WO2024032433A1 - Matériau de polypropylène à faible post-retrait et son procédé de préparation - Google Patents

Matériau de polypropylène à faible post-retrait et son procédé de préparation Download PDF

Info

Publication number
WO2024032433A1
WO2024032433A1 PCT/CN2023/110666 CN2023110666W WO2024032433A1 WO 2024032433 A1 WO2024032433 A1 WO 2024032433A1 CN 2023110666 W CN2023110666 W CN 2023110666W WO 2024032433 A1 WO2024032433 A1 WO 2024032433A1
Authority
WO
WIPO (PCT)
Prior art keywords
shrinkage
polypropylene
low
polypropylene material
post
Prior art date
Application number
PCT/CN2023/110666
Other languages
English (en)
Chinese (zh)
Inventor
王亚南
杨磊
尹朝清
张爽爽
杨泽
陆湛泉
杨霄云
Original Assignee
上海金发科技发展有限公司
江苏金发科技新材料有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海金发科技发展有限公司, 江苏金发科技新材料有限公司 filed Critical 上海金发科技发展有限公司
Publication of WO2024032433A1 publication Critical patent/WO2024032433A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets

Definitions

  • the invention belongs to the field of polymer materials, and specifically relates to a low post-shrinkage polypropylene material and a preparation method thereof.
  • Polypropylene material is currently the most widely used general-purpose plastic.
  • polypropylene has obvious disadvantages in some performance aspects, such as large shrinkage and unstable dimensions.
  • fillers such as mineral powder and fiber are usually added in the industry.
  • mineral powder The addition of fiber fillers usually affects the surface properties of the product.
  • polypropylene composite materials prepared from the most commonly used talc powder generally have poor surface gloss, while polypropylene materials prepared from glass fiber composites often have serious surface floating fibers.
  • these traditional shrinkage adjustment components actually only reduce the original shrinkage of the material, but there will be a certain amount of post-shrinkage after the material size is stable. This part of the post-shrinkage is actually the slow movement and crystallization of the polymer molecular chains. As a result, if the product undergoes a heating process during use, the shrinkage will be greater.
  • CN111087689A discloses a polypropylene composite material for home appliance casings and a preparation method thereof. By adding components such as whiskers, talc powder, nucleating agents, etc., the obtained polypropylene composite has high gloss, scratch resistance, and low post-shrinkage. Characteristics, but as mentioned above, this material has a larger post-shrinkage rate after high-temperature annealing; CN111484671A discloses a low post-shrinkage polypropylene composite material for vehicles and a preparation method thereof.
  • the invention is formulated with ultra-high molecular weight Components such as polyethylene, talc, and nano-glass can achieve low post-shrinkage effects.
  • the ultra-high molecular weight polyethylene used in this product has poor processability and low surface gloss, making it unsuitable for some exterior plastic parts. product.
  • the object of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a low post-shrinkage polypropylene material.
  • the product components do not introduce the common filling shrinkage adjustment components in the prior art solutions, but Specific random polypropylene and long carbon chain polyamide are introduced into the polypropylene resin matrix.
  • Specific random polypropylene and long carbon chain polyamide are introduced into the polypropylene resin matrix.
  • the post-shrinkage effect can also maintain the surface gloss and cleanliness of the product within a good range, and has a wide range of applications.
  • a low post-shrinkage polypropylene material contains the following components by weight:
  • the low shrinkage regulator includes random copolymerized polypropylene and polyamide, and the molar ratio of methylene groups to amide groups in the molecular chain of the polyamide is 10 to 12.
  • the molar ratio of methylene and amide groups in the molecular chain of the polyamide can be directly obtained from the structural formula of the repeating unit of the polyamide;
  • the structural formula of the polyamide can be obtained by melting, dissolving, separating and purifying the polyamide in the low post-shrinkage polypropylene material, and then using infrared spectrum analysis and mass spectrometry analysis to test.
  • the components of the low post-shrinkage polypropylene material of the present invention in order not to introduce components such as mineral powder or glass fiber that may cause a decrease in the apparent performance of the product, random copolymerized polypropylene and polyamide are used. These two components It can be fully entangled with the short molecular chains in the polypropylene resin matrix. At the same time, the amide groups it contains can form a certain amount of hydrogen bonds in the polypropylene resin matrix, thereby increasing the number of molecules in the compounded mixture of each component. It is difficult to move between chains, and the two themselves can also achieve heterogeneous nucleation under the action of initiators during the product preparation process. There will be no phase separation or incompatibility problems, which effectively reduces the problem of product size stabilization. (especially after heat annealing treatment), while ensuring the surface properties of the product.
  • the inventor found that if the added amount of the low shrinkage regulator is too low, it will be difficult to achieve a good low post-shrinkage rate, but if the added amount is too high, the compatibility of the product components will be problematic. (It is difficult to avoid even if the compatibilizer is increased). Not only the post-shrinkage rate cannot achieve the optimal effect, but it may also cause problems with the surface gloss of the product.
  • the molar ratio of methylene to amide groups in the molecular chain of polyamide is a key factor in entanglement with the polypropylene resin matrix.
  • the ratio is too small, the density of the amide groups will decrease, so that the relationship between the amide groups The reduction of hydrogen bonds generated between them is not conducive to reducing post-shrinkage. If the ratio is too high and the amide group content is high, it will also cause compatibility problems.
  • the molar ratio of methylene groups to amide groups in the molecular chain of the polyamide is 10 to 11.
  • the mass ratio of random copolymerized polypropylene and polyamide in the low shrinkage regulator is (7-9): (1-2).
  • the content of polyamide or random copolymerized polypropylene in the low-shrinkage regulator cannot be too high, because the polypropylene resin matrix and polyamide in the product components are actually in a state of entanglement with each other, which can prevent the molecular chain segments from changing after heating. If there is too much random copolymerized polypropylene, it will be difficult to generate enough hydrogen bonds in the product, and then it will be more difficult to reduce the shrinkage to the ideal level. If there is too much polyamide, it will be difficult to produce enough hydrogen bonds in the product components. The dispersion in the product will be significantly reduced, and the surface gloss of the product may also be reduced. The inventor optimized the two and found that when the above ratio is used, the gloss and post-shrinkage of the product are relatively stable and can be maintained within an ideal range.
  • the random copolymerized polypropylene is a random propylene-ethylene copolymer.
  • the random copolymerized polypropylene is in accordance with GB/T 3682.1-2018 "Testing Methods for Plastic Thermoplastic Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR)" at 230°C, 2.16
  • MFR Plastic Thermoplastic Melt Mass Flow Rate
  • MVR Melt Volume Flow Rate
  • any type of random copolymerized polypropylene that can be entangled with polyamide can be used in the product components of the present invention.
  • the melt mass flow rate of random copolymerized polypropylene is 10-30g/min, the post-shrinkage rate of the product can be lower.
  • the polypropylene is at least one of block copolymerized polypropylene and homopolymerized polypropylene.
  • the polypropylene is tested in accordance with GB/T 3682.1-2018 "Testing Methods for Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR) of Plastic Thermoplastics" at 230°C and 2.16kg.
  • the melt mass flow rate is 1 ⁇ 60g/10min.
  • the compatibilizer is maleic anhydride graft.
  • the maleic anhydride graft is ethylene-propylene copolymer grafted with maleic anhydride, ethylene-octene copolymer grafted with maleic anhydride, ethylene-butene copolymer grafted with maleic anhydride, polypropylene At least one of grafted maleic anhydride and polyethylene grafted maleic anhydride.
  • maleic anhydride grafts have a good effect on improving the compatibility of random copolymerization of polypropylene and polyamide (especially polyamide) in polypropylene and the compatibility between the two. It can make the two key components in the low shrinkage regulator well compatible and evenly entangled with the molecular chains of the polypropylene resin matrix.
  • the initiator is at least one of an organic peroxide initiator, an azo initiator, and a benzoyl peroxide initiator.
  • the processing aid includes at least one of an antioxidant and a lubricant.
  • the antioxidant is at least one of a hindered phenolic antioxidant and a phosphite antioxidant.
  • the lubricant is erucamide.
  • the processing aid is a mixture of hindered phenolic antioxidants, phosphite antioxidants and lubricants, and the mass ratio of the three is 1:2:2.
  • Another object of the present invention is to provide a preparation method of the low post-shrinkage polypropylene material, which includes the following steps:
  • the preparation method of the low post-shrinkage polypropylene material of the present invention has simple operation steps and can realize industrial-scale production.
  • the mixing speed is 600-1200 rpm, the time is 5-8 min, and the temperature is 40-60°C.
  • the temperature of the twin-screw extruder during extrusion is 210 to 230°C.
  • the low shrinkage regulator, compatibilizer and initiator are added in the form of masterbatch.
  • the optimal melting and crystallization temperature can be selected to achieve early crystallization heterogeneous nucleation.
  • the masterbatch is mixed with the polypropylene resin matrix, the hydrogen bond strength generated is better, which further suppresses the problem of possible phase separation. Not only can it further It can inhibit the post-shrinkage of the product and make its surface gloss comparable to that of pure polypropylene products.
  • the preparation method of the masterbatch is:
  • the mixing speed in step (1) is 600-800 rpm and the time is 3-5 min; the temperature during one-stage extrusion is 190-200°C.
  • the mixing speed in step (2) is 400 to 600 rpm, the time is 1 to 3 minutes, and the temperature during the two-stage extrusion is 200 to 220°C.
  • Another object of the present invention is to provide the application of the low post-shrinkage polypropylene material in the preparation of home appliance parts.
  • the product of the present invention not only has surface properties (glossiness, appearance) that meet the high appearance requirements of components in the field of home appliances, but can also ensure a low post-shrinkage rate after long-term use or heat treatment, and is especially suitable for preparing some Such as home appliance casings and other components that are used in changing environments but have greater requirements for dimensional stability.
  • the invention provides a low post-shrinkage polypropylene material.
  • the material introduces a specific low-shrinkage regulator into the polypropylene, and the random copolymerized polypropylene and polyamide contained in the material can form a composite molecular chain between the three parties with the polypropylene. Entanglement, thereby effectively suppressing the post-shrinkage effect after the product is dimensionally stabilized and even after heat treatment, and the dimensional stability is strong and durable; since there is no need to add fillers such as minerals or fibers to the components to maintain product dimensional stability, the appearance and performance of the product are also can be guaranteed.
  • the invention also provides a preparation method of the low post-shrinkage polypropylene material and its application in preparing home appliance parts.
  • the raw material information used in the examples and comparative examples of the present invention is as follows:
  • Polypropylene 1 Homopolypropylene, PPH-T03 product produced by Zhenhai Refining and Chemical Co., Ltd., with a melt mass flow rate of 2.0g/10min at 230°C and 2.16kg load;
  • Polypropylene 2 Block copolymer polypropylene, PP K8003 product produced by Yangzi Petrochemical, with a melt mass flow rate of 2.2g/10min at 230°C and 2.16kg load;
  • Polypropylene 3 Homopolymer polypropylene, PP M60T product produced by Zhenhai Refining and Chemical Co., Ltd., with a melt mass flow rate of 60.0g/10min at 230°C and 2.16kg load;
  • Polypropylene 4 block copolymer polypropylene, PP M60RHC product produced by Zhenhai Refining and Chemical Co., Ltd., at 230°C, The melt mass flow rate under 2.16kg load is 59.8g/10min;
  • Random copolymerized polypropylene 1 Random propylene-ethylene copolymerized polypropylene PP RP346R, a product produced by LyondellBasell Industries, with a melt mass flow rate of 24g/10min;
  • Random copolymerized polypropylene 2 Random propylene-ethylene copolymerized polypropylene PP SM198, produced by Lotte Chemical Titan (M) Sdn. Bhd., with a melt mass flow rate of 2.3g/10min;
  • Random copolymerized polypropylene 3 Random propylene-ethylene copolymerized polypropylene PP K4912, a product produced by Shanghai Secco, with a melt mass flow rate of 12g/10min;
  • Random copolymerized polypropylene 4 Random propylene-ethylene copolymerized polypropylene PP R340S, a product produced by Braskem, with a melt mass flow rate of 45g/10min;
  • Polyamide 1 Nylon 1012, the molar ratio of methylene to amide groups in the molecular chain is 11, a product produced by Shandong Dongchen Ruisen;
  • Polyamide 2 Nylon 1010, the molar ratio of methylene to amide groups in the molecular chain is 10, a product produced by Shandong Dongchen Ruisen;
  • Polyamide 3 nylon 1212, the ratio of methylene to amide groups in the molecular chain is 12, a product produced by Shandong Dongchen Ruisen;
  • Organic peroxide initiator Organic peroxide initiator Enox 101, China Qiangsheng Co., Ltd.
  • Processing aids a mixture of commercially available hindered phenolic antioxidants, commercially available phosphite antioxidants, and commercially available erucamide, the mass ratio of the three is 1:2:2;
  • Example 17 The only difference between Example 17 and Example 1 is that the preparation method of the polypropylene composite material in this example is:
  • the preparation method of the masterbatch is:
  • the low post-shrinkage polypropylene material of the present invention has good stability. After heat treatment, it still has a low post-shrinkage rate (the shrinkage rate after 6 hours is less than 1%), and it can also maintain good gloss. From the comparison between Example 1 and Example 17, it can be seen that when the low shrinkage regulator is combined with When introduced in the form of masterbatch to prepare products, the gloss retention effect is better and is closer to the original polypropylene resin matrix. From the comparison of Examples 5 to 7, it can be seen that the melt mass flow rate of the random copolymerized polypropylene in the product components has a certain impact on the performance of the product.
  • the product The performance can take into account good gloss and low post-shrinkage; from the product performance of Example 1, Example 8, Example 9, and Comparative Example 4, it can be seen that the number of methylene groups in the molecular chain of polyamide and the amide group The ratio is a key factor affecting product performance. Only when the ratio is maintained at 10 to 12 can polyamide exert its ideal effect. From the comparison of product performance in Example 1 and Examples 10 to 14, it can be seen that when the random copolymerized polypropylene and The total amount of polyamide is constant, but when the ratio changes, the gloss and post-shrinkage rate of the product will also be affected.
  • the gloss of the product can only be maintained when the ratio of the two is (7 ⁇ 9): (1 ⁇ 2) Both the degree and post-shrinkage rate can be maintained in a stable and ideal range.
  • the product of Comparative Example 1 does not introduce a low post-shrinkage regulator, and the post-shrinkage rate of the product is higher;
  • Comparative Examples 2 and 3 only introduce random copolymerized polypropylene and polyamide as conditioning components respectively, of which Comparative Example 2
  • the shrinkage rate of the product after 6 hours reached 3.2%, which is not significantly different from the product of Comparative Example 1.
  • the post-shrinkage rate of the product of Comparative Example 3 has been reduced to a certain extent, it is still difficult to achieve the ideal shrinkage effect after adjustment.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un matériau de polypropylène à faible post-retrait et son procédé de préparation, se rapportant au domaine des matériaux polymères. Dans le matériau de polypropylène à faible post-retrait selon la présente invention, un modificateur de faible retrait spécifique est introduit dans du polypropylène, et il peut y avoir des enchevêtrements de chaînes moléculaires complexes entre le polypropylène et le polyamide copolymérisés aléatoirement et le polypropylène, ce qui permet d'inhiber efficacement un effet post-retrait après stabilisation dimensionnelle du produit et même après traitement thermique, et la stabilité dimensionnelle est forte et durable. Étant donné qu'il n'est pas nécessaire d'ajouter des charges telles que des minéraux ou des fibres aux composants pour maintenir la stabilité dimensionnelle du produit, l'aspect et la performance du produit peuvent être garantis. L'invention divulgue également un procédé de préparation du matériau de polypropylène à faible post-retrait et une application de celui-ci dans la préparation de pièces d'appareil ménagers.
PCT/CN2023/110666 2022-08-11 2023-08-02 Matériau de polypropylène à faible post-retrait et son procédé de préparation WO2024032433A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210961287.9A CN115322479B (zh) 2022-08-11 2022-08-11 一种低后收缩聚丙烯材料及其制备方法
CN202210961287.9 2022-08-11

Publications (1)

Publication Number Publication Date
WO2024032433A1 true WO2024032433A1 (fr) 2024-02-15

Family

ID=83921533

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/110666 WO2024032433A1 (fr) 2022-08-11 2023-08-02 Matériau de polypropylène à faible post-retrait et son procédé de préparation

Country Status (2)

Country Link
CN (1) CN115322479B (fr)
WO (1) WO2024032433A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115322479B (zh) * 2022-08-11 2023-12-12 上海金发科技发展有限公司 一种低后收缩聚丙烯材料及其制备方法
CN116239838A (zh) * 2022-12-30 2023-06-09 上海金发科技发展有限公司 一种聚丙烯组合物及其制备方法和应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6670421B1 (en) * 2001-08-03 2003-12-30 Aci Technologies, Llc Olefin-polyamide thermoplastic alloy and process for making the same
WO2013035764A1 (fr) * 2011-09-08 2013-03-14 日本ポリプロ株式会社 Composition de résine polypropylène renforcée par des fibres, et corps moulé associé
CN103571060A (zh) * 2013-10-30 2014-02-12 苏州万隆汽车零部件股份有限公司 一种玻璃长纤维增强聚丙烯材料及其制备方法
CN103724807A (zh) * 2013-12-17 2014-04-16 浙江普利特新材料有限公司 一种低后收缩、高模量、高抗冲的聚丙烯复合材料及其制备方法
CN105542318A (zh) * 2015-12-30 2016-05-04 上海普利特复合材料股份有限公司 一种低后收缩改性聚丙烯复合材料及其制备方法
CN110423402A (zh) * 2019-06-27 2019-11-08 浙江恒大塑胶股份有限公司 低收缩高抗冲聚丙烯材料及其制备方法
CN115322479A (zh) * 2022-08-11 2022-11-11 上海金发科技发展有限公司 一种低后收缩聚丙烯材料及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045805B (zh) * 2007-04-17 2010-08-04 广州市合诚化学有限公司 中空成型用填充聚丙烯树脂组合物及其制备方法
FR3039549B1 (fr) * 2015-07-27 2019-05-24 A Et A - Mader Procede de fabrication d'un agent anti-retrait pour le moulage d'un polyester insature en presence d'un diluant reactif, agent anti-retrait susceptible d'etre obtenu par ledit procede de fabrication
CN106700268A (zh) * 2015-11-15 2017-05-24 合肥杰事杰新材料股份有限公司 一种汽车保险杆专用低后收缩聚丙烯复合材料及其制备方法
CN109401067A (zh) * 2017-08-18 2019-03-01 广东泓睿科技有限公司 一种新型的聚丙烯材料及其制造工艺
CN109776939B (zh) * 2018-12-27 2022-03-22 会通新材料股份有限公司 一种自润滑耐熏蒸聚丙烯复合材料及其制备方法
CN113817266A (zh) * 2021-09-28 2021-12-21 上海金发科技发展有限公司 一种防异响低收缩聚丙烯组合物及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6670421B1 (en) * 2001-08-03 2003-12-30 Aci Technologies, Llc Olefin-polyamide thermoplastic alloy and process for making the same
WO2013035764A1 (fr) * 2011-09-08 2013-03-14 日本ポリプロ株式会社 Composition de résine polypropylène renforcée par des fibres, et corps moulé associé
CN103571060A (zh) * 2013-10-30 2014-02-12 苏州万隆汽车零部件股份有限公司 一种玻璃长纤维增强聚丙烯材料及其制备方法
CN103724807A (zh) * 2013-12-17 2014-04-16 浙江普利特新材料有限公司 一种低后收缩、高模量、高抗冲的聚丙烯复合材料及其制备方法
CN105542318A (zh) * 2015-12-30 2016-05-04 上海普利特复合材料股份有限公司 一种低后收缩改性聚丙烯复合材料及其制备方法
CN110423402A (zh) * 2019-06-27 2019-11-08 浙江恒大塑胶股份有限公司 低收缩高抗冲聚丙烯材料及其制备方法
CN115322479A (zh) * 2022-08-11 2022-11-11 上海金发科技发展有限公司 一种低后收缩聚丙烯材料及其制备方法

Also Published As

Publication number Publication date
CN115322479B (zh) 2023-12-12
CN115322479A (zh) 2022-11-11

Similar Documents

Publication Publication Date Title
WO2024032433A1 (fr) Matériau de polypropylène à faible post-retrait et son procédé de préparation
CN112063048B (zh) 一种低介电高熔体强度阻燃聚丙烯材料及其制备方法
CN102030963B (zh) 无卤阻燃热塑性弹性体材料及其制备方法
EP1477524A1 (fr) Compositions de resines synthetiques ligneuses
WO2022110655A1 (fr) Composite de polypropylène conducteur et procédé de préparation associé
CN113912941A (zh) 一种聚丙烯复合材料及其制备方法与应用
CN112778684B (zh) 一种高屈服应变耐低温冲击滑石粉填充聚丙烯材料及其制备方法
JP5659900B2 (ja) 変性プロピレン重合体
WO2022105149A1 (fr) Matériau de polyoléfine cyclique renforcé ayant une transparence élevée et une faible perte diélectrique, et son procédé de préparation
JP6171535B2 (ja) ポリオレフィン樹脂組成物およびそれを含む成形体
CN114479289A (zh) 一种高抗冲、高剥离性能的耐刮擦聚丙烯复合材料及其制备方法和应用
CN113912942A (zh) 一种环保无异味耐刮擦聚丙烯复合材料及其制备
CN102153830B (zh) 一种acs树脂组合物及其制备方法
JP5838575B2 (ja) 変性プロピレン重合体の製造方法
CN111560135B (zh) 一种基于静电自组装的高流动、高抗冲、低散发的pp/pe复合材料及其制备方法
JPS587665B2 (ja) プロピレンエチレンブロツク共重合体の改質方法
CN111073157A (zh) 钢琴黑高冲击高光黑色聚丙烯复合材料及其制备方法
CN114621522B (zh) 一种聚丙烯组合物及其制备方法和应用
CN114181456B (zh) 一种高硬度聚丙烯复合材料及其制备方法
CN107974026B (zh) 一种消光阻燃abs材料及其制备方法
CN115386191A (zh) 一种应用于pp/ps合金的相容剂
CN112724578B (zh) 一种聚丙烯复合物及其应用和制备方法
CN112480646B (zh) 一种高岭土增强聚苯醚组合物及其制备方法与应用
CN113717471B (zh) 一种高表面张力聚丙烯复合材料及其制备方法
CN110964258B (zh) 一种低收缩率聚丙烯组合物及其制备方法和应用

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23851654

Country of ref document: EP

Kind code of ref document: A1