CN115160672A - 一种hdpe与ldpe共混的发泡板材及其生产方法 - Google Patents
一种hdpe与ldpe共混的发泡板材及其生产方法 Download PDFInfo
- Publication number
- CN115160672A CN115160672A CN202210383673.4A CN202210383673A CN115160672A CN 115160672 A CN115160672 A CN 115160672A CN 202210383673 A CN202210383673 A CN 202210383673A CN 115160672 A CN115160672 A CN 115160672A
- Authority
- CN
- China
- Prior art keywords
- peroxide
- foamed sheet
- hdpe
- zone
- ldpe
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 42
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 42
- 229920001684 low density polyethylene Polymers 0.000 title claims abstract description 34
- 239000004702 low-density polyethylene Substances 0.000 title claims abstract description 34
- 238000005187 foaming Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 31
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 24
- 239000012968 metallocene catalyst Substances 0.000 claims abstract description 18
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims abstract description 11
- 239000005033 polyvinylidene chloride Substances 0.000 claims abstract description 11
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 10
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 10
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims abstract description 9
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004088 foaming agent Substances 0.000 claims abstract description 7
- 239000002667 nucleating agent Substances 0.000 claims abstract description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000002978 peroxides Chemical class 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 9
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 9
- 235000010234 sodium benzoate Nutrition 0.000 claims description 9
- 239000004299 sodium benzoate Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 claims description 4
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 claims description 4
- 230000003712 anti-aging effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000004611 light stabiliser Substances 0.000 claims description 3
- QEOSCXACXNFJCY-AKHDSKFASA-N (2R,3R,4S,5R)-6-benzyl-7-phenylheptane-1,2,3,4,5,6-hexol Chemical compound C(C1=CC=CC=C1)C(O)([C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO)CC1=CC=CC=C1 QEOSCXACXNFJCY-AKHDSKFASA-N 0.000 claims description 2
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 2
- 239000004343 Calcium peroxide Substances 0.000 claims description 2
- SPAGIJMPHSUYSE-UHFFFAOYSA-N Magnesium peroxide Chemical compound [Mg+2].[O-][O-] SPAGIJMPHSUYSE-UHFFFAOYSA-N 0.000 claims description 2
- 239000003242 anti bacterial agent Substances 0.000 claims description 2
- 239000002216 antistatic agent Substances 0.000 claims description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 2
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical compound [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 claims description 2
- 235000019402 calcium peroxide Nutrition 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 239000012760 heat stabilizer Substances 0.000 claims description 2
- DLINORNFHVEIFE-UHFFFAOYSA-N hydrogen peroxide;zinc Chemical compound [Zn].OO DLINORNFHVEIFE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229960004995 magnesium peroxide Drugs 0.000 claims description 2
- OKBMCNHOEMXPTM-UHFFFAOYSA-M potassium peroxymonosulfate Chemical compound [K+].OOS([O-])(=O)=O OKBMCNHOEMXPTM-UHFFFAOYSA-M 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 2
- UHCGLDSRFKGERO-UHFFFAOYSA-N strontium peroxide Chemical compound [Sr+2].[O-][O-] UHCGLDSRFKGERO-UHFFFAOYSA-N 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 229940105296 zinc peroxide Drugs 0.000 claims description 2
- QMBQEXOLIRBNPN-UHFFFAOYSA-L zirconocene dichloride Chemical compound [Cl-].[Cl-].[Zr+4].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 QMBQEXOLIRBNPN-UHFFFAOYSA-L 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 14
- -1 Polyethylene Polymers 0.000 description 9
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 150000008301 phosphite esters Chemical class 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 238000011056 performance test Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 239000012425 OXONE® Substances 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- QRUYYSPCOGSZGQ-UHFFFAOYSA-L cyclopentane;dichlorozirconium Chemical compound Cl[Zr]Cl.[CH]1[CH][CH][CH][CH]1.[CH]1[CH][CH][CH][CH]1 QRUYYSPCOGSZGQ-UHFFFAOYSA-L 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- 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
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明提供了一种HDPE与LDPE共混的发泡板材及其生产方法,所述发泡板材包括以下重量份的组分制成:HDPE母粒100份、1‑辛烯8‑10份、茂金属催化剂0.01‑0.1份、助剂母粒8‑10份、成核剂0.02‑0.1份、发泡剂0.1‑0.5份;所述助剂母粒是由LDPE和/或LLDPE在低温下与过氧化物、PVDC、DVB、HDDA以及其它助剂共混挤出而成。本发明的发泡板材及其生产方法,得到的发泡板材具有良好的韧性、易加工性、弹性模量高。
Description
技术领域
本发明涉及发泡板材技术领域,具体涉及一种HDPE与LDPE共混的发泡板材及其生产方法。
背景技术
聚乙烯(Polyethylene,PE)是由乙烯聚合而成之聚合物,产品发展至今已有60年左右历史,目前全球聚乙烯产量居五大泛用树脂之首,聚乙烯也在各个工业领域得到了广泛的应用。
聚乙烯可以被分为高密度聚乙烯(HDPE)和低密度聚乙烯(LDPE),而低密度聚乙烯又包括线性低密度聚乙烯(LLDPE)。在力学性能方面,由于HDPE主链上支链少而短,结晶度高,因此它的拉伸强度、硬度都优于LDPE,抗冲击强度低于LDPE。LDPE耐低温性能好。在化学性能方面,HDPE抗溶剂性能优于LDPE。在透气性能方面,HDPE透气性仅为LDPE的五分之一。LDPE的密度低,硬度较低,弯曲强度较低,但耐冲击强度高。HDPE由于熔体强度较低,发泡性能不及LDPE。
为了实现材料的互补,通常将HDPE与LDPE共混改性。常规的HDPE与LDPE共混材料,普遍存在共混后相容性差、发泡难度大,发泡后弹性不足,并且柔韧性较差,容易开裂,存在较大的缺陷。
发明内容
针对以上问题,本发明提供关于一种HDPE与LDPE共混的发泡板材及其生产方法,得到的发泡板材具有良好的韧性、易加工性、弹性模量高。
为实现上述目的,本发明通过以下技术方案来解决:
一种HDPE与LDPE共混的发泡板材,所述发泡板材包括以下重量份的组分制成:HDPE母粒100份、1-辛烯8-10份、茂金属催化剂0.01-0.1份、助剂母粒8-10份、成核剂0.02-0.1份、发泡剂0.1-0.5份;
所述助剂母粒是由LDPE和/或LLDPE在低温下与过氧化物、PVDC、DVB、HDDA以及其它助剂共混挤出而成。
具体的,所述茂金属催化剂是由二环戊二烯基二氯合锆与甲基铝氧组成的催化剂。
具体的,所述其它助剂选自抗老化剂、光稳定剂、热稳定剂、抗静电剂、阻燃剂、抗菌剂、润滑剂中的一种或几种。
具体的,所述过氧化物选自过氧化二叔丁基、过乙酸、过氧化苯甲酰、过氧化氢、过氧化钠、过氧化钾、过氧化钙、过氧化镁、过氧化锌、过一硫酸氢钾、过氧化锶中的一种。
具体的,所述成核剂选自苯甲酸钠、二叉苄山梨醇中的一种。
具体的,所述发泡剂选自碳酸钙、碳酸镁、碳酸氢钠中的一种。
一种发泡板材的生产方法,包括以下步骤:按照各组分含量称取HDPE母粒、1-辛烯、茂金属催化剂、助剂母粒、成核剂、发泡剂,将各原料共同投入到高速搅拌机中混合均匀,再转移至双螺杆挤出机中,挤出到模具中,固化后得到发泡板材。
具体的,所述双螺杆挤出机内的温度依次设定为一区140~160℃、二区160~180℃、三区180~200℃、四区180~200℃、过滤区170℃、模头区175℃。
具体的,所述发泡板材的发泡倍率不低于1.5倍。
本发明的有益效果是:
本发明的HDPE与LDPE共混的发泡板材及其生产方法,通过HDPE母粒与LDPE和/或LLDPE共混,实现材料的互补,使共混材料具备易加工、易发泡的特性,弹性模量高、耐磨性高、具有电绝缘性、耐寒性较好、化学稳定性好;还加入了少量1-辛烯共混发泡,熔融共混过程中,在茂金属催化剂的催化作用下,部分HDPE、LDPE、LLDPE与1-辛烯聚合生成热塑性弹性体,HDPE、LDPE、LLDPE的结晶部分形成硬段,部分由于1-辛烯的介入破坏了部分聚乙烯的结晶,1-辛烯嵌段与结晶被破坏的聚乙烯链段共同形成了弹性的软段,能够大大提升发泡板材的韧性和弹性。
具体实施方式
为了能进一步了解本发明的特征、技术手段以及所达到的具体目的、功能,下面结合具体实施方式对本发明作进一步的详细描述。
实施例1
发泡板材包括以下组分制成:HDPE母粒10kg、1-辛烯0.8kg、茂金属催化剂0.003kg、助剂母粒0.8kg、苯甲酸钠0.005kg、碳酸钙0.02kg。
其中,助剂母粒包括以下组分制成:LDPE 770g、过氧化二叔丁基10g、PVDC 10g、DVB 6g、HDDA 2g、亚磷酸酯1g、邻羟基二苯甲酮1g。
上述配方中,过氧化二叔丁基作为过氧化物,亚磷酸酯作为抗老化剂,邻羟基二苯甲酮作为光稳定剂,茂金属催化剂是由二环戊二烯基二氯合锆与甲基铝氧按照10:1的质量比组成的催化剂。
此外,上述的PVDC是具备阻隔性高、韧性强以及低温热封、热收缩性和化学稳定性良好等特性的成分,加入到发泡板材中,能够使发泡板材的阻湿、阻氧、防潮、耐酸碱、耐油浸和耐多种化学溶剂等性能得到提升。
助剂母粒的生产过程如下:将770g LDPE、10g过氧化二叔丁基、10g PVDC、6g DVB、2gHDDA、1g亚磷酸酯、1g邻羟基二苯甲酮投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,挤出后并裁切后得到助剂母粒。
发泡板材的生产过程如下:将10kg HDPE母粒、0.8kg 1-辛烯、0.003kg茂金属催化剂、0.8kg助剂母粒、0.005kg苯甲酸钠、0.02kg碳酸钙投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,双螺杆挤出机内的温度依次设定为一区140℃、二区160℃、三区180℃、四区180℃、过滤区170℃、模头区175℃,挤出到模具中,经过发泡并固化后得到发泡板材,在熔融共混过程中,在茂金属催化剂的催化作用下,部分HDPE、LDPE与1-辛烯聚合生成热塑性弹性体,HDPE、LDPE的结晶部分形成硬段,部分由于1-辛烯的介入破坏了部分聚乙烯的结晶,1-辛烯嵌段与结晶被破坏的聚乙烯链段共同形成了弹性的软段,能够大大提升发泡板材的韧性和弹性。此外,在熔融共混以及模具成型过程中,由于碳酸钙受热逐渐分解并产生气泡,气泡是材料中形成若干气孔,从而得到的发泡板材具有良好的弹性,本实施例的发泡板材的发泡倍率为1.8倍。
对实施例1制备得到的发泡板材进行性能测试,测试结果记录如下表1。
实施例2
发泡板材包括以下组分制成:HDPE母粒10kg、1-辛烯0.8kg、茂金属催化剂0.003kg、助剂母粒0.8kg、苯甲酸钠0.005kg、碳酸钙0.02kg。
其中,助剂母粒包括以下组分制成:LLDPE 770g、过氧化二叔丁基10g、PVDC 10g、DVB 6g、HDDA 2g、亚磷酸酯1g、邻羟基二苯甲酮1g。
上述配方中,茂金属催化剂是由二环戊二烯基二氯合锆与甲基铝氧按照10:1的质量比组成的催化剂。
助剂母粒的生产过程如下:将770g LLDPE、10g过氧化二叔丁基、10g PVDC、6gDVB、2g HDDA、1g亚磷酸酯、1g邻羟基二苯甲酮投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,挤出后并裁切后得到助剂母粒。
发泡板材的生产过程如下:将10kg HDPE母粒、0.8kg 1-辛烯、0.003kg茂金属催化剂、0.8kg助剂母粒、0.005kg苯甲酸钠、0.02kg碳酸钙投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,双螺杆挤出机内的温度依次设定为一区140℃、二区160℃、三区180℃、四区180℃、过滤区170℃、模头区175℃,挤出到模具中,经过发泡并固化后得到发泡板材,本实施例的发泡板材的发泡倍率为1.55倍。
对实施例2制备得到的发泡板材进行性能测试,测试结果记录如下表1。
实施例3
发泡板材包括以下组分制成:HDPE母粒10kg、1-辛烯0.8kg、茂金属催化剂0.003kg、助剂母粒0.8kg、苯甲酸钠0.005kg、碳酸钙0.02kg。
其中,助剂母粒包括以下组分制成:385g LDPE、385g LLDPE、过氧化二叔丁基10g、PVDC10g、DVB 6g、HDDA 2g、亚磷酸酯1g、邻羟基二苯甲酮1g。
上述配方中,茂金属催化剂是由二环戊二烯基二氯合锆与甲基铝氧按照10:1的质量比组成的催化剂。
助剂母粒的生产过程如下:将385g LDPE、385g LLDPE、10g过氧化二叔丁基、10gPVDC、6g DVB、2g HDDA、1g亚磷酸酯、1g邻羟基二苯甲酮投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,挤出后并裁切后得到助剂母粒。
发泡板材的生产过程如下:将10kg HDPE母粒、0.8kg 1-辛烯、0.003kg茂金属催化剂、0.8kg助剂母粒、0.005kg苯甲酸钠、0.02kg碳酸钙投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,双螺杆挤出机内的温度依次设定为一区140℃、二区160℃、三区180℃、四区180℃、过滤区170℃、模头区175℃,挤出到模具中,经过发泡并固化后得到发泡板材,本实施例的发泡板材的发泡倍率为1.6倍。
对实施例3制备得到的发泡板材进行性能测试,测试结果记录如下表1。
对比例1
将HDPE母粒10kg、苯甲酸钠0.005kg、碳酸钙0.02kg投入到搅拌装置中混合,再将混合料转移至双螺杆挤出机中,双螺杆挤出机内的温度依次设定为一区140℃、二区160℃、三区180℃、四区180℃、过滤区170℃、模头区175℃,挤出到模具中,经过发泡并固化后得到HDPE发泡板材,对比例1的HDPE发泡板材的发泡倍率为1.2倍。对HDPE发泡板材进行产品性能测试,测试结果记录如下表1。
表1实施例1-3与对比例1的性能测试结果
实施例1 | 实施例2 | 实施例3 | 对比例1 | |
发泡倍率 | 1.8 | 1.55 | 1.6 | 1.2 |
纵向回缩率(110℃) | 1.1% | 1.04% | 1.05% | 0.8% |
断裂伸长率 | 572% | 531% | 550% | 393% |
本体拉伸屈服强度 | 2.14MPa | 2.31MPa | 2.42MPa | 2.01MPa |
弯曲强度 | 34.7MPa | 35.2MPa | 37.8MPa | 30.5MPa |
由表1的测试结果可知,经过测试经过本发明的配方和工艺得到的发泡板材,相比普通的HDPE发泡板材,发泡倍率、纵向回缩率、断裂伸长率、本体拉伸屈服强度、弯曲强度均有所提高。
以上所述实施例仅表达了本发明的3种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
Claims (9)
1.一种HDPE与LDPE共混的发泡板材,其特征在于,所述发泡板材包括以下重量份的组分制成:HDPE母粒100份、1-辛烯8-10份、茂金属催化剂0.01-0.1份、助剂母粒8-10份、成核剂0.02-0.1份、发泡剂0.1-0.5份;
所述助剂母粒是由LDPE和/或LLDPE在低温下与过氧化物、PVDC、DVB、HDDA以及其它助剂共混挤出而成。
2.根据权利要求1所述的一种HDPE与LDPE共混的发泡板材,其特征在于,所述茂金属催化剂是由二环戊二烯基二氯合锆与甲基铝氧组成的催化剂。
3.根据权利要求1所述的一种HDPE与LDPE共混的发泡板材,其特征在于,所述其它助剂选自抗老化剂、光稳定剂、热稳定剂、抗静电剂、阻燃剂、抗菌剂、润滑剂中的一种或几种。
4.根据权利要求1所述的一种HDPE与LDPE共混的发泡板材,其特征在于,所述过氧化物选自过氧化二叔丁基、过乙酸、过氧化苯甲酰、过氧化氢、过氧化钠、过氧化钾、过氧化钙、过氧化镁、过氧化锌、过一硫酸氢钾、过氧化锶中的一种。
5.根据权利要求1所述的一种HDPE与LDPE共混的发泡板材,其特征在于,所述成核剂选自苯甲酸钠、二叉苄山梨醇中的一种。
6.根据权利要求1所述的一种HDPE与LDPE共混的发泡板材,其特征在于,所述发泡剂选自碳酸钙、碳酸镁、碳酸氢钠中的一种。
7.一种如权利要求1~6任一项所述发泡板材的生产方法,其特征在于,包括以下步骤:按照各组分含量称取HDPE母粒、1-辛烯、茂金属催化剂、助剂母粒、成核剂、发泡剂,将各原料共同投入到高速搅拌机中混合均匀,再转移至双螺杆挤出机中,挤出到模具中,固化后得到发泡板材。
8.根据权利要求7所述的一种发泡板材的生产方法,其特征在于,所述双螺杆挤出机内的温度依次设定为一区140~160℃、二区160~180℃、三区180~200℃、四区180~200℃、过滤区170℃、模头区175℃。
9.根据权利要求7所述的一种发泡板材的生产方法,其特征在于,所述发泡板材的发泡倍率不低于1.5倍。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210383673.4A CN115160672A (zh) | 2022-04-12 | 2022-04-12 | 一种hdpe与ldpe共混的发泡板材及其生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210383673.4A CN115160672A (zh) | 2022-04-12 | 2022-04-12 | 一种hdpe与ldpe共混的发泡板材及其生产方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115160672A true CN115160672A (zh) | 2022-10-11 |
Family
ID=83482689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210383673.4A Pending CN115160672A (zh) | 2022-04-12 | 2022-04-12 | 一种hdpe与ldpe共混的发泡板材及其生产方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115160672A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100196641A1 (en) * | 2007-05-31 | 2010-08-05 | Saudi Basic Industries Corporation | Polyethylene foam |
CN103113653A (zh) * | 2013-02-06 | 2013-05-22 | 常州大学 | 一种hdpe/ldpe共混发泡材料及其制备方法 |
CN104558780A (zh) * | 2015-01-21 | 2015-04-29 | 浙江伟星新型建材股份有限公司 | 一种高密度聚乙烯微孔发泡管材及其制备方法 |
CN108329597A (zh) * | 2018-03-21 | 2018-07-27 | 惠州市峄董塑胶科技有限公司 | 一种pp与pe合金结构发泡板材及其制备方法 |
-
2022
- 2022-04-12 CN CN202210383673.4A patent/CN115160672A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100196641A1 (en) * | 2007-05-31 | 2010-08-05 | Saudi Basic Industries Corporation | Polyethylene foam |
CN103113653A (zh) * | 2013-02-06 | 2013-05-22 | 常州大学 | 一种hdpe/ldpe共混发泡材料及其制备方法 |
CN104558780A (zh) * | 2015-01-21 | 2015-04-29 | 浙江伟星新型建材股份有限公司 | 一种高密度聚乙烯微孔发泡管材及其制备方法 |
CN108329597A (zh) * | 2018-03-21 | 2018-07-27 | 惠州市峄董塑胶科技有限公司 | 一种pp与pe合金结构发泡板材及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103030883A (zh) | 一种可快速注塑成型的聚丙烯复合材料及其制备方法 | |
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 | |
EP2976381B1 (en) | Bamboo fibers reinforced polypropylene compositions | |
JPS59191756A (ja) | ポリエステル樹脂組成物 | |
JPS5839854B2 (ja) | 三元熱可塑性成形コンパウンド | |
CN1995124A (zh) | 一种用于制造中央空调排风软管的高韧聚丙烯材料及其制备方法 | |
CN110698771A (zh) | 一种tpv微发泡材料及其生产工艺 | |
CN113061303A (zh) | 一种玻纤增强聚丙烯材料及其制备方法 | |
CN112321996A (zh) | 一种含磷阻燃可降解聚酯材料及其制备方法 | |
CN113930012B (zh) | 一种阻燃聚丙烯材料及其制备方法和应用 | |
CN112029190A (zh) | 一种微发泡聚丙烯材料及其制备方法 | |
KR100918290B1 (ko) | 유동성 및 내 충격성이 우수한 폴리프로필렌 수지 조성물및 이로부터 제조된 폴리프로필렌 성형품 | |
DE102012025258A1 (de) | Verfahren zur Aufbereitung von recyceltem HDPE | |
CN107501717B (zh) | 一种聚丙烯填充母粒及其制备方法 | |
CN112724514A (zh) | 一种适用于挤板吸塑的pp复合材料及其制备方法和应用 | |
CN115160672A (zh) | 一种hdpe与ldpe共混的发泡板材及其生产方法 | |
CN104086940A (zh) | 无卤阻燃tpe注塑料及其制备方法 | |
CN108530786B (zh) | 一种耐老化hips发泡塑料及其制备方法 | |
KR102592487B1 (ko) | 용융 흐름성과 내충격성이 우수한 프로필렌 수지 조성물 | |
CN114933741A (zh) | 一种高刚高抗冲聚丙烯复合助剂及其制备方法 | |
KR101677495B1 (ko) | 친환경 유연성 폴리아미드 컴파운드 | |
CN110229421B (zh) | 一种耐高温注塑聚丙烯材料及其制备方法和应用 | |
CN113136074A (zh) | 一种高韧均聚聚丙烯组合物及其制备方法 | |
CN112266579A (zh) | 一种改性聚酯弹性体薄膜及其制备方法 | |
KR100814985B1 (ko) | 투명성 및 내충격성이 우수한 폴리프로필렌 수지 조성물 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230303 Address after: 516123 junction of Yuanzhou Avenue and Boyuan Road, Heshan village, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Applicant after: HUIZHOU YIDONG PLASTIC TECHNOLOGY Co.,Ltd. Address before: 516123 junction of Yuanzhou Avenue and Boyuan Road, Heshan village, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Applicant before: Zhang Ruiyang |
|
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221011 |