WO2022183553A1 - Composition de résine de polychlorure de vinyle à brillant élevé, son procédé de préparation et son utilisation - Google Patents

Composition de résine de polychlorure de vinyle à brillant élevé, son procédé de préparation et son utilisation Download PDF

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Publication number
WO2022183553A1
WO2022183553A1 PCT/CN2021/083578 CN2021083578W WO2022183553A1 WO 2022183553 A1 WO2022183553 A1 WO 2022183553A1 CN 2021083578 W CN2021083578 W CN 2021083578W WO 2022183553 A1 WO2022183553 A1 WO 2022183553A1
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WO
WIPO (PCT)
Prior art keywords
polyvinyl chloride
chloride resin
resin composition
gloss
composition according
Prior art date
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PCT/CN2021/083578
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English (en)
Chinese (zh)
Inventor
李支松
余华林
宋科明
Original Assignee
广东联塑科技实业有限公司
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Publication of WO2022183553A1 publication Critical patent/WO2022183553A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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

Definitions

  • the present invention relates to the technical field of modification of functional plastics, and more particularly, to a high-gloss polyvinyl chloride resin composition and a preparation method and application thereof.
  • Polyvinyl chloride is a general-purpose plastic that is made of vinyl chloride monomer (VCM) by radical polymerization. It can be used to make hard and soft products for different purposes by adding appropriate additives. PVC has unique properties such as high strength, corrosion resistance, flame retardancy, insulation, transparency, and good compatibility with a wide range of plastic additives. Therefore, it is widely used in industry, agriculture, construction, daily necessities, packaging and other fields.
  • the main products include pipe fittings, door and window profiles, plates and sheets, wire insulation, medical supplies, films, sealing strips, etc.
  • the PVC wire trough widely used in the construction field has good insulation performance, and the anti-current breakdown voltage is as high as 25KV; it has good fire resistance, is flame-retardant, and self-extinguishes immediately after leaving the fire; it will not rust like a metal wire trough, and it is resistant to acid, Alkali resistance, oil resistance and many other advantages.
  • the surface of the common polyvinyl chloride trunking basically presents a matte state, which seriously affects the appearance and product texture, and is quite different from the decoration environment; although there are different methods to improve the gloss.
  • Chinese patent (CN102875920A) discloses a kind of ABS modified PVC to improve gloss, but ABS modified PBV has poor weather resistance and cannot be used for wire grooves.
  • Chinese patent (CN405462138A) discloses a PMMA/PVC alloy material and In the preparation method, styrene-acrylonitrile resin is used as a brightening agent to improve the gloss, but the effect of the gloss is not good enough, the effect on the gloss during the demolding process is large, and the plasticizing time is too long. long, limiting its application.
  • the invention provides a high-gloss polyvinyl chloride resin composition in order to overcome the defects of poor mechanical properties caused by low gloss and uneven plasticization.
  • Another object of the present invention is to provide a preparation method of the high gloss polyvinyl chloride resin composition.
  • Another object of the present invention is to provide the application of the high gloss polyvinyl chloride resin composition.
  • a high gloss polyvinyl chloride resin composition comprising the following components calculated in parts by weight:
  • the release agent is oxidized high-density polyethylene wax.
  • acrylonitrile-styrene copolymers are used in PVC resins to improve gloss, but acrylonitrile-styrene has obvious defects, such as slow plasticization and uneven plasticization, resulting in poor mechanical properties and limiting its application.
  • oxidized high-density polyethylene wax is generally used as a lubricant, it can maintain high gloss, but the inventors found through creative work that after blending acrylonitrile-styrene copolymer and oxidized high-density polyethylene wax, it can greatly increase the gloss.
  • the plasticizing ability is greatly improved, the mechanical properties are good, and after blending, the gloss is higher than that of any one added to the PVC resin.
  • oxidized high-density polyethylene wax has strong polarity, which can promote plasticization and reduce plasticization time; on the other hand, oxidized high-density polyethylene wax has strong polarity.
  • the molecular chain of high-density polyethylene wax contains polar groups, which can be adsorbed with the metal surface of equipment or molds, forming a lubricating film isolation layer between the polyvinyl chloride melt and the metal surface, enhancing the mold release of the melt and the mold release ability. The better, the higher the gloss.
  • the melting point of the oxidized high-density polyethylene wax is 132-140°C.
  • the melting point is determined by the ASTM D3954-2015 standard.
  • the melting point of the oxidized high-density polyethylene wax is 132-140° C.
  • the blending effect with acrylonitrile-styrene is better, the plasticizing ability is improved, and the mechanical properties are further improved.
  • the acid value of the oxidized high density polyethylene wax is 16-20.
  • the oxidized high-density polyethylene wax contains polar groups on the molecular chain, and the polar groups have a greater compatibility with polyvinyl chloride.
  • the metal surface can form a strong lubricating film, so the mold release is excellent.
  • the acid value of oxidized high-density polyethylene wax is used to characterize the number of polar groups on the molecular chain. .
  • the styrene content in the acrylonitrile-styrene copolymer is 20wt% to 45wt%.
  • the average degree of polymerization of the polyvinyl chloride resin is 741-845.
  • the heat stabilizer is a thiol methyl tin heat stabilizer.
  • the impact modifier has a core-shell structure acrylate impact modifier.
  • the processing modifier is one of methyl methacrylate or butyl methacrylate copolymer.
  • the lubricant is one or more of stearic acid, monoglyceride, calcium stearate or lead stearate.
  • the present invention also provides a preparation method of the high gloss polyvinyl chloride resin composition, comprising the following steps:
  • step S2 Add the material obtained in step S1 to a conical twin-screw extruder for plasticization and molding, cooling, and cutting by length to obtain the high-gloss polyvinyl chloride resin composition.
  • the temperature of the barrel of the conical twin-screw extruder is 165-180°C, and the temperature of the molding is 165-195°C.
  • the present invention provides a high-gloss polyvinyl chloride resin composition, which is blended with acrylonitrile-styrene copolymer and oxidized high-density polyethylene wax, which can not only greatly improve gloss, good demoulding effect, but also improve The plasticization of PVC resin has good mechanical properties.
  • reagents, methods and equipment used in the present invention are conventional reagents, methods and equipment in the technical field.
  • Polyvinyl chloride resin Tianjin Dagu Chemical, DG-800T;
  • Release agent A oxidized high-density polyethylene wax Honeywell A-C 316A, melting point 140°C, acid value 16;
  • Release agent B oxidized high-density polyethylene wax BASF Luwax OA6, melting point 132°C, acid value 18;
  • Release agent C oxidized high-density polyethylene wax EUROCERAS 719, melting point 138°C, acid value 19;
  • Release agent D oxidized high-density polyethylene wax Ruile Chemical RL916A, melting point 140°C, acid value 17;
  • Release agent E ethylene bis-stearamide, melting point 143°C;
  • Release agent F paraffin, melting point 60°C;
  • Acrylonitrile-styrene copolymer A styrene content 15wt%
  • Acrylonitrile-styrene copolymer B styrene content 20wt%
  • Acrylonitrile-styrene copolymer C styrene content 30wt%
  • Acrylonitrile-styrene copolymer D styrene content 45wt%
  • Acrylonitrile-styrene copolymer E styrene content 50wt%
  • Heat stabilizer Hubei Benxing Chemical, SW-977;
  • Lubricant Zhongshan Huamingtai Chemical BS3818 calcium stearate.
  • the high gloss polyvinyl chloride resin compositions of Examples and Comparative Examples were prepared by the following method, including the following steps:
  • step S2 adding the material obtained in step S1 into the conical twin-screw extruder for plasticization and molding, cooling, and cutting by length to obtain the high-gloss polyvinyl chloride resin composition; in the step S2, the conical twin-screw
  • the temperature of the barrel of the extruder was 165 to 180°C, and the temperature of the molding was 165 to 195°C.
  • Example 1 Example 2 Example 3 Example 4 Example 5 PVC resin 90 90 90 90 90 90 90 90
  • Release agent A 0.2 — — — 0.2 Release agent B — 0.2 — — — Release agent C — — 0.2 — — Release agent D — — — 0.2 — Acrylonitrile-Styrene Copolymer C 8 8 8 — Acrylonitrile-Styrene Copolymer A — — — — 8 light calcium carbonate 15 15 15 15 15 Heat stabilizers 1 1 1 1 1 impact modifier 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 processing modifier 1 1 1 1 1 1 1 lubricant 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8
  • Example 6 Example 7 Example 8 Example 9 Example 10 PVC resin 90 90 90 80 100 Release agent A 0.2 0.2 0.2 0.1 0.3 Acrylonitrile-Styrene Copolymer C — — — 2 10 Acrylonitrile-Styrene Copolymer B 8 — — — — Acrylonitrile-Styrene Copolymer D — 8 — — — Acrylonitrile-styrene copolymer E — — 8 — — light calcium carbonate 15 15 15 30 10 Heat stabilizers 1 1 1 2 0.3 impact modifier 6 6 6 8 4 processing modifier 1 1 1 1 2 0.5 lubricant 1.8 1.8 1.8 2.5 0.3
  • Release agent A — — — 0.2 Release agent E 0.2 — — — Release agent F — 0.2 — — Acrylonitrile-Styrene Copolymer C 8 8 — light calcium carbonate 15 15 15 15 Heat stabilizers 1 1 1 1 impact modifier 6 6 6 6 processing modifier 1 1 1 1 lubricant 1.8 1.8 1.8 1.8 1.8 1.8
  • the impact properties of simply supported beams are tested according to the requirements of GB/T 1043.1-2008 "Determination of Plastic Simply Supported Beams".
  • the impact performance of the simply supported beam is better than or equal to 15kJ/m 2 .

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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

L'invention concerne une composition de résine de polychlorure de vinyle à brillant élevé, son procédé de préparation et son utilisation. La composition de résine de polychlorure de vinyle à brillant élevé comprend les composants suivants en parties en poids : de 80 à 100 parties d'une résine de polychlorure de vinyle, de 0,1 à 0,3 partie d'un agent de démoulage, de 2 à 20 parties d'un copolymère d'acrylonitrile-styrène, de 10 à 30 parties de carbonate de calcium léger, de 0,3 à 2 parties d'un stabilisant thermique, 4 à 8 parties d'un agent antichoc, de 0,5 à 2 parties d'un modificateur de traitement, et de 0,3 à 2,5 parties d'un lubrifiant, l'agent de démoulage étant une cire de polyéthylène haute densité oxydée. La composition de résine de polychlorure de vinyle présente une brillance et des propriétés mécaniques relativement élevées.
PCT/CN2021/083578 2021-03-02 2021-03-29 Composition de résine de polychlorure de vinyle à brillant élevé, son procédé de préparation et son utilisation WO2022183553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110230165.8A CN112961445A (zh) 2021-03-02 2021-03-02 一种高光泽聚氯乙烯树脂组合物及其制备方法和应用
CN202110230165.8 2021-03-02

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WO2022183553A1 true WO2022183553A1 (fr) 2022-09-09

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CN (1) CN112961445A (fr)
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Citations (6)

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Publication number Priority date Publication date Assignee Title
US6476128B1 (en) * 2001-03-30 2002-11-05 General Electric Company Low-gloss blends containing poly(meth)acrylate rubber-based graft copolymer and process for making thereof
CN101338059A (zh) * 2007-07-03 2009-01-07 广州市波斯塑胶颜料有限公司 一种pvc改性材料及其制备方法
CN101775180A (zh) * 2009-12-29 2010-07-14 山东华信塑胶股份有限公司 抗冲改性聚氯乙烯管材及其制备工艺
CN103360698A (zh) * 2012-03-31 2013-10-23 中国石油化工股份有限公司 高强度聚氯乙烯阻燃抗静电管材组合物
CN104804323A (zh) * 2015-03-31 2015-07-29 太仓市晨洲塑业有限公司 一种pvc管材
CN106633533A (zh) * 2016-12-31 2017-05-10 永高股份有限公司 一种用于高抗冲聚氯乙烯加筋管的复合材料

Family Cites Families (6)

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CN104497451A (zh) * 2015-01-21 2015-04-08 芜湖海螺型材科技股份有限公司 一种高光泽环保pvc型材及其制备方法
CN104479259A (zh) * 2015-01-21 2015-04-01 芜湖海螺型材科技股份有限公司 一种满足高速挤出的高抗冲pvc型材及其制备方法
CN105462138B (zh) * 2016-01-06 2017-11-17 金发科技股份有限公司 一种pmma/pvc合金材料及其制备方法
CN107474428A (zh) * 2017-08-01 2017-12-15 芜湖领航新材料科技有限公司 Pvc复合改性材料及其制备方法
CN109517297B (zh) * 2018-11-07 2021-06-04 山东日科化学股份有限公司 聚氯乙烯型材复合料、自清洁聚氯乙烯门窗型材及其制备方法
CN114133679A (zh) * 2021-11-25 2022-03-04 广东天进新材料有限公司 一种具有高光泽度的pvc膜及其制备方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6476128B1 (en) * 2001-03-30 2002-11-05 General Electric Company Low-gloss blends containing poly(meth)acrylate rubber-based graft copolymer and process for making thereof
CN101338059A (zh) * 2007-07-03 2009-01-07 广州市波斯塑胶颜料有限公司 一种pvc改性材料及其制备方法
CN101775180A (zh) * 2009-12-29 2010-07-14 山东华信塑胶股份有限公司 抗冲改性聚氯乙烯管材及其制备工艺
CN103360698A (zh) * 2012-03-31 2013-10-23 中国石油化工股份有限公司 高强度聚氯乙烯阻燃抗静电管材组合物
CN104804323A (zh) * 2015-03-31 2015-07-29 太仓市晨洲塑业有限公司 一种pvc管材
CN106633533A (zh) * 2016-12-31 2017-05-10 永高股份有限公司 一种用于高抗冲聚氯乙烯加筋管的复合材料

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