能改善改善PETG脱模困难和浇口容易断裂的问题，反而还会影响注塑成型的生产效率问题。
发明内容
本发明为克服上述现有技术所述的至少一种缺陷，提供一种AES/PETG/PBAT合金材料。
本发明的另一目的在于提供所述AES/PETG/PBAT合金材料的制备方法。
本发明的另一目的在于提供所述AES/PETG/PBAT合金材料的应用。
为实现上述目的，本发明采用的技术方案是：
一种AES/PETG/PBAT合金材料，包括如下按重量份计算的组分：
Figure PCTCN2021138866-appb-000001
Figure PCTCN2021138866-appb-000002
所述PETG树脂中1,4-环己烷二甲醇占所述PETG树脂的质量百分比为20～45％。
AES树脂具有高流动性和较好的耐候性能，与PETG树脂混合后能够提高合金材料的耐候性能，拓展了PETG树脂的应用领域，但是PETG树脂和AES树脂共混后，其仍然存在脱模难和断浇口的问题。
经发明人大量研究发现，选择1,4-环己烷二甲醇占PETG树脂的质量百分比为20～45％的PETG树脂具有较好的脱模性能，配合PBAT树脂发生适当的酯交换反应能够进一步提高合金材料的脱模能力，防止浇口断裂；另外，过多的酯交换反应也会劣化合金材料，为了防止PBAT树脂与PETG树脂过度酯交换，发明人在合金体系中加入了适量的酯交换抑制剂。
优选地，所述PETG树脂的熔融指数为1.5～3g/10min。
所述PETG树脂的熔融指数在1.5～3g/10min之间能够进一步的提高合金材料的脱模问题。
优选地，所述PBAT树脂的特性粘度在2.0～2.8dl/g。
所述PBAT树脂的特性粘度按照GB/T 1632-1993标准方法检测。
所述PBAT树脂的特性粘度在2.0～2.8dl/g之内，具有较好的脱模力。
优选地，所述成核剂为纳米蒙脱土或纳米滑石粉中一种。
优选地，所述酯交换抑制剂为亚磷酸三苯酯、磷酸二氢钠或焦磷酸二氢二钠中一种。
优选地，所述相容剂为苯乙烯-丙烯腈-甲基丙烯酸缩水甘油酯、苯乙烯-丙烯腈-马来酸酐共聚物、乙烯-丙烯酸酯-缩水甘油酯共聚物、乙烯-缩水甘油酯或乙烯-丙烯酸正丁酯-缩水甘油酯共聚物中一种。
优选地，所述合金材料还包括抗氧剂和/或润滑剂。
所述抗氧剂含有0.1～2份，所述润滑剂含有0.1～2份。
所述抗氧剂为受阻酚类抗氧剂或亚磷酸脂类抗氧剂中的一种。
所述润滑剂为乙烯基双硬脂酰胺、聚硅氧烷、硬脂酸钙、硬脂酸镁、硬脂酸锌、PE蜡、PP蜡或乙撑双硬脂酰胺或脂肪酸酯中的一种。
本发明还提供所述AES/PETG/PBAT合金材料的制备方法，包括如下步骤：
S1.PBAT树脂、PETG树脂、成核剂、抗氧剂、润滑剂均匀混合后，由挤出机的主喂料口加入；
S2.AES树脂、相容剂、酯交换抑制剂混合均匀后，由挤出机侧喂料口加入；
S3.将步骤S1和S2中的物料经熔融、挤出后、加工得到。
优选地，所述双螺杆挤出机中设有十个温度设定区，1～2区的温度为150℃～200℃，3～6区的温度为220℃～240℃，7～10区的温度为200～220℃。
所述AES/PETG/PBAT合金材料在制备家电、园林工具中的应用。
与现有技术相比，本发明的有益效果是：
本发明提供了一种AES/PETG/PBAT合金材料，选择特定的PETG树脂，以及引入AES树脂和PBAT树脂能够减小PETG对模具的粘附能力，降低合金材料的脱模时脱模力，浇口不断裂；脱模力最大值是788Pa，脱模力平均值的最大值为715Pa。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述，但本发明的实施方式不限于此。
本发明所采用的试剂、方法和设备，如无特殊说明，均为本技术领域常规试剂、方法和设备。
以下实施例及对比例中采用的原料如下：
AES树脂：AES-K200金发科技股份有限公司
PBAT树脂A：特性粘度2.0dl/g；PBAT0120；珠海万通化工有限公司
PBAT树脂B：特性粘度2.5dl/g；PBAT0125；珠海万通化工有限公司
PBAT树脂C：特性粘度2.8dl/g；PBAT0128；珠海万通化工有限公司
PBAT树脂D：特性粘度3.5dl/g；PBAT0135；珠海万通化工有限公司
PBAT树脂E：特性粘度1.5dl/g；PBAT0115；珠海万通化工有限公司
PETG树脂A：1,4环己烷二甲醇的质量百分比为20％；熔融指数为1.5g/10min，市售
PETG树脂B1：1,4环己烷二甲醇的质量百分比为30％；熔融指数为1.5g/10min，市售
PETG树脂C：1,4环己烷二甲醇的质量百分比为45％；熔融指数为1.5 g/10min；市售
PETG树脂D：1,4环己烷二甲醇的质量百分比为50％；熔融指数为1.5g/10min；市售
PETG树脂E：1,4环己烷二甲醇的质量百分比为10％；熔融指数为1.5g/10min；市售
PETG树脂B2：1,4环己烷二甲醇的质量百分比为30％；熔融指数为2.5g/10min；市售
PETG树脂B3：1,4环己烷二甲醇的质量百分比为30％；熔融指数为3g/10min；市售
PETG树脂B4：1,4环己烷二甲醇的质量百分比为30％；熔融指数为4g/10min；市售
酯交换抑制剂：焦磷酸二氢二钠DHPP，长濑(香港)有限公司
相容剂：苯乙烯-丙烯腈-甲基丙烯酸缩水甘油酯SAG-02；佳易容相容剂江苏有限公司
成核剂：超细滑石粉HTPUltra5L；辽宁艾海意米矿业有限公司
抗氧剂：受阻酚类抗氧剂抗氧剂1010；亚磷酸脂类抗氧剂Y-002；三丰化工
润滑剂：脂肪酸酯PETS；上海成再成化工
下面结合实施例和对比例来详细说明本发明。
以下实施例和对比例通过下述方法制备AES/PETG/PBAT合金材料，并按照表1～4的重量比称取各组分；具体步骤如下：
AES/PETG/PBAT合金材料的制备方法，包括如下步骤：
S1.PBAT树脂、PETG树脂、成核剂、抗氧剂、润滑剂在高混机中均匀混合后，由双螺杆挤出机的主喂料口加入；
S2.AES树脂、相容剂、酯交换抑制剂在高混机中混合均匀后，由挤出机侧喂料口加入；
S3.将步骤S1和S2中的物料经熔融、挤出、拉条、水冷、切粒、干燥后得到。
所述双螺杆挤出机中设有十个温度设定区，1～2区的温度为150℃～200℃，3～6区的温度为220℃～240℃，7～10区的温度为200～220℃。
实施例1～6
表1实施例1～6的配方(份)
  实施例1 实施例2 实施例3 实施例4 实施例5 实施例6
AES树脂 30 30 30 30 30 30
PBAT树脂A 15 15 15 15 15 15
PETG树脂A 50 — — — — —
PETG树脂B1 — 50 — — — —
PETG树脂C — — 50 — — —
PETG树脂B2 — — — 50 — —
PETG树脂B3 — — — — 50 —
PETG树脂B4 — — — — — 50
酯交换抑制剂 0.2 0.2 0.2 0.2 0.2 0.2
相容剂 5 5 5 5 5 5
成核剂 0.5 0.5 0.5 0.2 0.2 0.2
实施例7～11
表2实施例7～12的配方(份)
  实施例7 实施例8 实施例9 实施例10 实施例11 实施例12
AES树脂 30 30 30 30 30 30
PBAT树脂A — — — — 15 15
PBAT树脂B 15 — — — — —
PBAT树脂C — 15 — — — —
PBAT树脂D — — 15 — — —
PBAT树脂E — — — 15 — —
PETG树脂A 50 50 50 50 50 50
酯交换抑制剂 0.2 0.2 0.2 0.2 0.1 0.5
相容剂 5 5 5 5 5 5
成核剂 0.5 0.5 0.5 0.5 0.5 0.5
实施例13～18
表3实施例13～18的配方(份)
  实施例13 实施例14 实施例15 实施例16 实施例17 实施例18
AES树脂 30 30 30 30 30 30
PBAT树脂A 15 15 15 15 15 15
PETG树脂A 45 60 70 80 80 80
酯交换抑制剂 0.2 0.2 0.2 0.2 0.2 0.2
相容剂 5 5 5 5 5 5
成核剂 0.5 0.5 0.5 0.5 0.5 0.5
抗氧剂 — — — — 0.2 —
润滑剂 — — — — — 0.2
对比例1～4
表4对比例1～4的配方(份)
  对比例1 对比例2 对比例3 对比例4
AES树脂 30 30 30 30
PBAT树脂A 15 15 15 15
PETG树脂A — — 50 50
PETG树脂D 50 — — —
PETG树脂E — 50 — —
酯交换抑制剂 0.2 0.2 — 1
相容剂 5 5 5 5
成核剂 0.5 0.5 0.5 0.5
将上述实施例和对比例制备得到的AES/PETG/PBAT合金材料进行以下性能测试，测试所参照标准和方法如下：
脱模力：固定注塑速度(50mm/s)、注塑压力(50MPa)，保压速度(50mm/s)、保压压力(50MPa)，保压时间(2s)，及成型周期45秒，在脱模斜度1°的杯状模具注塑井深10cm的杯子，测试杯子顶出脱模时脱模力。
脱模力平均值：固定注塑速度(50mm/s)、注塑压力(50MPa)，保压速度(50mm/s)、保压压力(50MPa)，保压时间(2s)，及成型周期45s，在脱模斜度1°的杯状模具注塑井深10cm的杯子，测试杯子顶出脱模时脱模力，测试5组取平均值。
表5实施例和对比例的数据
   10模脱模力max(MPa) 10模脱模力平均值(MPa) 是否断浇口
实施例1 652 616 否
实施例2 645 612 否
实施例3 643 610 否
实施例4 649 611 否
实施例5 646 610 否
实施例6 756 701 否
实施例7 631 604 否
实施例8 649 614 否
实施例9 788 715 否
实施例10 771 702 否
实施例11 763 682 否
实施例12 745 711 否
实施例13 651 615 否
实施例14 679 631 否
实施例15 711 657 否
实施例16 745 661 否
实施例17 748 662 否
实施例18 741 662 否
对比例1 1040 982 5模浇口断
对比例2 990 931 4模浇口断
对比例3 892 835 2模浇口断
对比例4 925 850 2模浇口断
从实施例1～3看，熔融指数一定的情况下，PETG中1,4环己烷二甲醇的含量在20％-45％之内，脱模力变化不大，脱模时浇口并未出现断裂的情况。
从实施例2和4～6看，PETG熔融指数超过3g/10min，PETG和和PBAT的酯交换受到一定影响，导致材料脱模力上升。
从实施例2和7～10看，PBAT的粘度偏低或偏高，PETG和和PBAT的酯交换受到一定影响，导致材料脱模力偏高。
从实施例2和11～12看，酯交换抑制剂偏低，影响加工过程中酯交换程度，导致脱模力升高。
从实施例13～16看，在PBAT存在的情况下，满足条件的PETG含量的增加对材料脱模力影响有限。
从实施例17和18看，抗氧剂和润滑剂对效果影响不大
从对比例1～4看，当PETG中的1,4环己烷二甲醇的质量百分比不在范围内时，脱模力明显偏大，脱模都存在浇口断裂的情况，不加入酯交换抑制剂和过度酯交换都不利于脱模。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种AES/PETG/PBAT合金材料，其特征在于，包括如下按重量份计算的组分：
    Figure PCTCN2021138866-appb-100001
    所述PETG树脂中1,4-环己烷二甲醇占所述PETG树脂的质量百分比为20～45％。
  2. 如权利要求1所述AES/PETG/PBAT合金材料，其特征在于，所述PETG树脂在200℃，5Kg的条件下的熔融指数为1.5～3g/10min。
  3. 如权利要求1所述AES/PETG/PBAT合金材料，其特征在于，所述PBAT树脂的特性粘度为2.0～2.8dl/g。
  4. 如权利要求1所述AES/PETG/PBAT合金材料，其特征在于，所述成核剂为纳米蒙脱土或纳米滑石粉中一种或两种。
  5. 如权利要求1所述AES/PETG/PBAT合金材料，其特征在于，所述酯交换抑制剂为亚磷酸三苯酯、磷酸二氢钠或焦磷酸二氢二钠中的一种或几种。
  6. 如权利要求1所述AES/PETG/PBAT合金材料，其特征在于，所述相容剂为苯乙烯-丙烯腈-甲基丙烯酸缩水甘油酯、苯乙烯-丙烯腈-马来酸酐共聚物、乙烯-丙烯酸酯-缩水甘油酯共聚物、乙烯-缩水甘油酯或乙烯-丙烯酸正丁酯-缩水甘油酯共聚物中一种或几种。
  7. 如权利要求1所述AES/PETG/PBAT合金材料，其特征在于，还包括抗氧剂和/或润滑剂。
  8. 如权利要求1～7任一项所述AES/PETG/PBAT合金材料的制备方法，其特征在于，包括如下步骤：
    S1.PBAT树脂、PETG树脂、成核剂、抗氧剂、润滑剂均匀混合后，由挤出机的主喂料口加入；
    S2.AES树脂、相容剂、酯交换抑制剂混合均匀后，由挤出机侧喂料口加入；
    S3.将步骤S1和S2中的物料经熔融、挤出后、加工得到所述AES/PETG/PBAT合金材料。
  9. 如权利要求8所述AES/PETG/PBAT合金材料的制备方法，其特征在于，所述双螺杆挤出机中设有十个温度设定区，1～2区的温度为150℃～200℃，3～6区的温度为220℃～240℃，7～10区的温度为200～220℃。
  10. 权利要求1～7任一项所述AES/PETG/PBAT合金材料在制备家电、园林工具中的应用。
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