CN104024356A - 干粘接丙烯酸酯粘合剂层 - Google Patents
干粘接丙烯酸酯粘合剂层 Download PDFInfo
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- CN104024356A CN104024356A CN201280062926.2A CN201280062926A CN104024356A CN 104024356 A CN104024356 A CN 104024356A CN 201280062926 A CN201280062926 A CN 201280062926A CN 104024356 A CN104024356 A CN 104024356A
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- Prior art keywords
- layer
- methyl
- acrylate
- tackiness agent
- radiation curable
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Classifications
-
- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
本发明提供这样一种可辐射固化粘合剂,所述粘合剂包含(i)一种或多种(甲基)丙烯酸系单体和/或低聚物,其中所述(甲基)丙烯酸系单体或者低聚物包含5至50重量%的(甲基)丙烯酸与聚醚多元醇的酯,其中所述聚醚多元醇具有化学式HO-((CH2)m-O)n-X,其中:m=2、3或者4;n=2至50;X=H,或线性、支化或者芳族的C1至C12-烷基,所述酯具有从150至2000g/mol的分子量;(ii)一种或多种基于不饱和单体的非反应性聚合物(共聚物),其中所述不饱和单体选自乙烯基酯、(甲基)丙烯酸酯以及C2至C8不饱和烯烃,所述聚合物(共聚物)具有从5000g/mol至500000g/mol的分子量,这样的粘合剂能够在通过辐射交联之后形成固态粘合剂层,该层具有非粘性表面,但能够在压力下粘接到第二粘合剂层。
Description
技术领域
本发明涉及基于丙烯酸系不饱和组分的粘合剂,该粘合剂通过辐射而被固化,以形成非粘性粘合剂层。这样的粘合剂层能够通过施加压力而被粘接到相似的层。本发明还包括制造包含至少一个粘合剂层的基底的方法,其中所述层能够通过接触而被粘接到另一个相似的层。所述粘合剂能够以无溶剂粘性粘合剂形式或者以热熔粘合剂形式制造。
背景技术
压敏粘合剂(PSA)在本领域内是公知的。这些物质能够粘接到不同的基底,它们可以产生可改变位置的粘接或者它们提供不能除去的稳定粘接。能够提供PSA层的不同类型的化学组合物也是已知的。
美国专利No.4,477,622公开了粘接到相同粘合剂层的接触粘合剂层,其中该粘合剂被以含有丙烯酸胶乳的水基粘合剂的形式施加。该粘合剂也应含有诸如氨基塑料树脂或者过氧化物交联剂的交联手段。
美国专利No.5,458,983公开了能够作为可改变位置的粘合剂施加的粘合剂。公开了该组合物为含有具有不同粒径的两种不同聚丙烯酸酯的含水分散体。公开了含有C8-烷基酯的特定聚合物。
美国专利No.6,670,417公开了通过使橡胶大分子单体与丙烯酸系组分反应得到的压敏粘合剂。所述大分子单体可以包含乙烯、丙烯或者丁烯单体单元,接枝型丙烯酸系聚合物应含有已知的脂肪族丙烯酸酯。
PSA层的施加常常存在若干问题。对于正常的PSA而言,粘性表面是该粘合剂的一个固有特点。所述粘合剂难以以固态形式大量提供,因为在运输期间粘合剂能够与容器分离是必要的。如果提供溶液,则溶剂必须挥发。这是费时的,可能易于受到健康方面的限制,并且可能使基底劣化。如果以粘合剂形式施加,所述表面保持粘性。因此应对所述表面进行保护以防被灰尘或者其它材料破坏。或者,能够先制造粘合剂层,随后将其粘接到第二基底。
发明内容
本发明的一个目的在于提供能够以粘合剂层形式施加的粘合剂,该粘合剂在制成所述层之后应会发生交联。粘合剂层的表面应保持对基底不具有粘性,使得所述基底在使用以及进一步的处理之前能够储存。所述粘合剂通过压力应被粘接到具有相应粘合剂层的表面。
本发明的另一个目的在于提供在表面的某些部分上涂覆有粘合剂层的基底,由此所述层能够通过压力相互粘接,并且该粘接不需要破坏所述粘合剂层就能够分离。另一个目的在于提供制造这样的涂有粘合剂层的基底的方法。
通过可辐射固化粘合剂组合物可达到上述目的,该组合物包含(i)一种或多种(甲基)丙烯酸系单体和/或低聚物,其中所述(甲基)丙烯酸系单体或者低聚物包含10至65重量%的(甲基)丙烯酸与聚醚多元醇的酯,所述聚醚多元醇具有化学式
HO-((CH2)m-O)n-X,
其中:m=2、3或者4;n=2至50;X=H,或线性、支化或者芳族的C1至C12-烷基,所述酯具有从150至2000g/mol的分子量;(ii)一种或多种基于不饱和单体的非反应性聚合物(共聚物),其中所述不饱和单体选自乙烯基酯、(甲基)丙烯酸酯以及C2至C8不饱和烯烃,所述聚合物(共聚物)具有从5000g/mol至500000g/mol的分子量。
根据本发明的粘合剂包含能够通过辐射固化的低聚物和/或单体。这样的化合物含有至少一个双键,例如甲基丙烯酸酯基团、丙烯酸酯基团或者乙烯基基团。
可用作粘合剂中组分的不饱和单体或者低聚物可选自各种丙烯酸系或者甲基丙酸系单体。通常该组分的分子量应低于1000g/mol。玻璃化转变温度可能受所选择的单体所影响;并且粘合剂的极性或者比较非极性的(more unpolar)特性也可能受所述单体所影响。也可加入带有另外的官能团的(甲基)丙烯酸酯单体,所述另外的官能团例如是OH基团、羧基、NH基团、环氧基团或者其它的。重要的是确保这些官能团不会抑制辐射固化反应。
所述单体的实例为:具有1至40个碳原子的直链、支化或者脂环族的醇的(甲基)丙烯酸烷基酯,例如(甲基)丙烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸正丁酯、(甲基)丙烯酸异丁酯、(甲基)丙烯酸叔丁酯、(甲基)丙烯酸戊酯、(甲基)丙烯酸2-乙基己酯、(甲基)丙烯酸十八烷酯、(甲基)丙烯酸月桂酯、(甲基)丙烯酸环己酯、(甲基)丙烯酸异冰片酯;酯取代的(甲基)丙烯酸酯,如与己内酯键合的(甲基)丙烯酸酯;(甲基)丙烯酸芳基酯,例如可各自具有未取代的或者一至四取代的芳基残基的(甲基)丙烯酸苄酯或者(甲基)丙烯酸苯酯;其它芳族取代的(甲基)丙烯酸酯,例如(甲基)丙烯酸萘酯;甲基丙烯酸四氢糠酯、甲基丙烯酸甲氧基甲(乙)氧基乙酯、甲基丙烯酸1-丁氧基丙酯、甲基丙烯酸环己氧基甲酯、甲基丙烯酸苄氧基甲酯、甲基丙烯酸糠酯、甲基丙烯酸2-丁氧基乙酯、甲基丙烯酸2-乙氧基乙酯、甲基丙烯酸烯丙氧基甲酯、甲基丙烯酸1-乙氧基丁酯、甲基丙烯酸1-乙氧基乙酯、甲基丙烯酸乙氧基甲酯。
也可使用羟基官能化的(甲基)丙烯酸酯,例如:具有2-36个C原子的直链、支化或者脂环族的二醇的(甲基)丙烯酸羟烷基酯,例如(甲基)丙烯酸3-羟丙酯、单(甲基)丙烯酸3,4-二羟基丁酯、(甲基)丙烯酸2-羟乙酯、(甲基)丙烯酸4-羟丁酯、(甲基)丙烯酸2-羟丙酯、2,5-二甲基-1,6-己二醇单(甲基)丙烯酸酯,特别优选甲基丙烯酸2-羟乙酯。也可包含其它官能团,例如羧基、环氧基团、酰胺基团或者其它的基团。实例可包括(甲基)丙烯酸的丙烯酸酯或甲基丙烯酸酯或缩水甘油酯。
另一组可用于所述单体/低聚物中所包含的组分为二官能或更高官能的丙烯酸酯或者甲基丙烯酸酯。所述丙烯酸酯或者甲基丙烯酸酯包括例如丙烯酸或者甲基丙烯酸与芳族、脂肪族或者脂环族的多元醇的酯。同样合适的化合物是例如芳族、脂环族、脂肪族、线性或者支化的C4-20多元醇的丙烯酸酯或者甲基丙烯酸酯。所述组分的实例为:新戊二醇二(甲基)丙烯酸酯、1,6-己二醇二(甲基)丙烯酸酯、三羟甲基丙烷三(甲基)丙烯酸酯、季戊四醇四(甲基)丙烯酸酯以及山梨醇及其它糖醇的(甲基)丙烯酸酯。这些脂肪族二醇或者脂环族二醇的(甲基)丙烯酸酯可任选用脂肪族酯改性。通过脂肪族酯改性的丙烯酸酯包括例如新戊二醇羟基新戊酸酯二(甲基)丙烯酸酯、己内酯改性的新戊二醇羟基新戊酸酯二(甲基)丙烯酸酯等,新戊二醇改性的(甲基)丙烯酸酯,以及三羟甲基丙烷二(甲基)丙烯酸酯。
三官能和更高官能的丙烯酸酯单体包括例如:三羟甲基丙烷三(甲基)丙烯酸酯、季戊四醇三(甲基)丙烯酸酯和季戊四醇四(甲基)丙烯酸酯、二季戊四醇四(甲基)丙烯酸酯、二季戊四醇五(甲基)丙烯酸酯、二季戊四醇六(甲基)丙烯酸酯、己内酯改性的二季戊四醇六(甲基)丙烯酸酯、季戊四醇四(甲基)丙烯酸酯、三[(甲基)丙烯酰氧乙基]异氰尿酸酯、二(三羟甲基丙烷)四丙烯酸酯或者己内酯改性的三[(甲基)丙烯酰氧乙基]异氰尿酸酯,或者它们中两种或更多种的混合物。所述高官能的(甲基)丙烯酸酯可优选地包含3至6个不饱和基团。最优选的官能度选自3至4。该组分的量和它的官能度可用以提高粘合剂的交联密度。
此外,其它可共聚的不饱和单体——特别是乙烯基芳族单体——也可包含于所述组合物中,只要它们可与所述组合物混合。可使用单体、低聚物、单官能或者多官能化合物的混合物。(甲基)丙烯酸酯单体或者低聚物的量应构成粘合剂组合物的5至50重量%,优选地5至40重量%。在优选实施方案中,该组合物应包含10至35重量%的己内酯(甲基)丙烯酸酯(caprolactone(meth)acrylate ester)。
根据本发明,需要所述组合物含有聚醚二醇的(甲基)丙烯酸酯。它们可通过下式表示
(甲基)丙烯酸与HO-((CH2)m-O)n-X的酯,
其中m=2、3或者4;n=2至50;X=H,或线性、支化或者芳族的C1至C12-烷基,所述酯具有从150至2000g/mol的分子量。优选地使用聚乙二醇或者聚丙二醇,最优选的是n=3至20。氧化烯改性的(甲基)丙烯酸酯化合物包括例如:单官能化合物,如具有5-80个碳原子的聚乙二醇、聚丙二醇或者它们的混合物的(甲基)丙烯酸酯;在一端具有醚或者酯基团的所述单官能化合物的衍生物,例如聚亚烷基二醇的烷基醚,如聚(乙二醇)甲基醚(甲基)丙烯酸酯、聚(丙二醇)甲基醚(甲基)丙烯酸酯、聚(乙二醇)乙基醚(甲基)丙烯酸酯、聚(丙二醇)丙基醚(甲基)丙烯酸酯;聚氧化亚烷基二醇的芳族醚,如聚(乙二醇)苯基醚(甲基)丙烯酸酯、或者聚(丙二醇)苯基醚(甲基)丙烯酸酯;多官能化合物,如环氧乙烷改性的新戊二醇二(甲基)丙烯酸酯、环氧丙烷改性的新戊二醇二(甲基)丙烯酸酯、环氧乙烷改性的1,6-己二醇二(甲基)丙烯酸酯、环氧丙烷改性的1,6-己二醇二(甲基)丙烯酸酯、聚乙二醇二(甲基)丙烯酸酯、聚丙二醇二(甲基)丙烯酸酯等。所述(甲基)丙烯酸酯取代的聚醚二醇的量应构成总组合物的5至50重量%,优选地5至40重量%。
可用于根据本发明的粘合剂组合物的其它组分为基于含有一个或多个不饱和双键的聚酯、聚丙烯酸酯或者聚氨酯结构的反应性聚合物。这些物质通常为粘性或者固态化合物,其分子量可具有从1000至20000g/mol的较宽范围。这样的化合物还应包括不同分子量或者不同官能度的混合物,因为它们是低聚的反应产物。该反应性聚合物应构成10至60重量%。
所述粘合剂应包含非反应性共聚物作为另外的组分。非反应性表示所述聚合物可包含诸如OH、COOH、环氧基和氨基的官能团,但该聚合物将不会在不饱和成分交联期间发生反应。所述共聚物可选自基于不饱和单体的共聚物,其中所述不饱和单体例如:乙烯基酯;(甲基)丙烯酸酯;C2至C8不饱和烯烃,如(异)丁烯;或者其它不饱和单体。实例可包括聚乙酸乙烯酯、聚(甲基)丙烯酸酯-酯、聚烯烃共聚物、聚异丁烯、乙烯丙烯酸酯共聚物或者乙烯乙酸乙烯酯共聚物。所述共聚物在室温下(约25℃)呈固态,并且它们可包括无定形的或者结晶的部分。其分子量应选自5000至500000g/mol。所述聚合物是已知的且市售可得。
优选地,所述组合物含有乙烯乙酸乙烯酯共聚物(EVA)。这样的聚合物是已知的,并且通常含有相对于所有共聚单体的总和约15至约50摩尔%的量的乙酸乙烯酯。还可任选存在其它共聚单体。所述聚合物的软化点高于50℃。单体的选择将影响性能如玻璃化转变温度、熔点或者软化点。所述非反应性聚合物的量基于所述粘合剂组合物为2至35重量%。
根据本发明的粘合剂可包含最高达20重量%的其它成分或者添加剂,其中可添加所述其它成分或者添加剂以实现所需要的性能,例如粘结强度、粘度、软化点或者稳定性。这些粘合剂可包含增塑剂、稳定剂、用于改进粘合剂老化情况的抗氧化剂、颜料或填充剂、树脂或者蜡。即使可在溶剂中溶解所述组合物,根据本发明,所述粘合剂是不含有机溶剂的。
适合用作根据本发明的添加剂的稳定剂或者抗氧化剂包括亚磷酸盐、苯酚、高分子量的空间位阻酚、空间位阻胺(HALS)、多官能苯酚、含有硫和磷的苯酚,其中所述稳定剂更特别地为紫外线稳定剂。在本发明中,合适的化合物例如是对苯二酚、对苯二酚甲醚或者吩噻嗪。它们通常以约0.1至3.0重量%的量添加到所述粘合剂中。选择和性能为本领域技术人员已知的。
所述粘合剂组合物可任选包含天然的或者合成的树脂。所述天然树脂可以是植物或者动物来源的。树脂的实例包括紫胶和松香、树胶脂或者木材树脂(wood resin)。可用的不仅有自然的天然树脂,而且还有它们的衍生物,不论这些衍生物是通过歧化、二聚、氢化、聚合、酯化、成盐,还是通过加成不饱和化合物而得到的。合成树脂的实例包括:烃、萜烯、苯并呋喃/茚、呋喃、醇酸、醛、酮、酚、甘油酯、聚酯、聚酰胺型、环氧或者脲醛树脂。增塑剂优选地被用来调节粘度。合适的增塑剂包括药用白油、环烷基矿物油、邻苯二甲酸酯、己二酸酯、聚丙烯、液体聚酯、苯甲酸酯、氢化的增塑剂或者分子量为1000至6000g/mol(数均分子量,Mn,通过GPC可测量的)的一元醇或多元醇。对所述增塑剂进行选择使得它们与所述粘合剂是完全相容的。其量应为从0至10重量%,但优选地不包含树脂和/或增塑剂。
所述粘合剂可额外含有至少一种光引发剂和/或光敏剂。基本上,与PSA相容的(即形成至少大致均相的混合物)的任何市售可得光引发剂均可以用于本发明的目的。光引发剂为这样一些物质或所述物质的混合物,其在无光时稳定,并且在暴露于辐射时吸收大量能量以致于它们引发自由基或离子聚合。
合适的光引发剂包括例如:氧膦光引发剂、安息香烷基醚光引发剂、二烷氧基乙酰苯光引发剂、具有至少一个直接连接至羰基的碳原子的芳香核的醛和酮光引发剂、以及α-羟基酮光引发剂。
当用紫外光辐照时能够引发烯属不饱和双键的自由基聚合的光引发剂被用作组分。例如,这些物质为任何的诺里什I型片段和诺里什II型物质。光引发剂的量相对于所述粘合剂应合计最高达8重量%,特别是在1和4重量%之间。在优选实施方案中,在暴露于紫外线辐射时或通过可见光辐射,所述光引发剂应引发反应。根据本发明的可辐射固化组合物可含有一种所述光引发剂或其混合物。
额外的添加剂和/或填充剂可作为一种或多种组分存在于所述粘合剂组合物中。所述填充剂应为精细分散的,其实例为二氧化钛、二氧化硅、氧化铝或其它金属硅酸盐、碳酸盐和硫酸盐。填充剂可影响非固化粘合剂的粘度。所述一种或多种填充剂应以使得固化不会被填充剂所阻碍的量存在。其量应在0至10重量%的范围内。
根据本发明的具体的组合物应包含5至50重量%的单(甲基)丙烯酸酯或聚(甲基)丙烯酸酯的单体,10至60重量%的基于聚酯、聚氨酯或聚丙烯酸酯的被(甲基)丙烯酸酯取代的聚合物,2至35重量%的非反应性聚合物(优选EVA),5至50重量%的基于聚醚的丙烯酸酯,0至20重量%的包括光引发剂、稳定剂和/或树脂的添加剂,所有组分之和为100%。
可根据不同的优选范围来选择组分的量。因此,所述粘合剂层之间的粘着力、所述交联聚合物的玻璃化转变温度或柔性能够得到调整。
根据本发明的粘合剂为液态的或粘性的粘合剂。其是无溶剂的。其应在30℃下具有2000至200000mPas的粘度,优选地大于20000mPas(Brookfield,ISO EN2555)。为降低粘度而用于施加,所述粘合剂可被加热例如最高达70℃,优选地至最高达50℃。
本发明的另一目的是施加在基底上的交联粘合剂层。各式各样基底都可作为可用于本发明的基底。优选地,可将所述粘合剂施加到柔性平板状基底,例如纸、膜、织网(web)、织物及其它柔性材料。天然聚合物可用作基底,例如纸、纸盒、纸板及其它由有机纤维制造的基底。另外地,可使用聚合物基底,例如聚丙烯、PVC、聚酯、聚酰胺、聚烯烃、聚氨酯、BOPP及其它成膜基底。还可使用多层基底。
根据本发明的粘合剂可以已知的方式施加。可将其通过不同的手段施加到基底,例如喷嘴、辊、刮刀或通过印刷。根据本发明的方法,粘合剂以约5至500μm、优选地从10至250μm的层施加。作为下一步工序,所述粘合剂层将通过辐射而发生交联。这可通过辐射实施,通过例如:EB辐射、紫外线辐射或可见光辐射,优选地通过紫外线辐射。辐射固化可在温的粘合剂层上进行,或者冷却该层。所述层可通过已知的光线或者紫外线发射装置被固化,所述光线或者紫外线发射装置例如:紫外线灯,如汞汽灯或者氙弧灯,或者发出紫外线或可见光的LED。合适的波长范围约为220至600nm,优选地从350至410nm。使所述膜交联的辐射步骤的持续时间应为持续0.1至20秒,优选地0.1至5秒。在交联所述粘合剂层之后,可对所述基底进一步处理。
可将根据本发明所制造的层和粘合剂施加到基底的部分或整个表面。所述粘合剂层发生固化。在固化之后粘合剂层处于非粘性状态。另外地,所述粘合剂层为非粘连性的。这表示与相似的基底或不同的基底接触的粘合剂层不会彼此粘附。其可通过将基底彼此剥离来分离,而不会使基底或粘合剂层劣化。
在根据本发明的方法中,上述粘合剂的层可被粘接至相似的粘合剂的层。不重要的是,基底可以是不同的,但通常将相似的基底粘接在一起。所述粘接可通过在轻微压力下将两个涂有粘合剂层的基底按压在一起来进行。一般而言,这应包括用手将基底按压在一起而无需使用任何另外的按压装置。
作为对所述基底粘接的测试,将两个经涂覆的基底与粘合剂层接合在一起,并且通过将1kg的圆筒在所述基底各处向前和向后滚动来挤压。然后,可将这些粘接的基底切割并且测试。
根据本发明的方法提供涂有粘合剂层的基底。所述基底的涂覆区域可被粘接至相似的涂覆区域。该双层粘接可用作一次性粘接(one timebonding)。在这样的情况中,两个粘合剂层的粘着力非常高以致于不可能分离所述粘合剂层;该两个基底将因粘合失效而分离。一次性粘接还包括可观察到一个基底的纤维撕裂的情况。
在本发明的另一实施方案中,粘接基底是可再封闭的(re-closable)。在这种情况下,两个粘合剂层的粘接力低于与基底的粘着力。可将两个基底彼此分离,并且将观测到所述粘合剂层的接合表面相互粘合失效。因为单层为非粘性的,同样地,被分离的层将保持非粘性。根据该实施方案,该粘合剂层可通过施加与连接所述基底相似的力来再次粘接到其它基底。这样的操作可进行多于3次,在另外的实施方案中,所述可再封闭特性甚至将会保持达更多的循环次数。
本发明的另一实施方案是一种柔性基底,基底其表面的预定部分上涂覆有根据本发明的粘合剂的固化层。这样的基底可以膜、织物或其它柔性薄基底的形式来制备。在涂覆并且固化所述粘合剂之后,可进一步处理基底。可储存基底,并且为了进一步处理,可将基底彼此分离,因为所述粘合剂层不会粘接到基底的未涂覆侧。
可将这些经涂覆的基底制成其它产品,例如信封、袋、包装材料、卫生制品等。这些材料可以这样的方式形成:将最终产品的区域(其应为可封闭的)用根据本发明的粘合剂层涂覆。可根据目的来选择粘合剂。例如,就信封来说,有益的将是选择仅可一次性封闭的涂覆材料。在制造袋或包的情况下,也可将粘合剂层施加到可再封闭的产品;在这种情况下,在打开该封装之后,可将其重新封闭。
由根据本发明的粘合剂组合物制造的粘合剂层在使用中提供了优势。可对经涂覆的基底进行处理,而不会将所述基底粘结和粘接到其它的表面。这样使得在进一步处理前或使用前产品易于储存。无溶剂粘合剂的使用将较少地干扰聚合物膜基底。还有环境优势是已知的。
另外地,用根据本发明的粘合剂层涂覆的产品提供给终端用户将两个基底粘接到一起的便利方式。因为表面是非粘性的,所以也没有灰尘粘附到该表面。这改进了这样的粘合剂层的光学外观以及实际使用。
具体实施方式
实施例步骤:
使用包含混合装置和加热浴的反应容器。如以下表1中所描述的,将丙烯酸酯组分和惰性共聚物添加到该容器中。在80℃下将该组合物混合、搅拌并加热约6小时。其后溶解所述共聚物。添加光引发剂并混合,然后冷却粘合剂并且可施加所述粘合剂。
表1
粘合剂混合物是均相的并且在室温下是液态的。
用刮刀将约30μm的层施加到纸基底。在汞灯(1000W)约365nm(UVALOC)下,在3至5秒钟后发生固化。
所述粘合剂层表现为清洁的表面并且无粘性。它们可以与另一无涂覆的基底相邻储存,而不会粘附到一起。
为了进行粘接测试,通过将1kg的圆筒两次压过被粘接的基底将两个基底层(15x80mm)按压在一起。使所述基底静置约10分钟。然后用Instron拉力试验机(速度250mm/min)测量剥落值。测试结果列出在下表2中。
表2
测试结果表明,实现了一次性封闭,并且在实施例4中利用相互粘合失效实现了可逆封闭。
Claims (15)
1.可辐射固化粘合剂,所述粘合剂包含(i)一种或多种(甲基)丙烯酸系单体和/或低聚物,其中所述(甲基)丙烯酸系单体或者低聚物包含5至50重量%的(甲基)丙烯酸与聚醚多元醇的酯,其中所述聚醚多元醇具有化学式HO-((CH2)m-O)n-X,其中:m=2、3或者4;n=2至50;X=H,或线性、支化或者芳族的C1至C12-烷基,所述酯具有从150至2000g/mol的分子量;(ii)一种或多种基于不饱和单体的非反应性聚合物(共聚物),其中所述不饱和单体选自乙烯基酯、(甲基)丙烯酸酯以及C2至C8不饱和烯烃,所述聚合物(共聚物)具有从5000g/mol至500000g/mol的分子量。
2.根据权利要求1的可辐射固化粘合剂,其特征在于,所述粘合剂在50℃下、优选地在30℃下具有从2000至200000mPas的粘度。
3.根据权利要求1或2的可辐射固化粘合剂,其特征在于,所述(甲基)丙烯酸酯选自具有3至20个环氧乙烷和/或环氧丙烷重复单元的酯。
4.根据权利要求1至3中任何一项的可辐射固化粘合剂,其特征在于,所述粘合剂包含从2至35重量%的所述一种或多种非反应性聚合物(共聚物)。
5.根据权利要求1至4中任何一项的可辐射固化粘合剂,其特征在于,所述粘合剂包含至少一种选自光引发剂、助粘剂、填充剂或者稳定剂的添加剂。
6.根据权利要求1至5中任何一项的可辐射固化粘合剂,其特征在于,所述粘合剂包含从10至35重量%的己内酯(甲基)丙烯酸酯。
7.根据权利要求1至6中任何一项的可辐射固化粘合剂的层,其特征在于,所述粘合剂在通过辐射交联之后形成固态粘合剂层。
8.根据权利要求7的可辐射固化粘合剂的层,其特征在于,所述交联的粘合剂层具有非粘性表面。
9.根据权利要求7至8的可辐射固化粘合剂的层,其特征在于,所述粘合剂层能够在压力下被粘接到所述粘合剂的第二层。
10.根据权利要求7至9中任何一项的可辐射固化粘合剂的层,其中所述层被施加到选自纤维素或者聚合材料的基底,所述基底优选地为柔性膜或者片材成型基底的形式。
11.根据权利要求7至10的可辐射固化粘合剂的层,其特征在于,所述层具有约5至500μm的厚度。
12.用于粘接基底的方法,其特征在于,所述基底的至少部分表面涂有根据权利要求7至11中任一项的由粘合剂制成的固化粘合剂层,并且两个层通过压力被粘接在一起。
13.根据权利要求12的用于粘接基底的方法,其特征在于,粘接的所述层能够通过与一个基底粘合失效或者纤维撕裂而被分离。
14.根据权利要求12的用于粘接基底的方法,其特征在于,粘接的所述层能够通过所述粘合剂层的相互粘合失效而彼此分离。
15.根据权利要求14的用于粘接基底的方法,其特征在于,所述粘合剂层形成可再封闭表面。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11194769.3 | 2011-12-21 | ||
EP11194769.3A EP2607438B1 (en) | 2011-12-21 | 2011-12-21 | Dry bonding acrylate adhesive layers |
PCT/EP2012/075930 WO2013092573A1 (en) | 2011-12-21 | 2012-12-18 | Dry bonding acrylate adhesive layers |
Publications (1)
Publication Number | Publication Date |
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CN104024356A true CN104024356A (zh) | 2014-09-03 |
Family
ID=47520936
Family Applications (1)
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CN201280062926.2A Pending CN104024356A (zh) | 2011-12-21 | 2012-12-18 | 干粘接丙烯酸酯粘合剂层 |
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US (1) | US9790404B2 (zh) |
EP (1) | EP2607438B1 (zh) |
JP (1) | JP2015507662A (zh) |
KR (1) | KR20140107294A (zh) |
CN (1) | CN104024356A (zh) |
BR (1) | BR112014014691A2 (zh) |
ES (1) | ES2525830T3 (zh) |
MX (1) | MX338747B (zh) |
PL (1) | PL2607438T3 (zh) |
WO (1) | WO2013092573A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105988622A (zh) * | 2015-02-16 | 2016-10-05 | 群创光电股份有限公司 | 触控面板及应用其的触控显示装置 |
CN110168440A (zh) * | 2017-06-16 | 2019-08-23 | 积水化学工业株式会社 | 液晶显示元件用密封剂、上下导通材料和液晶显示元件 |
WO2021047092A1 (zh) * | 2019-09-12 | 2021-03-18 | 上海仪电特镭宝信息科技有限公司 | 一种行李标签用对粘胶黏剂 |
CN113966352A (zh) * | 2019-06-14 | 2022-01-21 | 3M创新有限公司 | 来源于(甲基)丙烯酸酯大分子单体的聚合物、粘合剂组合物和制品 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015077114A1 (en) * | 2013-11-21 | 2015-05-28 | 3M Innovative Properties Company | Liquid optical adhesive compositions |
US11098215B2 (en) * | 2016-11-10 | 2021-08-24 | Agfa-Gevaert | Solder mask inkjet inks for manufacturing printed circuit boards |
EP3321331B1 (en) * | 2016-11-10 | 2020-10-21 | Agfa-Gevaert | Solder mask inkjet inks for manufacturing printed circuit boards |
EP3321330B1 (en) * | 2016-11-10 | 2022-01-05 | Agfa-Gevaert Nv | Solder mask inkjet inks for manufacturing printed circuit boards |
EP3321332B1 (en) * | 2016-11-10 | 2019-07-31 | Agfa-Gevaert | Method for manufacturing an electronic device, such as printed circuit board |
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- 2011-12-21 EP EP11194769.3A patent/EP2607438B1/en not_active Not-in-force
- 2011-12-21 PL PL11194769T patent/PL2607438T3/pl unknown
- 2011-12-21 ES ES11194769.3T patent/ES2525830T3/es active Active
-
2012
- 2012-12-18 WO PCT/EP2012/075930 patent/WO2013092573A1/en active Application Filing
- 2012-12-18 KR KR1020147016976A patent/KR20140107294A/ko not_active Withdrawn
- 2012-12-18 JP JP2014547920A patent/JP2015507662A/ja active Pending
- 2012-12-18 BR BR112014014691A patent/BR112014014691A2/pt not_active IP Right Cessation
- 2012-12-18 CN CN201280062926.2A patent/CN104024356A/zh active Pending
- 2012-12-18 MX MX2014007514A patent/MX338747B/es active IP Right Grant
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2014
- 2014-06-20 US US14/310,337 patent/US9790404B2/en not_active Expired - Fee Related
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DE4242356A1 (de) * | 1992-12-15 | 1994-06-16 | Sandoz Ag | Monomerzubereitungen für die Bauindustrie |
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CN105988622A (zh) * | 2015-02-16 | 2016-10-05 | 群创光电股份有限公司 | 触控面板及应用其的触控显示装置 |
CN105988622B (zh) * | 2015-02-16 | 2019-12-10 | 群创光电股份有限公司 | 触控面板及应用其的触控显示装置 |
CN110168440A (zh) * | 2017-06-16 | 2019-08-23 | 积水化学工业株式会社 | 液晶显示元件用密封剂、上下导通材料和液晶显示元件 |
CN113966352A (zh) * | 2019-06-14 | 2022-01-21 | 3M创新有限公司 | 来源于(甲基)丙烯酸酯大分子单体的聚合物、粘合剂组合物和制品 |
CN113966352B (zh) * | 2019-06-14 | 2024-11-08 | 3M创新有限公司 | 来源于(甲基)丙烯酸酯大分子单体的聚合物、粘合剂组合物和制品 |
WO2021047092A1 (zh) * | 2019-09-12 | 2021-03-18 | 上海仪电特镭宝信息科技有限公司 | 一种行李标签用对粘胶黏剂 |
Also Published As
Publication number | Publication date |
---|---|
JP2015507662A (ja) | 2015-03-12 |
KR20140107294A (ko) | 2014-09-04 |
US9790404B2 (en) | 2017-10-17 |
MX338747B (es) | 2016-04-29 |
EP2607438A1 (en) | 2013-06-26 |
WO2013092573A1 (en) | 2013-06-27 |
US20140299261A1 (en) | 2014-10-09 |
ES2525830T3 (es) | 2014-12-30 |
EP2607438B1 (en) | 2014-10-01 |
BR112014014691A2 (pt) | 2017-06-13 |
MX2014007514A (es) | 2014-08-21 |
PL2607438T3 (pl) | 2015-03-31 |
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