CN111662673B - 一种皮质船具粘接用胶水 - Google Patents

一种皮质船具粘接用胶水 Download PDF

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CN111662673B
CN111662673B CN202010632890.3A CN202010632890A CN111662673B CN 111662673 B CN111662673 B CN 111662673B CN 202010632890 A CN202010632890 A CN 202010632890A CN 111662673 B CN111662673 B CN 111662673B
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李冰
于一涛
赵宁
李金辉
王峰
彭丹
张硕
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New Material Institute of Shandong Academy of Sciences
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Abstract

一种皮质船具粘接用胶水,涉及皮质船具加工技术领域,由以下重量份数组成的原材料构成:A组分:结晶性聚酯多元醇10‑60份,芳香族异氰酸酯3‑8份,小分子多官能扩链剂0.5‑1份,环保型溶剂40‑90份,金属类催化剂0.01‑0.025份,消泡剂0.1‑0.5份。B组分:异氰酸根含量为30%‑32%,粘度为150‑250mPa·s的多异氰酸酯50‑90份,异氰酸根含量为30%‑32%,粘度为300‑350mPa·s的多异氰酸酯10‑50份。本发明公开的皮质船具粘接用胶水具有优异的溶剂挥发性和环境友好性,初粘强度高,最终剥离强度大,耐水性、耐候性好,能够防止皮质船具加工过程和使用过程中开胶、漏气、老化断裂等问题。

Description

一种皮质船具粘接用胶水
技术领域
本发明涉及皮质船具加工技术领域,具体涉及一种皮质船具粘接用胶水。
背景技术
目前国内皮质船具以出口为主,每年皮质船具的海外出口创汇可达数千万美元。皮质船具以橡胶和PVC材料为主,高质量的皮质船具通常内部有增强的纤维布。目前,皮质船具的加工通常采用热合和胶粘两种方式对皮面连接位置进行结合。以热合方式结合的船具加工过程简便,但热合强度相对较差,使用过程中存在一定的安全隐患。胶粘方式则采用强度较高的环氧类、丙烯酸类、聚氨酯类胶粘剂对结合部位进行粘接实现皮质船具防止漏气等的功能。目前国内大量使用的是国外进口的双组份溶剂型聚氨酯胶粘剂,该胶粘剂使用过程中溶剂气味强烈,导致施工工人身体不适,同时对环境产生较大影响。此外,在PVC皮质船具粘接过程中和使用过程中,对胶粘剂的初粘强度和最终粘接强度都提出了非常严格的要求。比如,皮质船具用PVC在刷涂胶粘剂后,表面应具有一定的压敏性,方便工人施工;同时PVC在粘接之后,短时间内应形成较强的初粘强度,以便工人对皮质船具充气检测漏点;皮质充气船具在海上或湖泊长期使用过程中,应能保持良好的充气性能和耐久耐候性能。因此,适配皮质船具粘接加工工艺和使用工艺,同时降低对施工人员的健康影响,开发一种环境友好型的皮质船具粘接用胶水是当前皮质船具加工行业亟需解决的问题。
发明内容
本发明所要解决的技术问题在于提供一种具有优异粘合性、耐水性、耐高低温性和耐候性的皮质船具粘接用胶水。
本发明所要解决的技术问题采用以下的技术方案来实现:一种皮质船具粘接用胶水,由如下重量份数的原料制成:
A组分:结晶性聚酯多元醇10-60份,4,4’-甲基苯基二异氰酸酯3-8份,小分子多官能扩链剂0.5-1份,环保型溶剂40-90份,二月桂酸二丁基锡催化剂0.01-0.025份,消泡剂0.1-0.5份。
B组分:异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯50-90份,异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯10-50份。
结晶性聚酯多元醇为分子量为2000的聚己二酸丁二醇酯二醇,分子量为600的聚丁二酸丁二醇酯二醇,分子量为4000的聚己二酸丁二醇酯二醇,分子量为2000的聚碳酸丁二醇酯二醇,分子量为2000的聚己内酯二醇中的至少一种;优选分子量为2000的聚碳酸丁二醇酯和分子量为2000的聚己内酯二醇。
小分子多官能扩链剂为二羟甲基丙酸,1,4-丁二醇,一缩二乙二醇等的至少一种。
环保型溶剂为1,4-二氧六环,碳酸二甲酯,碳酸二甲酯中的至少一种。
一种皮质船具粘接用环保型胶水的制备方法,它包括如下步骤:
A组分的制备:将结晶性聚酯多元醇与小分子多官能扩链剂按比例混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1-2小时,降温至70℃。
(1)将4,4’-甲基苯基二异氰酸酯加入上述组分中,搅拌30min后,加入一定量的环保型溶剂,继续搅拌30min。
(2)加入二月桂酸二丁基锡催化剂,继续搅拌40min,将剩余的环保型溶剂加入。
(3)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分。
B组分的制备:将多异氰酸酯组分混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
一种皮质船具粘接用环保型胶水的使用方法,将20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
本发明的有益效果是:本发明涉及的一种皮质船具粘接用胶水,是采用无毒无味溶剂作为粘接材料的有效溶解剂,采用该胶水对皮质船具进行粘接施工,不会对施工人员产生健康影响,同时,该胶水对橡胶及PVC粘接面具有良好的润湿铺展性,能够极大程度上防止因胶水润湿性不好而产生的“漏点”问题,降低皮质船具使用过程中的安全隐患。同时该胶水由于严格控制软缎结晶性聚酯多元醇和硬段液体扩链剂的比例,能够保持优异的初粘强度,能够在短时间内通过对皮质船具充气等方式检验“漏点”,以便于二次修补施工。采用该胶水粘接的皮质船具,具有良好的防水、耐候等性能,可满足皮质船具长期在海水、湖泊等水环境中的使用要求。
本发明所述一种皮质船具粘接用胶水,采用的环保无毒无气味溶剂,施工过程中不伤害施工人员健康。由于并且具有较好的初粘强度,方便及时充气检测漏点。最终固化后,可达到橡胶或PVC基材剥离破坏,并具有良好的耐候、耐盐雾、耐水性。并且在完全固化以后,粘接强度优异,防止皮质船具在各种环境中使用出现的漏气、断裂等安全隐患。同时由于采用了特定的环保型溶剂,因此在皮质船具粘接施工过程中,可充分避免对施工人员的健康伤害。
附图说明
图1是本发明实施例4拉伸与应力变化图。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1:一种皮质船具粘接用胶水的制备方法,它包括如下步骤:A组分的制备:
(1)将10g分子量为2000的聚丁二酸丁二醇酯,6g分子量为600的聚己二酸丁二醇酯,1g二羟甲基丙酸混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃。
(2)将5.25g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g1,4-二氧六环,继续搅拌30min。
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入42g1,4-二氧六环。
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分。
B组分制备:将50g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和10g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
将上述制备的皮质船具粘接用胶水取20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
实施例2:一种皮质船具粘接用胶水的制备方法,它包括如下步骤:A组分的制备:
(1)将30g分子量为2000的聚己内酯二醇,0.67g1,4-丁二醇混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃。
(2)将5.25g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g碳酸二甲酯,继续搅拌30min。
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入73g碳酸二甲酯。
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分。
B组分制备:将60g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和30g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
将上述制备的皮质船具粘接用胶水取20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
实施例3:一种皮质船具粘接用环保型胶水的制备方法,它包括如下步骤:A组分的制备:
(1)将40.4g分子量为4000的聚己二酸丁二醇酯,1g二羟甲基丙酸混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃。
(2)将5.25g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g碳酸二甲酯,继续搅拌30min。
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入73g碳酸二甲酯。
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分。
B组分:将55g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和10g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
将上述制备的皮质船具粘接用胶水取20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
实施例4:一种皮质船具粘接用胶水的制备方法,它包括如下步骤:A组分的制备:(1)将30g分子量为2000的聚碳酸丁二醇酯,0.67g1,4-丁二醇混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃。
(2)将5.25g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g碳酸二甲酯,继续搅拌30min。
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入73g碳酸二甲酯。
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分。
B组分的制备:将55g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和40g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
将上述制备的皮质船具粘接用胶水取20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
实施例5:一种皮质船具粘接用胶水的制备方法,它包括如下步骤:A组分的制备:(1)将15g分子量为2000的聚碳酸丁二醇酯,15g分子量为2000的聚己二酸丁二醇酯,0.34g1,4-丁二醇,0.53g一缩二乙二醇混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃。
(2)将5.25g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g碳酸二甲酯,继续搅拌30min。
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入73g碳酸二甲酯。
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分。
B组分的制备:
将55g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和23g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
将上述制备的皮质船具粘接用胶水取20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
实施例6:一种皮质船具粘接用胶水的制备方法,它包括如下步骤:A组分的制备:(1)将15g分子量为2000的聚碳酸丁二醇酯,30g分子量为4000的聚己二酸丁二醇酯,0.34g1,4-丁二醇和0.67g二羟甲基丙酸混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃;
(2)将5.25g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g碳酸二甲酯,继续搅拌30min;
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入73g碳酸二甲酯;
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分;
B组分:
将55g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和34g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
将上述制备的皮质船具粘接用胶水取20份的A组分与1份的B组分充分混合搅匀,采用刷涂或者辊涂工艺将混合好的胶水均匀涂布在皮质船具的连接部位,放置20-30分钟,待溶剂彻底挥发后,用热烘枪均匀加热涂胶部位,迅速贴合涂胶部位后,放置20分钟待冷却后即具有较强的初粘强度。此时可对皮质船具进行充气检测检查漏点。放置24小时后即可达到最终粘接强度。
对比例1:PVC片材粘接用胶水的制备方法,包括如下步骤:A组分的制备:(1)将80g分子量为2000的己二酸己二醇酯二醇酯,20g分子量为2000的聚己二酸丁二醇酯,1.5g1,4-丁二醇混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1小时,降温至70℃;
(2)将2g二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入10g乙酸乙酯,继续搅拌30min;
(3)加入0.002g二月桂酸二丁基锡,继续搅拌40min,再加入43g乙酸乙酯和30g甲苯;
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得PVC片材粘接用胶水的A组分;
B组分:
将55g异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯和34g异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯混合,充分搅拌均匀即得PVC片材粘接用胶水的B组分。
对比例2:环氧类PVC皮质材料粘接用胶水制备方法,包括如下步骤:A组分:100gE51环氧树脂与40gE44环氧树脂混合,并加入100g甲苯,搅拌均匀后加入25g活性稀释剂,搅拌均匀即得PVC皮质材料粘接用胶水A组分;
B组分:采用市售环氧胺类固化剂T-31作为PVC皮质材料粘接用胶水B组分。
对比例3:丙烯酸酯类PVC皮质材料粘接用胶水:采用市售α氰基丙烯酸酯快固型胶水作为PVC皮制材料粘接用胶水。
实施例效果:
将实施例1-6所制备的样件进行初粘强度、耐水性、耐候性和最终粘接强度的检测。其中初粘强度为贴合以后待冷却至常温以后的粘接强度,耐水性则是将胶粘剂完全固化以后放入含有3.5%的NaCl和0.5%NaOH的水溶液中加热到100℃放置5天以后的水白情况。耐候性通过样件完全固化后加热到100℃放置5天以后检测粘接强度。对比例为国外胶水粘接以后的指标。
Figure DEST_PATH_IMAGE001
通过以上实施例与对比例比较,可以看出实施例4在所有实施例和对比例中初粘强度、耐水性、耐候性以及最终粘接强度都表现出优异的性能,最终粘接强度可达24.8MPa,初粘强度可达6.2MPa,经耐候性试验后强度依然保持在18.3MPa,水白试验后依然保持透明。而对比例所述的三种胶水,在初粘强度、耐水性以及最终粘接强度和和耐候性方面较实施例4都有一定差距。
图1为实施例4拉伸与应力变化图。从上图可以看出,PVC在剥离试验过程中基材损坏,同时剥离力可达到210牛以上,表明胶水在达到最终粘接强度后对PVC基材具有优异的粘接性能。

Claims (3)

1.一种皮质船具粘接用胶水,其特征是由A组分和B组分按重量份计的如下原材料构成:A组分:结晶性聚酯多元醇30-60份,二苯基甲烷二异氰酸酯3-8份,小分子多官能扩链剂0.5-1份,环保型溶剂40-90份,二月桂酸二丁基锡催化剂0.01-0.025份;B组分:异氰酸根含量为30%-32%,粘度为150-250mPa·s的多异氰酸酯50-90份,异氰酸根含量为30%-32%,粘度为300-350mPa·s的多异氰酸酯10-50份;
结晶性聚酯多元醇为分子量为2000的聚己二酸丁二醇酯二醇,分子量为600的聚丁二酸丁二醇酯二醇,分子量为4000的聚己二酸丁二醇酯二醇,分子量为2000的聚碳酸丁二醇酯二醇和分子量为2000的聚己内酯二醇中的至少一种;环保型溶剂为1,4-二氧六环,碳酸二甲酯中的至少一种。
2.根据权利要求1所述皮质船具粘接用胶水,其特征是小分子多官能扩链剂为二羟甲基丙酸,1,4-丁二醇,一缩二乙二醇的至少一种。
3.一种根据权利要求1所述的皮质船具粘接用胶水的制备方法,其特征是它包括如下步骤:
A组分的制备:
(1)将结晶性聚酯多元醇与小分子多官能扩链剂混合,加热至120℃,开启搅拌,将真空度调整至-0.95MPa,抽真空1-2小时,降温至70℃;
(2)将二苯基甲烷二异氰酸酯加入上述组分中,搅拌30min后,加入一定量的环保型溶剂,继续搅拌30min;
(3)加入二月桂酸二丁基锡催化剂,继续搅拌40min,将剩余的环保型溶剂加入;
(4)搅拌均匀后,降至常温,将消泡剂加入,搅拌均匀即得皮质船具粘接用胶水的A组分;
B组分的制备:
将多异氰酸酯组分混合,充分搅拌均匀即得皮质船具粘接用胶水的B组分。
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