CN107057617A - 钢塑复合管用粘接树脂及其制备方法 - Google Patents

钢塑复合管用粘接树脂及其制备方法 Download PDF

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CN107057617A
CN107057617A CN201710289832.3A CN201710289832A CN107057617A CN 107057617 A CN107057617 A CN 107057617A CN 201710289832 A CN201710289832 A CN 201710289832A CN 107057617 A CN107057617 A CN 107057617A
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density polyethylene
resin
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鲁伟
李娟�
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ANHUI GOODEE PIPE INDUSTRY TECHNOLOGY Co Ltd
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    • C09J151/00Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/06Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02Macromolecular 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
    • CCHEMISTRY; METALLURGY
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    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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Abstract

本发明提出了一种钢塑复合管用粘接树脂,由以下原料制成:线型低密度聚乙烯、高密度聚乙烯、马来酸酐、引发剂、抗氧化剂、氢化石油树脂、萜烯树脂、硫酸钙晶须、乙酸以及黏度调节剂,线型低密度聚乙烯与高密度聚乙烯的质量比为8:1。制备方法:首先在175℃~185℃下加热熔融高密度聚乙烯与线型低密度聚乙烯,然后添加马来酸酐、引发剂与抗氧化剂,混合均匀后,得到接枝共聚物;继续加入氢化石油树脂、萜烯树脂、硫酸钙晶须和乙酸,熔融搅拌均匀,最后添加黏度调节剂,熔融均匀,出料得粘接树脂。该钢塑复合管用粘合树脂组合物可以确保制得的铝塑复合板具有良好的耐候性和持久性。

Description

钢塑复合管用粘接树脂及其制备方法
技术领域
本发明属于胶粘剂技术领域,具体涉及一种钢塑复合管用粘接树脂及其制备方法。
背景技术
钢塑复合管简称钢塑管,以钢管为基材,不但具有钢管的强度和韧性,而且具有塑料管材的环保卫生、不积垢、水阻小等优点。钢塑复合管是一种优质、高效、高强度、绿色环保、价格适中的新型复合管材。这几年受国家产业政策支持和广大用户认同,发展迅速,市场潜力巨大。钢塑复合管分冷热水管,但大部分钢塑复合管的热水管应用中容易脱胶,造成漏水进而产生安全隐患,其主要原因就是粘接钢和塑料的热熔胶产品性能不理想,耐冷然性能不好,温度变化后,容易产生位移现象。
由于钢塑复合管是由金属和非金属两种性质截然不同的材料组成的,其存在着粘结问题,需要选用特定的粘合树脂,才能确保制得的钢塑复合板具有良好的耐候性和持久性。实际生活应用中,经常会出现钢塑管在使用一年之后,地面漏水,这主要是钢塑复合管在长期高温的情况下,管层中间的粘接树脂与管层脱胶造成的。
发明内容
本发明提出一种钢塑复合管用粘接树脂,该钢塑复合管用粘合树脂组合物可以确保制得的铝塑复合板具有良好的耐候性和持久性。
本发明的技术方案是这样实现的:
一种钢塑复合管用粘接树脂,由以下重量份数的原料制成:线型低密度聚乙烯64~96份、高密度聚乙烯8~12份、马来酸酐0.5~2.2份、引发剂0.04~0.15份、抗氧化剂0.1~0.3份、氢化石油树脂6~12份、萜烯树脂2~6份、硫酸钙晶须2~6份、乙酸4~8份以及黏度调节剂1~4份,线型低密度聚乙烯与高密度聚乙烯的质量比为8:1。
优选地,引发剂为过氧化二异丙苯或者过氧化苯甲酰。
优选地,抗氧化剂为抗氧化剂1010、抗氧化剂1076或者抗氧化剂225。
优选地,黏度调节剂为聚乙烯蜡或者液体石蜡。
本发明的另一个目的是提供一种钢塑复合管用粘接树脂的制备方法,首先在175℃~185℃下加热熔融高密度聚乙烯与线型低密度聚乙烯,然后添加马来酸酐、引发剂与抗氧化剂,混合均匀后,得到接枝共聚物;继续加入氢化石油树脂、萜烯树脂、硫酸钙晶须和乙酸,熔融搅拌均匀,最后添加黏度调节剂,熔融均匀,出料得粘接树脂。
本发明的有益效果:
1、线型低密度聚乙烯与高密度聚乙烯的质量比为8:1的条件下,与马来酸酐接枝获得的粘接树脂具有和聚烯烃一样的加工性能和条件,同时表现出极佳的粘接性能。在175℃~185℃条件下接枝,提高接枝效率。
2、采用氢化石油树脂、萜烯树脂、硫酸钙晶须、乙酸以及黏度调节剂配合之前的接枝共聚物,提高了粘接树脂的内聚力能,使得其确保制得的钢塑复合管具有良好的耐候性和持久性的目的。
具体实施方式
实施例1
一种钢塑复合管用粘接树脂,由以下重量份数的原料制成:线型低密度聚乙烯80份、高密度聚乙烯10份、马来酸酐0.8份、过氧化二异丙苯0.08份、抗氧化剂10100.18份、氢化石油树脂10份、萜烯树脂4份、硫酸钙晶须4份、乙酸6份以及液体石蜡3份。
制备方法,首先在180℃下加热熔融高密度聚乙烯与线型低密度聚乙烯,然后添加马来酸酐、过氧化二异丙苯与抗氧化剂1010,混合均匀后,得到接枝共聚物;继续加入氢化石油树脂、萜烯树脂、硫酸钙晶须和乙酸,熔融搅拌均匀,最后添加液体石蜡,熔融均匀,出料得粘接树脂。
本实施例钢塑复合管用粘合树脂对金属钢的粘接强度达到395N/m,当其用于制备钢塑复合管时,可以确保制得的钢塑复合管具有良好的耐候性和持久性。
实施例2
一种钢塑复合管用粘接树脂,由以下重量份数的原料制成:线型低密度聚乙烯64份、高密度聚乙烯8份、马来酸酐0.5份、过氧化苯甲酰0.04份、抗氧化剂10760.1份、氢化石油树脂12份、萜烯树脂2份、硫酸钙晶须2份、乙酸8份以及聚乙烯蜡1份。
制备方法,首先在175℃下加热熔融高密度聚乙烯与线型低密度聚乙烯,然后添加马来酸酐、过氧化苯甲酰与抗氧化剂1076,混合均匀后,得到接枝共聚物;继续加入氢化石油树脂、萜烯树脂、硫酸钙晶须和乙酸,熔融搅拌均匀,最后添加聚乙烯蜡,熔融均匀,出料得粘接树脂。
本实施例钢塑复合管用粘合树脂对金属钢的粘接强度达到391N/m,当其用于制备钢塑复合管时,可以确保制得的钢塑复合管具有良好的耐候性和持久性。
实施例3
一种钢塑复合管用粘接树脂,由以下重量份数的原料制成:线型低密度聚乙烯96份、高密度聚乙烯12份、马来酸酐2.2份、过氧化二异丙苯0.15份、抗氧化剂2250.3份、氢化石油树脂6份、萜烯树脂6份、硫酸钙晶须6份、乙酸4份以及液体石蜡4份。
制备方法,首先在185℃下加热熔融高密度聚乙烯与线型低密度聚乙烯,然后添加马来酸酐、过氧化二异丙苯与抗氧化剂225,混合均匀后,得到接枝共聚物;继续加入氢化石油树脂、萜烯树脂、硫酸钙晶须和乙酸,熔融搅拌均匀,最后添加液体石蜡,熔融均匀,出料得粘接树脂。
本实施例钢塑复合管用粘合树脂对金属钢的粘接强度达到490N/m,当其用于制备钢塑复合管时,可以确保制得的钢塑复合管具有良好的耐候性和持久性。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (5)

1.一种钢塑复合管用粘接树脂,其特征在于,由以下重量份数的原料制成:线型低密度聚乙烯64~96份、高密度聚乙烯8~12份、马来酸酐0.5~2.2份、引发剂0.04~0.15份、抗氧化剂0.1~0.3份、氢化石油树脂6~12份、萜烯树脂2~6份、硫酸钙晶须2~6份、乙酸4~8份以及黏度调节剂1~4份,线型低密度聚乙烯与高密度聚乙烯的质量比为8:1。
2.根据权利要求1所述的钢塑复合管用粘接树脂,其特征在于,引发剂为过氧化二异丙苯或者过氧化苯甲酰。
3.根据权利要求1所述的钢塑复合管用粘接树脂,其特征在于,抗氧化剂为抗氧化剂1010、抗氧化剂1076或者抗氧化剂225。
4.根据权利要求1所述的钢塑复合管用粘接树脂,其特征在于,黏度调节剂为聚乙烯蜡或者液体石蜡。
5.如权利要求1所述的钢塑复合管用粘接树脂的制备方法,其特征在于,首先在175℃~185℃下加热熔融高密度聚乙烯与线型低密度聚乙烯,然后添加马来酸酐、引发剂与抗氧化剂,混合均匀后,得到接枝共聚物;继续加入氢化石油树脂、萜烯树脂、硫酸钙晶须和乙酸,熔融搅拌均匀,最后添加黏度调节剂,熔融均匀,出料得粘接树脂。
CN201710289832.3A 2017-04-27 2017-04-27 钢塑复合管用粘接树脂及其制备方法 Pending CN107057617A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102161730A (zh) * 2010-12-30 2011-08-24 曲阜市东宏实业有限公司 一种钢丝骨架增强聚乙烯管材专用粘接树脂及其制造方法
CN104388013A (zh) * 2014-12-16 2015-03-04 广州市合诚化学有限公司 一种高耐泡水性能粘接树脂及其制备方法与应用
CN105694763A (zh) * 2016-02-03 2016-06-22 长春中科应化材料科技有限公司 复合粘接树脂及其制备方法与应用
CN106349976A (zh) * 2016-09-12 2017-01-25 广州鹿山新材料股份有限公司 一种钢丝网增强聚乙烯热水管用粘接树脂及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102161730A (zh) * 2010-12-30 2011-08-24 曲阜市东宏实业有限公司 一种钢丝骨架增强聚乙烯管材专用粘接树脂及其制造方法
CN104388013A (zh) * 2014-12-16 2015-03-04 广州市合诚化学有限公司 一种高耐泡水性能粘接树脂及其制备方法与应用
CN105694763A (zh) * 2016-02-03 2016-06-22 长春中科应化材料科技有限公司 复合粘接树脂及其制备方法与应用
CN106349976A (zh) * 2016-09-12 2017-01-25 广州鹿山新材料股份有限公司 一种钢丝网增强聚乙烯热水管用粘接树脂及其制备方法

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