CN111378404A - 粘接剂组成物及其用途、有机纤维及其处理方法 - Google Patents
粘接剂组成物及其用途、有机纤维及其处理方法 Download PDFInfo
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- CN111378404A CN111378404A CN201910188463.8A CN201910188463A CN111378404A CN 111378404 A CN111378404 A CN 111378404A CN 201910188463 A CN201910188463 A CN 201910188463A CN 111378404 A CN111378404 A CN 111378404A
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- adhesive composition
- fiber
- organic fiber
- compound
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
- C08J5/124—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives using adhesives based on a macromolecular component
- C08J5/128—Adhesives without diluent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/246—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using polymer based synthetic fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- 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
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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Abstract
本发明涉及一种粘接剂组成物,包含卤代醇化合物、封闭型异氰酸酯化合物及胶乳,其中不包含间苯二酚及甲醛。本发明的粘接剂组成物对操作人员和环境不会造成危害,且可使用单一浸胶阶段即获得良好的接着性能。
Description
技术领域
本揭示内容是关于一种不包含间苯二酚及甲醛的粘接剂组成物及其用途,以及关于一种有机纤维的处理方法及经由此处理方法所获得的有机纤维。
背景技术
有机纤维结构中的极性官能基(例如酰胺、羟基或羰基)与橡胶的非极性结构不相容。传统上,已广泛地使用间苯二酚(Resorcinol)-甲醛(Formaldehyde)-乳胶(Latex)粘接剂组成物(俗称RFL粘接剂组成物)于有机纤维/橡胶复合产品(例如轮胎、软管、输送带或皮带等)中。
习知有机纤维浸胶帘布需通过二阶段浸胶工序来达成,因此工序较为繁琐,且会增加加工成本。例如,在公开号为US2017/0167074A1的美国专利申请案中,揭示了一种使用两个浸胶阶段来形成有机纤维浸胶帘布的工序。在第一浸胶阶段中,使用包含卤代醇化合物及封闭型异氰酸酯化合物的组成物来活化有机纤维,之后再将经活化的有机纤维烘干,以制得一经活化的有机纤维。接着再进行第二浸胶阶段,将经活化的有机纤维再浸渍于RFL粘接剂组成物中,以形成有机纤维浸胶帘布。
然而,本案发明人通过研究发现,习知的二阶段浸胶工序除了费工费时外,活化后的有机纤维先经卤代醇化合物及封闭型异氰酸酯化合物此种二阶段浸胶工序与RFL粘接剂组成物之间另外亦存在着相容性不佳的问题。因此,所形成的有机纤维浸胶帘布存在有耐热性及耐疲劳性不足的问题。
此外,因RFL粘接剂组成物中的甲醛有致癌性,可能对操作人员造成危害。另外,RFL粘接剂组成物中的间苯二酚则具有环境激素(environmental hormone)的疑虑,亦可能对环境造成危害。
再者,使用两个浸胶阶段来形成有机纤维浸胶帘布的成本高。因此,开发出一种成本低且不会对操作人员和环境造成危害,且可改善有机纤维帘布与橡胶接着后的耐热性及耐疲劳性的粘接剂,已成为重要的课题之一。
发明内容
因此本发明即是在提供一种可直接应用于未经活化有机纤维的粘接剂组成物。通过本发明的粘接剂组成物,使得仅需单一阶段的浸胶工序成为可能。进而达成减少工序、节省成本的目的。此外,由于未使用甲醛及间苯二酚,因此亦不会有危害人体及环境的问题。
本揭示内容的一态样是提供一种用于使一有机纤维与橡胶接着的粘接剂组成物,包含卤代醇化合物、封闭型异氰酸酯化合物及胶乳,其中不包含间苯二酚及甲醛。
在本揭示内容的一实施方式中,卤代醇化合物是氯代醇化合物。
在本揭示内容的一实施方式中,卤代醇化合物是卤代山梨醇、卤代甘油醇或其组合。
在本揭示内容的一实施方式中,卤代山梨醇是氯代山梨醇。
在本揭示内容的一实施方式中,卤代甘油醇是氯代甘油醇。
在本揭示内容的一实施方式中,胶乳是丁二烯和乙烯基吡啶共聚物,又称丁吡胶乳(butadiene vinyl-pyridine rubber latex)。
本揭示内容的另一态样是提供一种有机纤维的处理方法,其是将有机纤维浸渍于前述的粘接剂组成物的步骤。
在本揭示内容的一实施方式中,有机纤维是选自于聚酯纤维、锦纶纤维、芳香族聚酰胺纤维,或上述所任意的组合。
在本揭示内容的一实施方式中,该聚酯纤维为聚对苯二甲酸乙酯纤维。
在本揭示内容的一实施方式中,该锦纶纤维为锦纶66纤维。
在本揭示内容的一实施方式中,该芳香族聚酰胺纤维(芳纶纤维)为聚间苯二甲酰间苯二胺纤维。
本揭示内容的另一态样是提供一种有机纤维,其是经前述的处理方法所获得者。
在本揭示内容的一实施方式中,有机纤维是用于制作轮胎、软管、输送带或皮带。
本揭示内容的另一态样是提供一种前述粘接剂组成物的用途,其是用于粘接轮胎、软管、输送带或皮带中的有机纤维与橡胶。
以下将以实施方式对上述的说明作详细的描述,并对本揭示内容的技术方案提供更进一步的解释。
具体实施方式
为了使本揭示内容的叙述更加详尽与完备,下文针对了本揭示内容的实施态样与具体实施例提出了说明性的描述;但这并非实施或运用本揭示内容具体实施例的唯一形式。以下所揭露的各实施例,在有益的情形下可相互组合或取代,也可在一实施例中附加其他的实施例,而无须进一步的记载或说明。在以下描述中,将详细叙述许多特定细节以使读者能够充分理解以下的实施例。然而,可在无此等特定细节的情况下实践本揭示内容的实施例。
由于本揭示内容的粘接剂组成物不包含间苯二酚及甲醛。因此,相较于传统的RFL粘接剂组成物,本揭示内容的粘接剂组成物,对操作人员和环境不会造成危害。此外,本揭示内容的粘接剂组成物包含卤代醇化合物及封闭型异氰酸酯化合物,从而可使用单一浸胶阶段即获得良好的接着性能。相较于使用两个浸胶阶段的习知技术,使用本揭示内容的粘接剂组成物在成本上具有优势。再者,用于活化有机纤维的卤代醇化合物及封闭型异氰酸酯化合物与胶乳之间具有良好的相容性,因此由本揭示内容的粘接剂组成物所浸胶处理后的有机纤维浸胶布经与橡胶贴合后具有良好的物理机械性质、干热收缩、耐热性及耐疲劳性。据此,本揭示内容的粘接剂组成物适用于各种有机纤维/橡胶复合产品中。
根据各种实施方式,本揭示内容的粘接剂组成物包含卤代醇化合物、封闭型异氰酸酯化合物及胶乳。
卤代醇化合物及封闭型异氰酸酯化合物可用于活化有机纤维。更详细言之,有机纤维(例如聚酯纤维)表面上缺乏官能基,从而无法与胶乳产生良好的连结。因此,根据本揭示内容的一些实施方式,可藉由粘接剂组成物中的卤代醇化合物及封闭型异氰酸酯化合物来活化有机纤维。据此,在有机纤维表面上产生官能基,而可与胶乳之间产生良好的连结。应理解,使用本揭示内容的粘接剂组成物只需单一浸胶阶段,相较于使用两个浸胶阶段的习知技术(其中,在第一浸胶阶段中,有机纤维被活化,而在第二浸胶阶段中,活化的有机纤维被浸渍于胶乳中),在加工成本上具有优势。
值得一提的是,卤代醇化合物中的卤素含量将影响卤代醇化合物与有机纤维的相容性。详言之,当卤代醇化合物中的卤素含量越高,其与有机纤维的相容性亦越高。从而,可增加粘接剂组成物的接着性能。但须注意,当卤代醇化合物中的卤素含量过高时,会使得卤代醇化合物在水溶液中的溶解度降低。因此,根据本揭示内容的一些实施方式,卤代醇化合物中的卤素含量存在一个适当的范围。具体地,卤代醇化合物中的卤素含量为5.0重量%~15.0重量%,例如7.0重量%、9.0重量%、10.0重量%、12.0重量%或13.0重量%。
作为本揭示内容的卤代醇化合物,例如是藉由将多元醇化合物与表卤醇类化合物反应得到的化合物(卤代醇醚化合物,halohydrin ether)。具体地,多元醇化合物是指分子中具有两个以上羟基的化合物,例如乙二醇、丙二醇、聚乙二醇、聚丙二醇等二元醇类、赤藓糖醇、木糖醇、山梨醇、酒石酸、甘油酸等羟基酸类、甘油、二甘油、聚甘油、三羟甲基丙烷、三羟甲基乙烷、季戊四醇等。又,表卤醇类化合物例如是表氯醇(即环氧氯丙烷)或表溴醇(即环氧溴丙烷)等,但不以此为限。须说明的是,本揭示内容的粘接剂组成物可包含单种卤代醇化合物,亦可包含两种以上的卤代醇化合物。
在一些实施方式中,卤代醇化合物例如是氟代醇化合物、氯代醇化合物、溴代醇化合物或碘代醇化合物。较佳来说,在一实施方式中,卤代醇化合物是卤代山梨醇、卤代甘油醇或其组合。卤代山梨醇例如是具有下列结构式的氯代山梨醇:
卤代甘油醇例如是具有下列结构式的氯代甘油醇:
在本揭示内容中,「封闭型异氰酸酯化合物」是指利用封闭剂与异氰酸酯化合物进行反应来保护异氰酸酯化合物的异氰酸基(-NCO)所产生的化合物。举例来说,可藉由升温(例如90℃~250℃),使衍生自封闭剂的基团解离以生成异氰酸基。在一些实施方式中,作为本揭示内容的异氰酸酯化合物可以是分子内具有两个以上异氰酸基的化合物。具体地,异氰酸酯化合物包括具有两个异氰酸基的二异氰酸酯化合物,例如六亚甲基二异氰酸酯、二苯甲烷二异氰酸酯、苯二亚甲基二异氰酸酯、亚苯基二异氰酸酯、甲苯二异氰酸酯、三甲基六亚甲基二异氰酸酯、间亚苯基二异氰酸酯、萘二异氰酸酯、二苯醚二异氰酸酯、二苯基丙烷二异氰酸酯、联苯二异氰酸酯等,但不以此为限。此外,异氰酸酯化合物亦包括具有三个异氰酸基的三异氰酸酯化合物、具有四个异氰酸基的四异氰酸酯化合物等。须说明的是,本揭示内容的粘接剂组成物可包含单种封闭型异氰酸酯化合物,亦可包含两种以上的封闭型异氰酸酯化合物。
在一些实施方式中,本揭示内容的胶乳包括丁二烯系共聚物胶乳、丁二烯/苯乙烯系共聚物胶乳、丁二烯/丙烯腈系共聚物胶乳、丁二烯/乙烯基吡啶共聚物、丁二烯/乙烯基吡啶/苯乙烯系共聚物胶乳等,但不以此为限。较佳来说,在一实施方式中,本揭示内容的胶乳是丁二烯/乙烯基吡啶/苯乙烯系共聚物胶乳。举例来说,本揭示内容的胶乳例如是丁二烯/乙烯基吡啶共聚物(即丁吡胶乳)。
根据各种实施方式,粘接剂组成物包含10.0~30.0重量份的卤代醇化合物、10.0~30.0重量份的封闭型异氰酸酯化合物及80.0~240.0重量份的胶乳。较佳来说,在一实施方式中,粘接剂组成物包含20.0重量份的卤代醇化合物、20.0重量份的封闭型异氰酸酯化合物及160.0重量份的胶乳。但须注意的是,本揭示内容的粘接剂组成物中不包含间苯二酚及甲醛。因此,相较于传统的RFL粘接剂组成物,本揭示内容的粘接剂组成物,对操作人员和环境不会造成危害。
如前所述,本揭示内容的粘接剂组成物适用于各种有机纤维/橡胶复合材料中。举例来说,该有机纤维/橡胶复合材料,其所适用的工业产品例如是轮胎、软管、输送带或皮带等。在一些实施方式中,有机纤维/橡胶复合材料是由有机纤维浸胶布经与橡胶热贴合所形成。具体而言,通过将有机纤维编织成帘状或交织成帆布,经与粘接剂浸胶处理后形成有机纤维浸胶布。更详细言之,使用粘接剂组成物来形成粘接剂层于有机纤维帘布或有机纤维帆布的表面上,以形成有机纤维浸胶布,并通过热压方式将有机纤维浸胶布与橡胶贴合以形成有机纤维/橡胶复合材料。在一些实施方式中,形成粘接剂层的方式例如是浸渍、刷涂、流延、喷雾、辊涂、刮刀涂布等,但不以此为限。据此,使用本揭示内容的粘接剂组成物及其有机纤维浸胶布来形成有机纤维/橡胶复合材料,可巩固有机纤维/橡胶复合材料的接着力,并使其具有良好的耐热性及耐疲劳性。
根据各种实施方式,有机纤维可选自于聚酯纤维、锦纶纤维、芳香族聚酰胺纤维,或其所任意的组合。在一实施方式中,聚酯纤维例如是聚对苯二甲酸乙酯纤维。在一实施方式中,锦纶纤维例如是锦纶66纤维。在一实施方式中,芳香族聚酰胺纤维(芳纶纤维)例如是聚间苯二甲酰间苯二胺纤维。
值得一提的是,本揭示内容的粘接剂组成物适用于现有的橡胶,不需为了增强粘着性而改变橡胶配方。因此,所使用的橡胶材料没有特别限定,除了天然橡胶之外,还可举出聚异戊二烯橡胶(Isoprene rubber,IR)、聚丁二烯橡胶(Polybutadiene rubber,BR)、苯乙烯-丁二烯共聚物橡胶(Styrene butadeine rubber,SBR)、丙烯腈-丁二烯橡胶(Nitrilebutadiene rubber,NBR)、氯丁二烯橡胶(Chloroprene rubber,CR)、丁基橡胶(Isobutylene isoprene rubber,IIR)等合成橡胶,但不以此为限。
兹举下列实施例来详细说明本揭示内容的粘接剂组成物的制备方法及功效。然而,下列实施例并非用以限制本揭示内容。
卤代醇化合物的制备
实施例1-1
将91.0g(0.5mol)的山梨醇(购自Alfa-Aesar Co.)分散于100g的甲苯(购自Sigma-Aldrich Co.)中,并加入1.42g(0.01mol)的三氟化硼乙醚(购自Sigma-AldrichCo.)。接着,在恒温60℃下缓慢添加109.20g(1.18mol)的环氧氯丙烷(购自Alfa-AesarCo.)并使其反应。以JIS K7236法追踪环氧氯丙烷反应完全后,以减压浓缩方式去除甲苯,得到氯代山梨醇。
实施例1-2
将46.05g(0.5mol)的甘油(购自Alfa-Aesar Co.)加入1.42g(0.01mol)的三氟化硼乙醚(购自Sigma-Aldrich Co.)。接着,在恒温60℃下缓慢添加109.20g(1.18mol)的环氧氯丙烷(购自Alfa-Aesar Co.)并使其反应。以JIS K7236法追踪环氧氯丙烷反应完全,得到氯代甘油醇。
粘接剂组成物的制备
实施例2-1
混合20.0g的氯代山梨醇、33.0g的异氰酸酯化合物IL-6(购自EMS-GRIVORY Co.,固含量60%)、390.0g的丁二烯和乙烯基吡啶共聚物VPL0653(购自Croslene ChemicalIndustries.Ltd.,固含量41%)及557.0g的去离子水,以形成粘接剂组成物T1。
实施例2-2
混合20.0g的氯代甘油醇、33.0g的异氰酸酯化合物IL-6、390.0g的丁二烯和乙烯基吡啶共聚物VPL0653及557.0g的去离子水,以形成粘接剂组成物T2。
传统预浸渍液的制备
比较例1-1
混合9.0g的山梨醇型环氧树脂EX-614B(购自Nagase ChemteX Co.)、31.0g的异氰酸酯化合物IL-6、0.4g的介面活性剂OT-75(购自Cytec Solvay Co.,浓度75%)及959.6g的去离子水,以形成传统预浸渍液P1。
比较例1-2
混合9.0g的甘油型环氧树脂EX-313(购自Nagase ChemteX Co.)、31.0g的异氰酸酯化合物IL-6、0.4g的介面活性剂OT-75及959.6g的去离子水,以形成传统预浸渍液P2。
有机纤维浸胶帘布的制备
实施例3-1
将聚酯纱线(购自亚东工业(苏州)有限公司,成分:聚对苯二甲酸乙酯(PET)1500d/2ply,捻度370×370TPM)编织成帘状物。接下来,使用浸胶机台(厂牌:BENNINGER,型号:Pilot Machine CPM4H-2D-V40-1E),将帘状物浸渍于粘接剂组成物T1中。接着,在170℃的温度下干燥90秒,并在245℃的温度下烘烤60秒来形成有机纤维浸胶帘布。
实施例3-2
在本实施例中,除了将粘接剂组成物T1改为粘接剂组成物T2之外,使用与实施例3-1相同的方式形成有机纤维浸胶帘布。
比较例2-1
使用相同的浸胶机台,进行两个浸胶阶段。首先,将聚酯纱线(购自亚东工业(苏州)有限公司,成分:聚对苯二甲酸乙酯(PET)1500d/2ply,捻度370×370TPM)编织成帘状物。接下来,在第一浸胶阶段中,将帘状物浸渍于传统预浸渍液P1中。接着,在170℃的温度下干燥90秒,并在245℃的温度下烘烤60秒。
接下来,在第二浸胶阶段中,将上述烘烤后的帘状物浸渍于传统的RFL粘接剂组成物中。接着,在170℃的温度下干燥90秒,并在245℃的温度下烘烤60秒以形成粘接剂层于纱线表面上,形成有机纤维浸胶帘布。
随后,通过热压贴合橡胶(其组分同下表1,购自国成工业股份有限公司)来形成有机纤维/橡胶的复合材料。
比较例2-2
在本实施例中,除了在第一浸胶阶段中,将传统预浸渍液P1改为传统预浸渍液P2之外,使用与比较例2-1相同的方式形成有机纤维浸胶帘布。
比较例2-3
在本实施例中,除了在第一浸胶阶段中,将传统预浸渍液P1改为粘接剂组成物T1之外,使用与比较例2-1相同的方式形成有机纤维浸胶帘布。
比较例2-4
在本实施例中,除了在第一浸胶阶段中,将传统预浸渍液P1改为粘接剂组成物T2之外,使用与比较例2-1相同的方式形成有机纤维浸胶帘布。
接下来,对实施例3-1~3-2及比较例2-1~2-4的有机纤维浸胶帘布热贴合橡胶后,形成有机纤维/橡胶的复合材料,对该复合材料进行接着性、耐热性及耐疲劳性测试。具体而言,依ASTM D4393进行剥离法测试。依ASTM D6588进行耐疲劳性测试(试验条件:压缩率20%,拉伸率6.5%,疲劳时间24小时,转速1800rpm)。而耐热性测试是指在170℃下进行60分钟硫化处理之后,依ASTM D4393进行接着性能测试。并将测试结果纪录于下表2中。
表1
组分 | 质量份 |
天然橡胶(1#天然胶) | 90.0 |
丁苯橡胶(1500) | 10.0 |
硬脂酸(200型,一级) | 2.0 |
促进剂DM | 1.2 |
促进剂TT | 0.03 |
氧化锌 | 8.0 |
碳黑(N330) | 35.0 |
硫磺 | 2.5 |
粘合剂A | 0.8 |
粘合剂RS | 0.96 |
总计 | 150.49 |
表2
从表2的测试结果可知,仅在单一浸胶阶段中使用本揭示内容的粘接剂组成物所形成的有机纤维浸胶帘布,具有与使用传统的两个浸胶阶段所形成的有机纤维浸胶帘布相近的接着性、耐热性及耐疲劳性(参阅实施例3-1、3-2与比较例2-1、2-2的测试结果)。
另一方面,相较于在第二浸胶阶段中使用传统的RFL粘接剂组成物所形成的有机纤维浸胶帘布(比较例2-3、2-4),使用本揭示内容的粘接剂组成物所形成的有机纤维浸胶帘布(实施例3-1、3-2)具有明显较佳的耐热性及耐疲劳性。其原因在于,用于活化有机纤维的卤代醇化合物及封闭型异氰酸酯化合物与传统的RFL粘接剂组成物之间的相容性不佳。因此,本揭示内容的粘接剂组成物除了不包含间苯二酚及甲醛而不会对操作人员和环境造成危害之外,还提升了有机纤维/橡胶复合材料的耐热性及耐疲劳性。
不同纱线种类实验
实施例4-1
在本实施例中,除了将聚酯纱线改为锦纶66纱线(1260d/2ply,捻度350×350TPM)之外,使用与实施例3-1相同的方式形成有机纤维浸胶帘布。
实施例4-2
在本实施例中,除了将聚酯纱线改为聚间苯二甲酰间苯二胺纤维纱线(1500d/2ply,捻度325×325TPM)之外,使用与实施例3-2相同的方式形成有机纤维浸胶帘布。
比较例3-1
在本实施例中,除了将粘接剂组成物T1改为传统的RFL粘接剂组成物之外,使用与实施例4-1相同的方式形成有机纤维浸胶帘布。
比较例3-2
在本实施例中,使用相同的浸胶机台,进行两个浸胶阶段。首先,将聚间苯二甲酰间苯二胺纤维纱线(1500d/2ply,捻度325×325TPM)编织成帘状物。接下来,在第一浸胶阶段中,将帘状物浸渍于传统预浸渍液P1中。接着,在170℃的温度下干燥90秒,并在245℃的温度下烘烤60秒。
接下来,在第二浸胶阶段中,将上述烘烤后的帘状物浸渍于传统的RFL粘接剂组成物中。接着,在170℃的温度下干燥90秒,并在245℃的温度下烘烤60秒以形成粘接剂层于纱线表面上,形成有机纤维浸胶帘布。。
随后,通过热压贴合橡胶(其组分同上表1)以形成有机纤维/橡胶复合材料。
接下来,对实施例4-1~4-2及比较例3-1~3-2的有机纤维/橡胶复合材料进行接着性测试。具体而言,依ASTM D4393进行剥离法测试。并将测试结果纪录于下表3中。
表3
从表3的测试结果可知,本揭示内容的粘接剂组成物适用于聚酯、锦纶或芳香聚酰胺等纱线材料,而其接着性能与使用传统的RFL粘接剂组成物时相近。
综上所述,本揭示内容提出一种粘接剂组成物。由于粘接剂组成物不包含间苯二酚及甲醛,因此相较于传统的RFL粘接剂组成物,对操作人员和环境不会造成危害。此外,本揭示内容的粘接剂组成物包含卤代醇化合物及封闭型异氰酸酯化合物,从而可使用单一浸胶阶段即获得良好的接着性能。相较于使用两个浸胶阶段的习知技术,使用本揭示内容的粘接剂组成物在成本上具有优势。再者,用于活化有机纤维的卤代醇化合物及封闭型异氰酸酯化合物与胶乳之间具有良好的相容性,因此由本揭示内容的粘接剂组成物所形成的有机纤维/橡胶复合材料具有良好的物理机械性质、干热收缩、耐热性及耐疲劳性。据此,本揭示内容的粘接剂组成物适用于各种有机纤维/橡胶复合产品中。
虽然本揭示内容已以实施方式揭露如上,但其他实施方式亦有可能。因此,所请权利要求的精神与范围并不限定于此处实施方式所含的叙述。
任何熟习此技艺者可明了,在不脱离本揭示内容的精神和范围内,当可作各种的更动与润饰,因此本揭示内容的保护范围当视后附的申请专利范围所界定者为准。
Claims (14)
1.一种用于使有机纤维与橡胶接着的粘接剂组成物,其特征在于,包含:卤代醇化合物、封闭型异氰酸酯化合物及胶乳,其中不包含间苯二酚及甲醛。
2.如权利要求1的粘接剂组成物,其中该卤代醇化合物是氯代醇化合物。
3.如权利要求1的粘接剂组成物,其中该卤代醇化合物是卤代山梨醇、卤代甘油醇或其组合。
4.如权利要求3的粘接剂组成物,其中该卤代山梨醇是氯代山梨醇。
5.如权利要求3的粘接剂组成物,其中该卤代甘油醇是氯代甘油醇。
6.如权利要求1的粘接剂组成物,其中该胶乳是丁二烯和乙烯基吡啶共聚物。
7.一种有机纤维的处理方法,其特征在于,其是将有机纤维或布体浸渍于如权利要求1所述的粘接剂组成物中,之后取出并烘干。
8.如权利要求7的处理方法,其中该有机纤维是选自于聚酯纤维、锦纶纤维、芳香族聚酰胺纤维,或其所任意的组合。
9.如权利要求8的处理方法,其中该聚酯纤维是聚对苯二甲酸乙酯纤维。
10.如权利要求8的处理方法,其中该锦纶纤维是锦纶66纤维。
11.如权利要求8的处理方法,其中该芳香族聚酰胺纤维是聚间苯二甲酰间苯二胺纤维。
12.一种有机纤维,其特征在于,其是经如权利要求7所述的处理方法所获得者。
13.如权利要求12的有机纤维,其是用于轮胎、软管、输送带或皮带。
14.一种如权利要求1所述粘接剂组成物的用途,其特征在于,其是用于粘接轮胎、软管、输送带或皮带中的有机纤维与橡胶。
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