CN102686396A - 使用粘合剂组合物连接管段的方法 - Google Patents

使用粘合剂组合物连接管段的方法 Download PDF

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CN102686396A
CN102686396A CN2010800405281A CN201080040528A CN102686396A CN 102686396 A CN102686396 A CN 102686396A CN 2010800405281 A CN2010800405281 A CN 2010800405281A CN 201080040528 A CN201080040528 A CN 201080040528A CN 102686396 A CN102686396 A CN 102686396A
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adhesive composition
tube portion
joint
adhesive
pipe
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阿邦德·L·玛米什
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Berry Global Inc
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Berry Plastics Corp
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    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/10—Adhesive or cemented joints
    • F16L13/103—Adhesive joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
    • F16L58/1063—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe the coating being a sheet wrapped around the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
    • F16L58/181—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for non-disconnectible pipe joints
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/48—Preparation of the surfaces
    • B29C2063/483—Preparation of the surfaces by applying a liquid
    • B29C2063/485—Preparation of the surfaces by applying a liquid the liquid being an adhesive
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/06—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1406—Ultraviolet [UV] radiation
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4825—Pressure sensitive adhesives
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4845—Radiation curing adhesives, e.g. UV light curing adhesives
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7428—Transition metals or their alloys
    • B29C66/74283—Iron or alloys of iron, e.g. steel
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/416—Additional features of adhesives in the form of films or foils characterized by the presence of essential components use of irradiation

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  • Mechanical Engineering (AREA)
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  • Organic Chemistry (AREA)
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  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

本发明提供了在管或接头上形成耐腐蚀保护性涂层的方法。

Description

使用粘合剂组合物连接管段的方法
优先权声明
本申请基于35U.S.C.§119(e)要求2009年8月17日提交的第61/234,586号美国临时申请的优先权，该申请以引用的形式明确地并入本文中。
背景
本公开涉及用于连接和密封两个结构(诸如管的两个部分)的组合物。更特别地，本公开涉及形成耐腐蚀保护性涂层以覆盖管接头的组合物，以及使用收缩套形成管接头的方法。
概述
本公开包括连接管的两个部分的组合物。在示例性实施方案中，本公开在一个典型的实施方案中提供了在管或接头上形成耐腐蚀保护性涂层的方法，所述方法包括：(a)提供包含至少一个接头的管部分；(b)提供包含基于丙烯酸的粘合剂和引发剂的粘合剂组合物板；(c)将所述粘合剂组合物涂覆于管部分；以及(d)将所述粘合剂组合物暴露于UV光下足够长的时间，以便固化所述粘合剂组合物并在所述管部分上形成永久性涂层。
本公开的另一方面提供了在管或管道接头上形成耐腐蚀保护性涂层的方法，所述方法包括：(a)提供包含至少一个接头和线涂层区域的管部分；(b)提供包含2-乙基-己基丙烯酸酯和引发剂的粘合剂组合物板；(c)在所述管部分上包覆所述粘合剂组合物以便重叠所述线涂层区域边缘；以及(d)将所述粘合剂组合物暴露于UV光下，时间为约1分钟至约6分钟，以便固化所述粘合剂组合物并在所述管部分上形成永久性涂层。
详述
在一个典型实施方案中，本公开提供了包含UV可固化单层粘合剂的组合物。该材料可以为基于丙烯酸的粘合剂组合物。优选地，所述粘合剂组合物为透明的或半透明的。所述粘合剂组合物可以为环氧型粘合剂，但是，优选地，所述组合物不为脆性的。优选地，例如通过诸如在膜中加入增粘剂材料，使所述粘合剂组合物具有某种程度的粘着性。或者，所述组合物可以具有压敏性质。优选地，所述组合物能够粘附于钢并粘附于聚丙烯线涂层以产生永久或牢固的结合，并且对接头区域提供保护使其免受腐蚀并在暴露于化学物、蒸汽和外部环境时具有抵抗能力。
能够使用许多基于丙烯酸的粘合剂。实例包括但不限于，一种或多种2-乙基-己基丙烯酸酯(“2EHA”)，任选包括其它引发剂。对于与聚丙烯的结合，优选为针对聚丙烯而配制的粘合剂组合物。
能够与组合物共同使用的压敏粘合剂和本公开的方法描述在题目为“压敏粘合剂”的国际公开WO 2008/116033A2(国际申请号PCT/US2008/057574)和题目为“具有控制布置的官能团的丙烯酸聚合物”的国际公开WO 2009/117654A1(国际申请号PCT/US2009/037800)中(所述两个文献的公开内容均以引用的形式以其整体并入本文中)。
当暴露于UV光时，粘合剂组合物将交联并变硬，同时粘附于其所接触以形成结构性结合的基材上。
形成密封的一个典型方法包括第一步：提供处于邻接关系的管的两个部分。第二步是将粘合剂组合物涂覆于重叠线涂层边缘的管接头区域。能够通过本领域技术人员已知的许多技术中的任意一种将所述保护性涂层涂覆在接头区域，所述技术例如但不限于，从储液器通过管道喷雾、涂抹、涂漆、刮、抽，使用喷胶器或其它加压液体喷雾器手动涂覆、由管进行分配，等。第三步是将包覆的粘合剂组合物暴露于UV光下若干分钟以启动反应并完成组合物的固化。暴露于UV光下的时间可以根据组合物、粘合剂层的厚度、组合物的透明度、UV光源发出的能级、其它引发剂含量以及其它参量的变化而变化。通常，固化时间的一个典型范围可以为约1-6分钟。优选地，固化时间可以为约2-5分钟。更优选地，固化时间可以为约2-3分钟。可以根据多种因素使用较短的(或可能较长的)固化时间，所述因素包括上文描述的那些。优选地，暴露于UV光的涂覆的涂层通常均匀地围绕在暴露表面的周围。这可以通过使用若干UV光源、单一的UV光源加上以多个角度位于管接头区域周围的镜子(或其它反射或指引或聚焦装置)、弧形UV光源或其它适当构造而实现。UV光能够基本穿过整个膜层，因为膜是透明的或半透明的；因此，将固化所有或基本所有的膜。
在另一典型实施方案中，能够将上面公开的粘合剂组合物涂覆在接头区域，然后能够在已涂覆了粘合剂组合物的区域周围包覆包含例如基于聚烯烃的材料的透明膜层，例如但不限于，膜、带、收缩套等。通过本领域技术人员已知的若干机制的任意一种将包覆的膜保持在适当位置。然后，如上所示，能够同时固化粘合剂组合物和透明膜二者。膜层能够起到保护性层的功能以提供机械保护并防止处理时对接头涂层的损伤。为了本公开的目的，术语膜旨在表示大致平的材料板，其优选为固体(从而在涂覆和固化时提供相对不可渗透的屏障)。膜可任选包括至少一种增强材料，例如但不限于纤维、线、细丝、颗粒、粉末、网、格栅、它们的组合等。所述增强材料可以为玻璃纤维或其它材料。膜可以形成片、卷、带、片或其它形状或构造。
本文所公开的组合物和方法非常适合用于连接管单元以形成通过铺管船沿海床放置在沿岸或离岸的连续长管。与在现场应用所必须的热活化收缩套相比，尤其是与通常为时间敏感的离岸连接活动相比，通过使用本公开所述的UV可固化粘膜，简化了操作并缩短了安装粘合剂的时间。本公开的方法减少了安装时间，部分是因为略去了钢表面的预热时间(用于钢管连接)以及略去了与热活化收缩套安装有关的冷却时间。还提供了在涂装准确性方面的更好的控制，这确保了无空隙密封表面。简化步骤减少了操作员涂装错误的机会。此外，本公开排除了用于收缩套管的明火(例如，气焊枪)。本文所述的方法在冷温度、有风或潮湿的环境下还保持了其的效用。
本文所述的组合物和方法能够用于多种应用，其中目前可以使用热活化收缩套法或其它加热或照射固化法。本公开非常适合用于待连接的管或管道材料是热敏(例如，PVC、树脂玻璃、玻璃、陶瓷、木材等)或者热或明火是不可取或危险(例如，存在可挥发蒸汽)的情况。此外，本公开不限于连接管；其能够用于在任何类型的一种或多种基材上涂覆粘合剂，用于平的或不规则形状的表面或连接不同类型的材料(例如，将PVC连接在钢上或将PVC连接在树脂玻璃上)。
除非另外明确指出，不旨在将本文所列的任何方法解释为需要以特定顺序进行其步骤。因此，当方法权利要求实际上没有叙述其步骤所遵守的顺序时，或者当在权利要求书或说明书中未以其它方式明确指出该步骤限于特定顺序时，在任何方面不以任何方式推测该顺序。
连同下列仅为了示例性说明的目的而列出的实施例，将进一步描述本公开。除非另外规定，在这样的实施例中出现的部分和百分比为重量比。
实施例
实施例1
包含甲基丙烯酸的无规丙烯酸聚合物的制备(低分子量类型)。
按照下述方式制备具有在整个聚合物骨架上无规分布的甲基丙烯酸的丙烯酸共聚物。向装有加热套、搅拌器、回流冷凝器、给料箱和氮气入口的1,500ml反应器中装入54.8g乙酸乙酯、8.87g异丙醇和25.06g丙酮。
以下列量加入单体：
74.3g丙烯酸丁酯
20.37g丙烯酸叔丁酯
将反应器装料加热至具有恒定氮清洗的回流条件(反应器套85℃)。一旦完成溶剂回流，就向反应器加入0.19g过氧化苯甲酰(LuperoxTM A)和4.24g乙酸乙酯的引发剂溶液。在达到76℃至78℃的峰温度后，在三小时内向反应器中加入具有活性氮清洗的反应物进料混合物，即286.3g乙酸乙酯、31.8g异丙醇、364.9g丙烯酸丁酯、100.0g丙烯酸叔丁酯、2.96g甲基丙烯酸和1.04g LuperoxTM A。在三小时的反应物给料时，在回流条件下，将反应温度保持为75℃至79℃。在完成反应物给料后，保持反应条件30分钟。在30分钟内向反应器中加入1.54g过氧化新戊酸叔戊酯(LuperoxTM 554)和37.15g乙酸乙酯的混合物。在回流条件下将反应再保持一小时，在该点处用120g乙酸乙酯稀释反应。然后将所得溶液聚合物冷却至环境温度并将其从反应器中取出。
基于100％重量比的丙烯酸聚合物，所得的丙烯酸聚合物包含77.93％丙烯酸丁酯、21.36％丙烯酸叔丁酯和0.526％甲基丙烯酸。所述丙烯酸聚合物的分子量为30,800g/摩尔(相对于聚苯乙烯标准，通过凝胶渗透色谱法测定)，并且多分散性为3.1。然后，将210g的100％固体聚合物溶解在90g乙酸乙酯中以产生丙烯酸溶液。
物理试验：
Figure BPA00001516737400051
向丙烯酸聚合物中加入基于固体含量为1.0％和基于固体萜烯酚醛树脂含量为20％的乙酰丙酮酸铝。在90℃下干燥粘合剂组合物20分钟以确保丙烯酸聚合物的完全交联。
实施例2
用紫外和可热固化稀释剂将实施例1的材料稀释至30,000CPS(Brookfield粘度计，#5轴，10rpm)。将粘合剂组合物涂装在金属(钢)基材上并涂覆聚酯释放膜以使粘合剂的厚度为30mil至40mil。将该膜暴露于来自600瓦金属卤化物灯泡的950毫焦耳/cm2的辐射下约60秒，然后在130℃下后固化直到产生固化膜。
实施例3
实施例2的膜具有下列性质：
Figure BPA00001516737400061

Claims (7)

1.在管或接头上形成耐腐蚀保护性涂层的方法，其包括
(a)提供包含至少一个接头区域的管部分；
(b)提供包含基于丙烯酸的粘合剂和引发剂的粘合剂组合物；
(c)将所述粘合剂组合物涂覆于所述管部分；以及
(d)将所述粘合剂组合物暴露于UV光下足够长的时间以便固化所述粘合剂组合物并在所述管部分上形成永久性涂层。
2.如权利要求1所述的方法，其还包括在将所述粘合剂组合物涂覆于所述管部分之后，将包含基于聚烯烃材料的透明膜层涂覆于所述粘合剂组合物。
3.如权利要求1所述的方法，其中所述粘合剂组合物还包含增粘剂。
4.如权利要求1所述的方法，其中所述粘合剂组合物为板、卷、带或片的形式。
5.如权利要求1所述的方法，其中所述膜具有
(a)75mil的厚度，
(b)1301psi至2850psi的拉脱粘合强度(使用ASTM标准D4541)，以及
(c)在室温(23℃)下大于120英寸-磅以及在-5℃下为99英寸-磅的冲击强度(使用ASTM标准G14)。
6.在管或管道接头上形成耐腐蚀保护性涂层的方法，其包括
(a)提供包含至少一个接头和线涂层区域的管部分；
(b)提供包含2-乙基-己基丙烯酸酯和引发剂的粘合剂组合物板；
(c)在所述管部分上包覆所述粘合剂组合物以便重叠所述线涂层区域边缘；以及
(d)将所述粘合剂组合物暴露于UV光约1分钟至约6分钟以便将所述粘合剂组合物固化并在所述管部分上形成永久性涂层。
7.如权利要求6所述的方法，其中所述膜具有
(a)75mil的厚度，
(b)1301psi至2850psi的拉脱粘合强度(使用ASTM标准D4541)，以及
(c)在室温(23℃)下大于120英寸-磅以及在-5℃下为99英寸-磅的冲击强度(使用ASTM标准G14)。
CN2010800405281A 2009-08-17 2010-08-17 使用粘合剂组合物连接管段的方法 Pending CN102686396A (zh)

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