CN103937094A - 一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用 - Google Patents
一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用 Download PDFInfo
- Publication number
- CN103937094A CN103937094A CN201410130660.1A CN201410130660A CN103937094A CN 103937094 A CN103937094 A CN 103937094A CN 201410130660 A CN201410130660 A CN 201410130660A CN 103937094 A CN103937094 A CN 103937094A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- polypropylene material
- resist
- graft
- screw
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/39—Plasticisers, homogenisers or feeders comprising two or more stages a first extruder feeding the melt into an intermediate location of a second extruder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B2009/125—Micropellets, microgranules, microparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92657—Volume or quantity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92838—Raw material pre-treatment, e.g. drying or cleaning
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- 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
本发明涉及一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用。所述增强聚丙烯材料按重量百分比由以下组分组成:聚丙烯50~70%;聚乙烯接枝物5~10%;聚丙烯接枝物2~8%;填充剂1~3%;玻璃纤维20~30%;偶联剂0.4~1%;分散剂0.4~1%;抗氧剂0.2~0.5%;本发明制得的抗打螺钉爆裂增强聚丙稀材料具有高模量、高冲击特性、耐应力开裂,及稳定的收缩率,使得制件装备时具有抗打螺钉爆裂的特性,极大地拓展了增强聚丙稀材料的应用领域。
Description
技术领域
本发明涉及高分子材料技术领域,尤其涉及一种抗打螺钉爆裂增强聚丙烯材料及其制备方法。
背景技术
聚丙烯树脂(PP)是一种用途广泛的通用塑料,具有密度低,优良的耐化学腐蚀性,较好的机械性能。良好的加工性能和价格相对低廉而广泛应用于汽车工业、家用电器、仪表及建筑等领域。但是相对于工程塑料而言,PP的机械强度较低,一般拉伸强度只有约30MPa,弯曲强度只有约36MPa,使其在应用于需承受力的一些结构件时受到一定程度制约。PP在添加玻璃纤维增强后,大大提高了其机械强度,耐热性和尺寸稳定性,拓展了PP在汽车、家电、军事等领域的应用。
专利号CN102807710A给出了一种玻璃纤维增强聚丙烯复合材料及其制备方法,其采用共聚聚丙烯同玻璃纤维和绢云母复合制备了高刚度,高耐热的低共弯曲度增强聚丙烯材料;专利号CN102241860A给出了一种增强聚丙烯材料及其制备方法,该发明得到的聚丙烯材料具有高冲击强度和良好表面光洁度;专利CN101376728A给出了一种增强聚丙烯复合材料及其制备方法,该发明采用空心玻璃纳米作为增强剂,以单螺杆挤出机作为挤出制备,制得的增强聚丙烯材料具有强度高、收缩率小、并且产品表面光滑。
但是由于相容技术,往往难同时得到高模量、高冲击的增强PP材料,在一些大型制件,如洗衣机桶体装备打螺钉时,现有技术中的增强PP材料因达不到既高刚又高韧及又耐应力疲劳开裂及稳定的收缩率,经常出现打螺钉爆裂现象,其后果是:一是造成废品率高,二是产品存在后使用隐患缺陷。
目前,还未公开有一种具有高刚、高韧、耐应力疲劳开裂及稳定收缩率,并在装备大型制件打螺钉时防止爆裂的增强聚丙烯材料。
发明内容
本发明的目的在于克服现有技术存在的上述不足,提供一种抗打螺钉爆裂增强聚丙烯材料,该增强聚丙烯材料具有高模量、高冲击特性、耐应力开裂,同时具有稳定的收缩率,从而有效避免在大型制件打螺钉时引起的爆裂现象。
本发明的另一个目的是提供上述抗打螺钉爆裂增强聚丙烯材料的制备方法。
本发明的另一个目的是提供上述抗打螺钉爆裂增强聚丙烯材料作为高分子材料在大型家电、汽车、办公领域中的应用。
为实现上述目的,本发明采用如下技术方案:
一种抗打螺钉爆裂增强聚丙烯材料,按重量百分比由以下组分组成:
聚丙烯50~70%;聚乙烯接枝物5~10%;聚丙烯接枝物2~8%;填充剂1~3%;玻璃纤维20~30%;偶联剂0.4~1%;分散剂0.4~1%;抗氧剂0.2~0.5%;
其中,所述聚乙烯接枝物为茂金属合成低密度线性聚乙烯的酸酐类物质的接枝物;所述聚丙烯接枝物为聚丙烯的酸酐类物质的接枝物。
本发明所述的增强聚丙烯材料通过复合添加结合力强的缠绕型聚乙烯接枝物以及聚丙烯接枝物、纳米无机粉体填料,制备的增强聚丙烯材料具备高模量、高强度和较高韧性的平衡特性,同时具有更优的耐应力开裂性和稳定的成型收缩率,使制备的增强聚丙烯材料在制成一些大型制件装备时,具有抗打螺钉爆裂的特性。可广泛应用家电(如洗衣机桶体)、办公器件、汽车等领域。
作为一种优选方案,所述抗打螺钉爆裂增强聚丙烯材料,优选按重量百分比由以下组分组成:
聚丙烯55~62%;聚乙烯接枝物5~10%;聚丙烯接枝物2~8%;填充剂1~3%;玻璃纤维27~30%;偶联剂0.4~1%;分散剂0.4~1%;抗氧剂0.2~0.5%;
其中,所述聚乙烯接枝物为茂金属合成低密度线性聚乙烯的酸酐类物质的接枝物;所述聚丙烯接枝物为聚丙烯的酸酐类物质的接枝物。
优选地,所述聚乙烯接枝物为马来酸酐接枝的聚乙烯;所述聚丙烯接枝物为马来酸酐接枝的聚丙烯。
优选地,所述聚乙烯接枝物的接枝率为0.5~2%,所述聚丙烯接枝物的接枝率为0.5~2%。一般认为,在上述范围内,接枝率越高,对聚丙烯材料的刚性、韧性及耐应力提高有更大的帮助。
最优选地,所述聚乙烯接枝物的接枝率为1.0%,所述聚丙烯接枝物的接枝率为0.8%。
优选地,所述聚丙烯为均聚聚丙烯, 相对密度为0.9~0.93g/cm3,熔体流动速度为2~5g/10min(190℃,2.16KG)。
优选地,所述填充剂为纳米碳酸钙, 相对密度为2.7~2.9g/cm3,粒径为10000~30000目。
优选地,所述玻璃纤维为短切玻璃纤维, 其相对密度为2.4~2.7 g/cm3,单丝直径为9~13um,长度为3.5mm。
优选地,所述偶联剂为r-氨丙基三乙氧基硅烷, 其沸点217℃,密度0.946g/cm3,分子量2214。
优选地,所述分散剂为亚乙基硬酯酰胺, 其分子量为593.02。
优选地,所述抗氧剂为[β-(3.5-二叔丁基-4-羟基苯基)丙酸]季戍四醇酯或亚磷三(2.4-二叔丁基苯基)酯中的一种或两种的混合物。
进一步优选地,所述抗氧剂为抗氧剂1010和抗氧剂168的混合物。
其中,抗氧剂1010为[β-(3.5-二叔丁基-4-羟基苯基)丙酸]季戍四醇酯(1010),其分子量为1177.6,熔点120℃;抗氧剂168为亚磷酸三(2.4-二叔丁基苯基)酯,其分子量为647.0,熔点185℃。
上述抗打螺钉爆裂增强聚丙烯材料的制备方法,包括以下步骤:
S1:按重量配比称取聚丙烯、聚乙烯接枝物、玻璃纤维、填充剂、聚丙烯接枝物、偶联剂、分散剂、抗氧剂;
S2:将步骤S1中称量好的聚丙烯、聚乙烯接枝物、聚丙烯接枝物与偶联剂先在高速混合箱中混合3~5分钟后,再加入除玻璃纤维以外的其它组分一起继续混合5~10分钟;
S3:将步骤S2中混合好的材料投入到双螺杆挤出机的加料斗,玻璃纤维从双螺杆挤出机的侧喂料加入,经熔融、混炼、挤出、冷却、干燥、切粒及包装得到产品。
优选地,所述双螺杆挤出机的挤出温度为210~230℃,螺杆转数为400~500转/分钟。
上述抗打螺钉爆裂增强聚丙烯材料作为高分子材料在大型家电、汽车、办公领域中的应用。
优选地,上述大型家电为洗衣机桶体。
与现有技术相比,本发明具有如下有益效果:
本发明采用添加PP、PE接枝物以及纳米无机粉体与PP短切玻璃纤维复合,制备的打螺钉爆裂增强聚丙烯材料具有高模量、高强度、较高韧性的平衡特性和稳定的成型收缩率,采用本发明的增强聚丙烯材料在制成一些大型制件装备时,具有抗打螺钉爆裂的特性。
具体实施方式
下面结合实施例对本发明做进一步的描述。这些实施例仅是对本发明的典型描述,但本发明不限于此。下述实施例中所用的试验方法如无特殊说明,均为常规方法,所使用的原料,试剂等,如无特殊说明,均为可从常规市购等商业途径得到的原料和试剂。
在以下实施例中:
所用聚丙烯的相对密度为0.9~0.93g/cm3,熔体流动速度为2~5g/10min(190℃,2.16KG)的均聚聚丙烯,可选用茂名石化产的均聚T30S,其相对密度为0.91g/cm3,熔体流动速度为3g/10min。
PE接枝物为茂金属合成聚乙烯制备的马来酸酐接枝物,其接枝率为1.0%,熔体流动速度为50g/10min(190℃,2.16KG),可选用商品名为KTS-17的PE接枝物。
PP接枝物为均聚聚丙烯接枝马来酸酯,其接枝率为0.8%,熔体流动速度为40 g/10min(190℃,2.16KG),可选用商品名为KT-2的PP接枝物。
填充剂为纳米碳酸钙,相对密度为2.7~2.9 g/cm3,粒径为10000~30000目。
玻璃纤维为短切玻璃纤维,其相对密度为2.4~2.7 g/cm3,单丝直径为9~13um,长度为3.5mm,可选用山东泰山玻璃纤维厂生产的短切纤维538A。
偶联剂为r-氨丙基三甲乙氧基硅烷,可选用江苏曙光化工厂生产的KH550,其沸点217 oC,密度0.946g/cm3,分子量2214。
分散剂为亚乙基硬酯酰胺,可选用日本花王产的EBS,其分子量为593.02。
抗氧剂1010为[β-(3.5-二叔丁基-4-羟基苯基)丙酸]季戍四醇酯(1010),可选用德国巴斯夫生产的抗氧1010,其分子量为1177.6,熔点120℃。
抗氧剂168为亚磷酸三(2.4-二叔丁基苯基)酯,可选用德国巴斯夫生产的抗氧剂168,其分子量为647.0,熔点185℃。
实施例1~8及对比例1~3的具体组成及配方如表1所示,表1中所述原料按质量百分比投料,然后进行后续测试。
表1
制备上述增强聚丙烯材料的方法,包括如下步骤:
S1:按重量配比称取聚丙烯,聚乙烯,玻璃纤维,填充剂,聚丙烯接枝物,偶联剂,分散剂,抗氧剂。
S2:将称量好的聚丙烯,聚乙烯及聚丙烯接枝物同偶联剂先在高速混合箱中混合3~5分钟后,再加入除玻璃纤维外的其它组份一起再混合5~10分钟。
S3:将步骤S2中混合好的材料投入到双螺杆挤出机的加料斗,玻璃纤维从双螺杆挤出机的侧喂料加入,经熔融、混炼、挤出、冷却、干燥、切粒和包装得到产品。
作为一种优选方案,双螺杆挤出机的挤出温度为210~230℃,螺杆转数为400~500转/分钟。
试验时螺杆区段温度分别设定为:一区温度:170℃;二区温度:180℃;三区温度:190℃;四区温度205℃;五区温度:215℃;六区温度:225℃;七区温度:225℃;八区温度:220℃;机头温度:220℃。
试验例
本试验例的试样的成型收缩率和力学性能按照如下测定方法进行测定:
拉伸强度,按ASTMD638-2003标准进行测试;
弯曲模量,按ASTMD790-2003标准进行测试;
悬臂梁缺口冲击强度,按ASTMD256-2010标准进行测试;
断裂伸长率,按ASTMD638-2003标准进行测试;
熔融指数,按ASTMD1238-2004标准进行测试。
流动水平方向收缩率,按ASTMDP55-2008标准测试。
打螺钉爆裂测试:将实施例和对比例制得的增强聚丙烯分别制成5kg洗衣桶,各取20个桶体在装配线上打螺钉(每个桶体需打7个螺钉,统计其爆裂个数。)
实施例1~8及对比例1~3的测试结果如表2所示:
表2
由表2可看出,采用本发明所述的配方制备得到的增强聚丙烯材料具有高刚性(弯曲模量>4800MPA),高冲击(悬臂梁缺口冲击强度>120J/M),且在制成大型制件装备时具有抗打螺钉爆裂之特性。
本发明所述的增强聚丙稀材料通过复合添加结合力强的缠绕型聚乙稀接枝物以及聚丙稀接枝物、纳米无机粉体填料,制备的增强聚丙稀材料具备高模量、高强度和较高韧性的平衡特性,同时具有更优的耐应力开裂性和稳定的成型收缩率,使制备的增强聚丙烯材料在制成一些大型制件装备时,具有抗打螺钉爆裂的特性。可广泛应用家电(如洗衣机桶体)、办公器件、汽车等领域。
Claims (10)
1.一种抗打螺钉爆裂增强聚丙烯材料,其特征在于,所述增强聚丙烯材料按重量百分比由以下组分组成:
聚丙烯50~70%;
聚乙烯接枝物5~10%;
聚丙烯接枝物2~8%;
填充剂1~3%;
玻璃纤维20~30%;
偶联剂0.4~1%;
分散剂0.4~1%;
抗氧剂0.2~0.5%;
其中,所述聚乙烯接枝物为茂金属合成低密度线性聚乙烯的酸酐类物质的接枝物;所述聚丙烯接枝物为聚丙烯的酸酐类物质的接枝物。
2.根据权利要求1所述抗打螺钉爆裂增强聚丙烯材料,其特征在于,所述聚乙烯接枝物为马来酸酐接枝的聚乙烯,所述聚丙烯接枝物为马来酸酐接枝的聚丙烯。
3.根据权利要求1所述抗打螺钉爆裂增强聚丙烯材料,其特征在于,所述聚乙烯接枝物的接枝率为0.5~2%,所述聚丙烯接枝物的接枝率为0.5~2%。
4.根据权利要求3所述抗打螺钉爆裂增强聚丙烯材料,其特征在于,所述聚乙烯接枝物的接枝率为1.0%,所述聚丙烯接枝物的接枝率为0.8%。
5.根据权利要求1所述抗打螺钉爆裂增强聚丙烯材料,其特征在于,所述聚丙烯为均聚聚丙烯。
6.根据权利要求1所述抗打螺钉爆裂增强聚丙烯材料,其特征在于,所述填充剂为纳米碳酸钙。
7.权利要求1~9中任意一项权利要求所述抗打螺钉爆裂增强聚丙烯材料的制备方法,其特征在于,包括以下步骤:
S1:按重量配比称取聚丙烯、聚乙烯接枝物、玻璃纤维、填充剂、聚丙烯接枝物、偶联剂、分散剂、抗氧剂;
S2:将步骤S1中称量好的聚丙烯、聚乙烯接枝物、聚丙烯接枝物与偶联剂先在高速混合箱中混合3~5分钟后,再加入除玻璃纤维以外的其它组分一起继续混合5~10分钟;
S3:将步骤S2中混合好的材料投入到双螺杆挤出机的加料斗,玻璃纤维从双螺杆挤出机的侧喂料加入,经熔融、混炼、挤出、冷却、干燥、切粒及包装得到产品。
8.根据权利要求9所述抗打螺钉爆裂增强聚丙烯材料的制备方法,其特征在于,双螺杆挤出机的挤出温度为210~230℃,螺杆转数为400~500转/分钟。
9.权利要求1至6任意权利要求所述抗打螺钉爆裂增强聚丙烯材料作为高分子材料在大型家电、汽车、办公领域中的应用。
10.根据权利要求9所述的应用,其特征在于,所述大型家电为洗衣机桶体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410130660.1A CN103937094B (zh) | 2014-04-02 | 2014-04-02 | 一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410130660.1A CN103937094B (zh) | 2014-04-02 | 2014-04-02 | 一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103937094A true CN103937094A (zh) | 2014-07-23 |
CN103937094B CN103937094B (zh) | 2016-03-02 |
Family
ID=51184986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410130660.1A Expired - Fee Related CN103937094B (zh) | 2014-04-02 | 2014-04-02 | 一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103937094B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105949621A (zh) * | 2016-06-20 | 2016-09-21 | 苏州科斯曼照明工程有限公司 | 一种用于制作地面线缆走线盖的材料 |
CN106566086A (zh) * | 2016-11-07 | 2017-04-19 | 惠州航创密封件有限公司 | 一种pp改性材料及其制备方法 |
CN116041845A (zh) * | 2022-12-23 | 2023-05-02 | 上海金发科技发展有限公司 | 一种聚丙烯复合材料及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837036A (ja) * | 1981-08-31 | 1983-03-04 | Tokuyama Soda Co Ltd | ポリオレフイン組成物 |
CN103030891A (zh) * | 2013-01-09 | 2013-04-10 | 华东理工大学 | 一种长玻璃纤维增强聚丙烯复合材料及其制备方法 |
CN103044775A (zh) * | 2012-12-26 | 2013-04-17 | 江苏金发科技新材料有限公司 | 汽车散热器格栅用玻纤增强聚丙烯复合材料及其制备工艺 |
-
2014
- 2014-04-02 CN CN201410130660.1A patent/CN103937094B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837036A (ja) * | 1981-08-31 | 1983-03-04 | Tokuyama Soda Co Ltd | ポリオレフイン組成物 |
CN103044775A (zh) * | 2012-12-26 | 2013-04-17 | 江苏金发科技新材料有限公司 | 汽车散热器格栅用玻纤增强聚丙烯复合材料及其制备工艺 |
CN103030891A (zh) * | 2013-01-09 | 2013-04-10 | 华东理工大学 | 一种长玻璃纤维增强聚丙烯复合材料及其制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105949621A (zh) * | 2016-06-20 | 2016-09-21 | 苏州科斯曼照明工程有限公司 | 一种用于制作地面线缆走线盖的材料 |
CN106566086A (zh) * | 2016-11-07 | 2017-04-19 | 惠州航创密封件有限公司 | 一种pp改性材料及其制备方法 |
CN116041845A (zh) * | 2022-12-23 | 2023-05-02 | 上海金发科技发展有限公司 | 一种聚丙烯复合材料及其制备方法和应用 |
CN116041845B (zh) * | 2022-12-23 | 2023-12-22 | 上海金发科技发展有限公司 | 一种聚丙烯复合材料及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN103937094B (zh) | 2016-03-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103601976B (zh) | 一种泳池扶梯踏板用的玻纤增强聚丙烯材料及其制备方法 | |
CN107200928A (zh) | 一种玻璃纤维增强聚丙烯‑尼龙复合材料及其制备方法 | |
CN103589058A (zh) | 一种增强聚丙烯复合材料及其制备方法 | |
CN104403258A (zh) | 一种阻燃增强abs复合材料及其制备方法 | |
CN107083030A (zh) | 一种低翘曲高强度玻纤增强pbt/asa合金材料及其制备方法 | |
CN102311577B (zh) | 一种玻纤增强阻燃聚丙烯复合材料及其制备方法 | |
CN103205053A (zh) | 一种纳米改性低收缩低烟无卤阻燃聚烯烃电缆料及其制备 | |
CN103044818B (zh) | 一种pvc/asa合金材料及其制备方法 | |
CN110591220A (zh) | 一种高模量改性聚丙烯克拉管及其生产方法 | |
CN102604250A (zh) | 一种高性能玻纤增强阻燃sPS复合材料及其制备方法 | |
CN103333415A (zh) | 一种低成型收缩率、不翘曲变形的改性聚丙烯材料及其制备方法 | |
CN103937094B (zh) | 一种抗打螺钉爆裂增强聚丙烯材料、其制备方法及其应用 | |
CN104109356B (zh) | 一种增强再生pet/pe合金材料及其制备方法 | |
CN103436012B (zh) | 一种超高分子量聚乙烯改性尼龙66及其制备方法 | |
CN110964286A (zh) | 一种聚丙烯塑木复合材料及其制备方法 | |
CN110498996A (zh) | 一种玻纤增强聚丙烯组合物及制备方法 | |
JP2019529620A (ja) | 衝撃強度が向上されたガラス繊維複合材料造成物 | |
CN103073838A (zh) | 一种abs/pom合金及其制备方法 | |
CN102942736A (zh) | 一种高玻纤含量增强聚丙烯材料及其制备方法 | |
CN103755881A (zh) | 聚苯硫醚与聚酰胺的相容剂、含该相容剂的聚苯硫醚/聚酰胺复合材料及其制备方法 | |
CN102432947B (zh) | 一种复合纤维增强聚丙烯材料及其制备方法 | |
CN106947165A (zh) | 一种高强度耐热聚丙烯塑料管材及其制备方法 | |
CN105949608A (zh) | 具备优良应力缓冲吸收的聚丙烯复合材料及其制备方法 | |
CN110698832B (zh) | 一种纳米粒子增强的阻燃耐老化pc复合材料及其制备方法 | |
CN109608807A (zh) | 一种阻燃聚苯乙烯组合物及其制备方法与应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20200402 |
|
CF01 | Termination of patent right due to non-payment of annual fee |