CN103214986B - 一种高性能热熔胶及其制备方法 - Google Patents

一种高性能热熔胶及其制备方法 Download PDF

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CN103214986B
CN103214986B CN201310092744.6A CN201310092744A CN103214986B CN 103214986 B CN103214986 B CN 103214986B CN 201310092744 A CN201310092744 A CN 201310092744A CN 103214986 B CN103214986 B CN 103214986B
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melt adhesive
hot melt
powder
high performance
preparation
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CN103214986A (zh
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陈贤锋
阚蕾
申大伟
沈根
骆敏
申丽霞
陈玉娟
沈春花
沈红梅
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DANGTU ZHONGLAN RUBBER & PLASTIC PRODUCTS CO., LTD.
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MAANSHAN ZHONGLAN RUBBER AND PLASTIC PRODUCTS CO Ltd
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    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • 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
    • B29C2948/92704—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
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

本发明公开了一种高性能热熔胶及其制备方法，其组成原料的重量份为：无规聚丙烯20-30、茂金属间规聚丙烯树脂30-40、六偏磷酸钠15-20、小于45微米阿克蜡10-15、滑石粉35-45、儿茶酚1.8-2.2、乙烯基三(β-甲氧基乙氧基)硅烷1.3-1.5、顺丁烯二酸二丁酯0.8-1.2、混合粉1.4-1.6；本发明配方合理，制备方法简单，在原料中添加了小于45微米阿克蜡，使制得的热熔胶的软化点温度提高，同时添加了滑石粉，增加了热熔胶的粘结强度，流动性好，本发明具有环保、安全、耐候性和成本低廉的优点。

Description

一种高性能热熔胶及其制备方法
技术领域
本发明涉及高分子材料加工领域，具体涉及一种高性能热熔胶及其制备方法。
背景技术
热熔胶是以热塑性树脂为主要成分的不含溶剂的固体状粘合剂，由于热熔胶具有粘合速度快、无毒、粘合工艺简单又有较好的粘合强度与柔韧性等优点，它能对各种材料如木材、纸张、纤维、金属、塑料凳进行粘接，使用范围广，特别在纤维业、包装业以及装订行业更有大量使用，但是大部分热熔胶是采用聚酯、聚酰胺等热熔性树脂制备的，由于聚酯热熔胶的强度及弹性较差，不能承受太大的外力，又由于聚酰胺热熔胶的熔点与硬度较高，因此在使用方面受到限制。
发明内容
本发明的目的在于提供一种高性能热熔胶及其制备方法。
本发明采用如下技术方案：
高性能热熔胶，其组成原料的重量份为：无规聚丙烯20-30、茂金属间规聚丙烯树脂30-40、六偏磷酸钠15-20、小于45微米阿克蜡10-15、滑石粉35-45、儿茶酚1.8-2.2、乙烯基三(β-甲氧基乙氧基)硅烷1.3-1.5、顺丁烯二酸二丁酯0.8-1.2、混合粉1.4-1.6。
高性能热熔胶，其组成原料的重量份为：无规聚丙烯25、茂金属间规聚丙烯树脂35、六偏磷酸钠18、小于45微米阿克蜡12、滑石粉40、儿茶酚2.0、乙烯基三(β-甲氧基乙氧基)硅烷1.4、顺丁烯二酸二丁酯1.0、混合粉1.5。
高性能热熔胶的制备方法，包括以下步骤：
（1）将原料混合均匀，得到混合好的物料；
（2）将物料投入到同向平行组合式双螺杆挤出机中挤出造粒，设定机筒加热温度为190-210℃，口模温度为195-205℃，螺杆转速为55-60rpm，加料转速为45-50rpm，待物料从口模挤出后经水槽冷却后切料，得到热熔胶。
所述的茂金属间规聚丙烯树脂的熔融指数在2.8－5.5g/10min之间，密度为0.92－0.95g/cm3之间。所述的混合粉由等重量份的棉纤维粉、丙纶纤维粉、铁粉、木质纤维粉、纸浆粉混合而成。
本发明的有益效果：
本发明配方合理，制备方法简单，在原料中添加了小于45微米阿克蜡，使制得的热熔胶的软化点温度提高，同时添加了混合粉，增加了热熔胶的粘结强度，流动性好，本发明具有环保、安全、耐候性和成本低廉的优点。本发明采用混合料，增进了热熔胶与不同类载体的粘结能力。
具体实施方式
实施例1：高性能热熔胶，其组成原料的重量份（kg）为：无规聚丙烯25、茂金属间规聚丙烯树脂35、六偏磷酸钠18、小于45微米阿克蜡12、滑石粉40、儿茶酚2.0、乙烯基三(β-甲氧基乙氧基)硅烷1.4、顺丁烯二酸二丁酯1.0、混合粉1.5。
高性能热熔胶的制备方法，包括以下步骤：
（1）将原料混合均匀，得到混合好的物料；
（2）将物料投入到同向平行组合式双螺杆挤出机中挤出造粒，设定机筒加热温度为200℃，口模温度为200℃，螺杆转速为58rpm，加料转速为48rpm，待物料从口模挤出后经水槽冷却后切料，得到热熔胶。
所述的茂金属间规聚丙烯树脂的熔融指数在2.8－5.5g/10min之间，密度为0.92－0.95g/cm3之间。所述的混合粉由等重量份的棉纤维粉、丙纶纤维粉、铁粉、木质纤维粉、纸浆粉混合而成。
通过上述实施例制得的热熔胶的性能检测如下：
产品性能 测试方法 实施例1
熔点/℃ GB/T19466 157.1
熔体流动速率/g/10min GB/T3682 2.34
拉伸强度/Mpa GB/T1040 20.62
粘结强度（金属与金属）/Mpa 剪切强度 7.56
粘结强度（金属与塑料）/Mpa 剪切强度 5.84
利用本发明方法得到的热熔胶各组份之间相容性良好，具有成本低、初粘强度好、耐水性等性能。

Claims (2)

1.一种高性能热熔胶，其特征在于其组成原料的重量份为：无规聚丙烯20-30、茂金属间规聚丙烯树脂30-40、六偏磷酸钠15-20、小于45微米阿克蜡10-15、滑石粉35-45、儿茶酚1.8-2.2、乙烯基三(β-甲氧基乙氧基)硅烷1.3-1.5、顺丁烯二酸二丁酯0.8-1.2、混合粉1.4-1.6；
所述的高性能热熔胶的制备方法，包括以下步骤：
（1）将原料混合均匀，得到混合好的物料；
（2）将物料投入到同向平行组合式双螺杆挤出机中挤出造粒，设定机筒加热温度为190-210℃，口模温度为195-205℃，螺杆转速为55-60rpm，加料转速为45-50rpm，待物料从口模挤出后经水槽冷却后切料，得到热熔胶；
所述的茂金属间规聚丙烯树脂的熔融指数在2.8－5.5g/10min之间，密度为0.92－0.95g/cm3之间，所述的混合粉由等重量份的棉纤维粉、丙纶纤维粉、铁粉、木质纤维粉、纸浆粉混合而成。
2.根据权利要求1所述的高性能热熔胶，其特征在于其组成原料的重量份为：无规聚丙烯25、茂金属间规聚丙烯树脂35、六偏磷酸钠18、小于45微米阿克蜡12、滑石粉40、儿茶酚2.0、乙烯基三(β-甲氧基乙氧基)硅烷1.4、顺丁烯二酸二丁酯1.0、混合粉1.5。
CN201310092744.6A 2013-03-21 2013-03-21 一种高性能热熔胶及其制备方法 Expired - Fee Related CN103214986B (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86107790A (zh) * 1986-11-11 1988-04-06 山东省新材料研究所 一种热熔胶
CN1571825A (zh) * 2001-10-18 2005-01-26 博斯蒂克芬德利公司 基于无定形聚－α－烯烃和间同聚丙烯共混物的热熔性粘合剂组合物
CN101245228A (zh) * 2008-02-29 2008-08-20 广州市合诚化学有限公司 无规共聚聚丙烯复合管专用热熔胶及其制备方法
CN101426877A (zh) * 2002-10-28 2009-05-06 博斯蒂克芬德利公司 基于全同立构的聚丙烯的无规共聚物和辅助聚合物的热熔粘合剂组合物

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86107790A (zh) * 1986-11-11 1988-04-06 山东省新材料研究所 一种热熔胶
CN1571825A (zh) * 2001-10-18 2005-01-26 博斯蒂克芬德利公司 基于无定形聚－α－烯烃和间同聚丙烯共混物的热熔性粘合剂组合物
CN101426877A (zh) * 2002-10-28 2009-05-06 博斯蒂克芬德利公司 基于全同立构的聚丙烯的无规共聚物和辅助聚合物的热熔粘合剂组合物
CN101245228A (zh) * 2008-02-29 2008-08-20 广州市合诚化学有限公司 无规共聚聚丙烯复合管专用热熔胶及其制备方法

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