CN1106854A - 用作纤维粘合剂的可交联分散粉 - Google Patents
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Abstract
本发明涉及可交联、可再分散的分散粉(其主要
成分为乙烯酯共聚物或(甲基)丙烯酸酯共聚物)作为
纤维材料干粘合的粘合剂的应用,其中,乙烯酯共聚
物包括一种或多种单体,这些单体是选自:由具有1
到15个碳原子的无支链的或有支链的烷基羧酸的
乙烯酯所组成的一组单体;(甲基)丙烯酸酯共聚物包
括一种或多种单体,这些单体选自:由具有1至10个
碳原子的醇所形成的甲基丙烯酸酯或丙烯酸酯所组
成的一组单体,且在所有情况下,乙烯酯及(甲基)丙
烯酸酯包括0.1至10%(重量)的一种或多种具有交
联作用的乙烯类不饱和共聚单体。
Description
本发明涉及可交联、可再分散的分散粉(其主要成分为乙烯酯共聚物或(甲基)丙烯酸酯共聚物)作为纤维材料干粘合的粘合剂的应用。
纤维结构经用粘合剂压紧粘结,可增加其抵抗机械应力的能力。所用粘合剂可为固体,例如:粉末、颗粒或纤维,或为液体,例如:溶液或分散液。聚合物附着于纤维上而使纤维粘合在一起,并使其强度增加,因而增强纤维的结构。
WO-A 90/14457中曾公开一种方法,其中,在梳理步骤之后,将玻璃纤维与一热塑性粉末(例如:聚丙烯、聚酯或聚酰胺)混合,然后在高温及高压下使纤维结构得以压紧粘结。AU-B 36659/89中也曾述及利用热塑性粉末(最好使用聚酯或聚苯乙烯)使玻璃纤维材料压紧粘结的案例。其缺点是,如此粘合的纤维结构,一旦接触到水或溶剂,强度会明显降低。
若要制得常与水或溶剂接触或适用于高温的高强度纤维无纺布,需采用可在特定的加工阶段完全交联或聚合的聚合物。EP-B 0080144(US-A4451315)中曾述及有关聚酯、聚酰胺或棉纤维的纤维无纺布与自行交联的丙烯酯共聚物、乙烯、醋酸乙烯酯共聚物或自行交联的合成橡胶的乳化液进行压紧粘结的案例。藉此种方法可制得高强度无纺布材料;采用水性粘合剂的缺点是干燥费用高,而且,纤维基质内粘合剂的分布也有问题。
US-A 4612224中曾述及有关压紧粘结粉状的、可交联的、以酚-甲醛树脂为主要成分的聚合物的案例。该粘合剂体系的缺点是:在制备或使用如此压紧粘结的纤维材料期间常有大量甲醛释放出。
本发明的目的在于提供一种用以压紧粘结纤维材料的粉状粘合剂,其抗湿性强、稳定性佳,且在加工期间不释放有害物质。
为了达到上述目的,一种以热塑性共聚物为主要成分的干性粘合剂已经开发成功,这些共聚物仅含少量共聚单体,这些共聚单体具有交联作用而产生高强度,且甲醛释放量可忽略不计。
DE-A 2701490(US-A 4129545)曾述及一些粉状漆,其组成是以丙烯酸酯及/或乙烯酯为主的热固性共聚物,且包括单官能或多官能羟羧酸的(甲基)丙烯酸酯及N-烷氧烷基(甲基)丙烯酰胺作为交联成分。
本发明涉及可交联、可再分散的分散粉(其主要成分为乙烯酯共聚物或(甲基)丙烯酸酯共聚物)作为纤维材料干粘合的粘合剂的应用,其中,所述的乙烯酯共聚物包括一种或多种单体,这些单体选自:由具有1至15个碳原子的无支链的或有支链的烷基羧酸的乙烯酯所组成的一组单体,所述的(甲基)丙烯酸酯共聚物包括一种或多种单体,这些单体选自:由具有1至10个碳原子的醇所形成的甲基丙烯酸酯或丙烯酸酯所组成的一组单体,且在每种情况下,乙烯酯及(甲基)丙烯酸酯包括0.1至10%(重量)(以共聚物总重量为基准)的一种或多种具有交联作用的乙烯类不饱和共聚单体。
优选的乙烯酯为:醋酸乙烯酯、丙酸乙烯酸、丁酸乙烯酯、2-乙基己酸乙烯酯、月桂酸乙烯酯、乙酸1-甲基乙烯酯、新茂酸乙烯酯及具有9至10个碳原子的α-接枝单羧酸的乙烯酯,例如:VeoVa9R或VeoVa10R。其中尤其优选为醋酸乙烯酯。
优选的甲基丙烯酸酯或丙烯酸酯为:丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸乙酯、甲基丙烯酸乙酯、丙烯酸丙酯、甲基丙烯酸丙酯、丙烯酸正-丁酯、甲基丙烯酸正-丁酯及丙烯酸2-乙基己酯。其中,尤其优选为丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸正-丁酯及丙烯酸2-乙基己酯。
优选的具有交联作用的乙烯类不饱和共聚单体为:丙烯酰胺基羟基乙酸(AGA)、甲基丙烯酰胺基羟基乙酸甲酯(MAGME)、N-羟甲基丙烯酰胺(NMAA)、N-羟甲基甲基丙烯酰胺、N-羟甲基胺基甲酸烯丙酯、烷基醚,例如:异丁醚、或N-羟甲基丙烯酰胺的酯,N-羟甲基甲基丙烯酰胺的酯或N-羟甲基胺基甲酸烯丙酯。其中,尤其优选为N-羟甲基丙烯酰胺及N-羟甲基甲基丙烯酰胺。
如果合适的话,乙烯酯共聚物可包括1.0至65%(重量),以共聚单体相的总重量为准,的α-烯烃,例如:乙烯或丙烯,及/或乙烯基芳香烃,例如:苯乙烯,及/或卤代乙烯,例如:氯乙烯,及/或具有1至10个碳原子的醇类的丙烯酸酯或甲基丙烯酸酯,例如:丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸乙酯、甲基丙烯酸乙酯、丙烯酸丙酯、甲基丙烯酸丙酯、丙烯酸正-丁酯、甲基丙烯酸正-丁酯或丙烯酸2-乙基己酯,及/或乙烯类不饱和二羧酸酯或其衍生物,例如:反式丁烯二酸二异丙酯、顺式丁烯二酸或反式丁烯二酸或顺式丁烯二酸酐的二甲基、二丁基及二乙基酯。选择上述单体时,以所得共聚物的玻璃化转变温度Tg介于-20℃至+60℃之间为宜。
如果合适的话,(甲基)丙烯酸酯共聚物可包括1.0至65%(重量),以共聚单体相的总重量为基准,的α-烯烃,例如:乙烯或丙烯,及/或乙烯基芳香烃,例如:苯乙烯,及/或卤代乙烯,例如:氯乙烯,及/或乙烯类不饱和二羧酸酯或其衍生物,例如:反式丁烯二酸二异丙酯、顺式丁烯二酸或反式丁烯二酸或顺式丁烯二酸酐的二甲基、二丁基及二乙基酯。选择上述单体时,以所得共聚物的玻璃化转变温度Tg介于-20℃至+60℃之间为宜。
于一优选的具体实施例中,乙烯酯共聚物及(甲基)丙烯酸酯共聚物也包括0.05至3.0%(重量),以共聚单体混合物的总重量为基准,的辅助单体,这些辅助单体选自:①包括乙烯类不饱和羧酯(优选为丙烯酸或甲基丙烯酸)的一组单体,②包括乙烯类不饱和羧酸酰胺(优选为丙烯酰胺)的一组单体,③包括乙烯类不饱和磺酸及基盐类(优选为乙烯基磺酸)的一组单体及/或包括聚乙烯类不饱和共聚单体(例如:己二酸二乙烯酯、顺丁烯二酸二烯丙酯、甲基丙烯酸烯丙酯或三聚氰酸三烯丙酯)的一组单体。其中,尤其优选为包括有与特定交联体系等摩耳量的丙烯酰胺的共聚物。
优选的乙烯酯共聚物包括:
70至95%(重量)的乙烯酯,尤其是醋酸乙烯酯、5至25%(重量)的α-烯烃(尤其是乙烯),及/或5至30%(重量)的反式丁烯二酸二异丙酯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
50至70%(重量)的乙烯酯,尤其是醋酸乙烯酯,10至30%(重量)的α-接枝羧酸乙烯酯(尤其是VeoVa9R和/或VeoVa10R),5至25%(重量)的乙烯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
15至50%(重量)的乙烯酯,尤其是醋酸乙烯酯,30至65%(重量)的氯乙烯和/或反式丁烯二酸二异丙酯,5至25%(重量)的乙烯和0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
50至70%(重量)的乙烯酯,尤其是醋酸乙烯酯,1至30%(重量)的丙烯酸酯,尤其是丙烯酸正-丁酯或丙烯酸2-乙基己酯,5至25%(重量)的乙烯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺。在每种情况下,以重量百分比表示的数据,其总和为100%。
优选的(甲基)丙烯酸酯共聚物包括:
30至70%(重量)的甲基丙烯酸甲酯,70至30%(重量)的丙烯酸正-丁酯及/或丙烯酸2-乙基己酯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
30至70%(重量)的苯乙烯及70至30%(重量)的丙烯酸正-丁酯和/或丙烯酸2-乙基己酯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺。在每种情况下,以重量百分比表示的数据,其总和为100%。
乙烯酯共聚物和(甲基)丙烯酸酯共聚物,最好以乳液聚合法制备。聚合作用的实施,可采用非连续式或连续式方法,可使用或不用晶种胶粒,开始时将反应混合物的全部组分或各个组分置于反应容器内,或开始时将反应混合物的全部组分或各个组分部分置于反应容器内,随后将其余部分计量加入,或开始时不放置任何组分,全部采用计量添加法加入。所有计量添加的速率,最好以各特定成分的消耗率为准。
聚合作用是在0至100℃的温度范围内进行,且通常采用乳液聚合法引发。引发作用是藉常用的水溶性化学试剂,这些化学试剂可形成自由基,其优选的使用量为0.01至3.0%(重量),以单体的总重量为基准。这些引发剂的实例是:过硫酸的铵盐及钾盐及过氧化二硫酸的铵盐及钾盐;过氧化氢;烷基过氧化氢,例如:叔丁基过氧化氢;过氧化二磷酸的钾盐、钠盐及铵盐;及偶氮化合物,例如:偶氮二异丁腈或偶氮二氰戊酸。如果合适的话,上述自由基引发剂中,也可依照传统方式,加入0.01至0.5%(重量),以单体的总重量为基准,的还原剂。例如,甲醛-羟硫酸(sulphoxylate)盐或抗坏血酸均适宜。在氧化还原引发聚合作用时,氧化还原催化剂中的一种或两种成分,最好在反应进行期间计量加入。
可使用的分散剂均为乳液聚合作用期间常用的乳化剂及保护胶体。以单体的总重量为基准,乳化剂的使用量以1至6%(重量)为佳。例如,适当的化学试剂是:阴离子表面活性剂,诸如:链长8至18个碳原子硫酸烷基酯,疏水基内有8至18个碳原子且包括高达40个环氧乙烷或环氧丙烷单元的硫酸烷基醚酯及硫酸烷基芳基醚酯,具有8至18个碳原子的磺酸烷基酯或磺酸烷基芳基酯及磺基丁二酸与一元醇或烷基酚的酯或半酯。适当的非离子表面活性剂的实例是:具有8至40个环氧乙烷单元的烷基聚乙二醇醚或烷基芳基聚乙二醇醚。
如果合适的话,也可采用保护胶体,其使用量以高达15%(重量)为佳(以单体的总重量为基准)。这些保护胶体的实例是:含有80至100%(摩耳)的乙烯醇单元的乙烯醇/醋酸乙烯酯共聚物,分子量为5000至400,000的聚乙烯基-吡咯烷酮及取代度的范围为1.5至3的羟乙基纤维素。
聚合作用的预期pH值范围通常为2.5至10,但以3至8较佳,可用传统的方式,由酸、碱或常用的缓冲盐而确定,例如:碱金属磷酸盐或碱金属碳酸盐。为达到预期的分子量,在聚合作用期间,可添加常用的分子量调节剂,例如:硫醇、醛类及氯化烃。
为制备分散粉,将分散液加以干燥,优选的干燥方法是喷雾干燥或冷冻干燥法,尤其优选为喷雾干燥法。这里所使用的传统装置是:在经加热(如果合适的话)的干燥气流中,利用多元喷嘴或多元盘,通常温度不超过250℃。经过若干次实验即可决定干燥气体的最佳温度。经验证明60℃以上的温度特别适宜。
若分散粉的玻璃化转变温度Tg偏低,为增进其储存稳定性并防止粘结及结块,于干燥时,如果合适的话,则加入抗结块剂,例如:硅酸铝、硅藻土或碳酸钙。此外,如果合适的话,分散粉中也可添加消泡剂(以硅氧烷或烃类为主)或雾化助剂,例如:聚乙烯醇或水溶性三聚氰胺-甲醛的缩合产物。
在一优选的具体实施例中,分散粉也可包括0至30%(重量),尤其优选为1至15%(重量),以主要聚合物为基准,的聚乙烯醇(其水解度为85至94%(摩耳)),和/或0至10%(重量)的乙烯醇共聚物(其中含有5至35%(重量)的1-甲基乙烯醇单元),和/或0至30%(重量),尤其优选为4至20%(重量),以聚合物组分的总重量为基准,的抗结块剂,及如果合适的话,高达2%(重量),以主要聚合物为基准,的消泡剂。
该可交联分散粉适用于天然或合成纤维材料的压紧粘合。这些纤维材料的实例是:木质纤维、纤维素纤维、毛、棉、矿物质纤维、陶瓷纤维、以纤维成形的聚合物为主的合成纤维,例如:粘胶纤维、聚乙烯、聚丙烯、聚酯、聚酰胺、聚丙烯腈或碳的纤维、氯乙烯均聚物或共聚物的纤维或四氟乙烯均聚物或共聚物的纤维。
在压紧粘合前,将纤维铺展成片状。这些铺展方法均为传统的方法,且主要因压紧粘合后纤维的用途而异。这些纤维的铺展工作,可藉气铺、湿铺、直纺或梳理装置来完成。在用粘合剂压紧粘合前,如果合适的话,这些片状结构也可用机械法压紧粘合,例如:交叉铺展、针织或喷水压紧粘合。
使用本发明产品时,将粉状粘合剂喷洒上、喷洒入(例如:梳理后的絮料)或摇入随意地经机械预压紧粘合的纤维材料,或以极简单的方式与纤维直接混合。压紧粘合的纤维材料所需粘合剂的量,因使用场合不同,其使用量介于5至50%(重量),以纤维重量为基准。
在一优选的具体实施例中,粘合剂未喷洒上之前,先用水将片状纤维结构加以润湿。水的使用量通常为5至60%(重量),优选为10至35%(重量),在每种情况下,均以纤维及粘合剂的干燥混合物总重量为基准。在此加工过程中,喷洒上粘合剂之后,可由加压、加热开始使纤维材料粘合。
但将粘合剂喷洒在潮湿纤维上之后,通过在气流中加热纤维结构,在80至110℃温度下,也可能将水分除去。在这种情况下,在粘合剂产生交联前,纤维上必须再喷洒上与如前所述同量的水。通过该项程序而完成纤维材料的预粘合作用,也即意味着纤维材料可采用预粘合的形式而非采用交联的形式进行运输。这是优于分散剂粘合的主要优点,因分散剂粘合不能予以再活化,因此预粘合作用则不可能。
若制造成形的物品(这些物品的材料是由如上所述量的纤维材料和粘合剂粉混合而成),其优选的程序是:将纤维及粘合剂以干燥状态加以混合,在加压及热处理之前,首先按照如上所述的数量将水加入混合物中。
无论是呈片状结构还是作为成形物品的纤维/粘合剂混合物形式,纤维材料的压紧粘合均是在100至200℃的较佳温度及高达100巴的压力下进行。所施加的压力及温度的范围主要因纤维的特性而定。
一种优选的用途是利用可交联粉末压紧粘合的纤维材料来制造模压制品。为达到这一目的,将纤维与粘合剂按照如上所述的数量加以混合,在添加水之后,使该混合物在如上所述的压力及温度范围的作用下进行压紧粘合。该用途的实例是:制造隔音垫及汽车工业用模压制品。迄今模压制品所使用的结合剂,用量最多的粘合剂为酚醛树脂。但随之带来的缺点是:有甲醛及酚释放出。但使用本发明产品时,该项缺点则不再出现。
用于粘合玻璃纤维也为优选。
另一优选的用途是作为粘合絮料,例如:用以制造室内装饰品、绝缘及过滤絮料。到目前为止,易熔纤维、易熔粉末及氯乙烯聚合物分散剂,主要作为不易燃材料。与易熔纤维或易熔粉末的用途相比,其显著差异是:使用较少量本发明产品即可达到预期目标。使用本发明的可交联分散粉具有的另一优点是:与水性分散剂相比,就添加剂的性质及其物理化学性能而言,粉状添加剂(例如:阻燃剂、颜料及盐类)的混合工作不会受到严格限制。分散粉可与任何预期量的粉状添加物混合,无需添加表面活性剂且无需限制其适用期。
到目前为止,由纤维制造无纺布材料,均是采用聚合物分散剂、易熔粉末及易熔纤维,若同样优选地使用可交联分散粉,也具有类似的优点。
将可交联粉末用于制造针织毛毡也是可取的。在现有技术中,以苯乙烯/丁二烯橡胶、乙烯/醋酸乙烯酯及乙烯/醋酸乙烯酯/氯乙烯共聚物为主要成分的水性分散剂,是作此用途的最重要的使用者。用针织方法而压紧的纤维织物,经施以分散剂,藉热滚压机将其变成薄膜。若使用本发明的可交联聚合物粉,即使将用于交联所添加的水量计算在内,干燥机所消耗的能量,及因此而制造过程中所需的能量,均将大幅度降低。
总之,在传统采用含水体系的场合(例如:无纺布材料的粘合),若使用可交联分散粉,其优点则是干燥费用及废水量可大幅度降低。在一些应用场合[其中,传统上采用可完全聚合(例如:酚醛树脂的预聚物或低聚物],玻璃纤维的粘合及由纤维材料生产的模压制品,则优点是:反应温度大幅度降低且反应混合物的组成得以简化。
通过下列实施例对本发明作进一步说明:
实施例1(无纺布压紧固结)
利用实验室梳理机制得的聚酯纤维无纺布(6.7分特克斯(dtex)/60毫米),其单位面积重量约为50克/平方米。在梳理机的出口处,将20%(重量),以纤维及粘合剂的总重量为基准,的水及如下所述数量的分散粉(以醋酸乙烯酯聚合物为主,并具有1%(重量)的N-羟甲基丙烯酰胺)喷洒入。这些无纺布在如下所述温度下压紧固结。干燥状态及潮湿状态(水中储存1分钟之后)下的机械性能(断裂力及伸长率)是依照DIN 53857标准来测定。
无纺布1:使用量为26.2%(重量),干燥机的温度为100℃;
无纺布2:使用量为28.4%(重量),干燥机的温度为150℃;
无纺布3:使用量为27.6%(重量),干燥机的温度为180℃。
实施例2(纤维成形物品的制法)
为制造样片,将80克再生棉与20克具有下述组成的分散粉加以混合,并将该混合物铺展在20×20平方厘米的表面上。并利用喷洒法用水将一些混合物加以润湿。然后在180至200℃温度范围内,在50巴的压力下,将这些混合物压制5分钟,则形成厚2毫米、重200克/平方米的样片。在干燥状态及潮湿状态(在水中储存10分钟之后)下的断裂力依照DIN53857的标准进行测定。在室温下,将这些样片储存在水中24小时,以评定其膨胀程度。
样片1:无水压制
以醋酸乙烯酯为主要成分的分散粉;
样片2:用20克水进行压制
以醋酸乙烯酯为主要成分的分散粉;
样片3:无水压制
以醋酸乙烯酯为主要成分的分散粉并带有1%(重量)的N-羟甲基丙烯酰胺;
样片4:用20克水进行压制
以醋酸乙烯酯为主要成分的分散粉并带有1%(重量)的N-羟甲基丙烯酰胺。
Claims (8)
1、可交联、可再分散的分散粉作为纤维材料干粘合的粘合剂的应用,该分散粉的主要成分为乙烯酯共聚物或(甲基)丙烯酸酯共聚物,其中,所述的乙烯酯共聚物包括一种或多种单体,这些单体选自由具有1至15个碳原子的无支链的或有支链的烷基羧酸的乙烯酯所组成的一组单体,所述的(甲基)丙烯酸酯共聚物包括一种或多种单体,这些单体选自由具有1至10个碳原子的醇所形成的甲基丙烯酸酯或丙烯酸酯所组成的一组单体,且在每种情况下,乙烯酯及(甲基)丙烯酸酯包括0.1至10%(重量)的一种或多种具有交联作用的乙烯类不饱和共聚单体,所述的重量百分比以共聚物的总重量为基准。
2、如权利要求1所述的应用,其特征在于:所述的分散粉包括一种或多种具有交联作用的共聚单体,这些共聚单体选自一组单体,包括:丙烯酰胺基羟基乙酸、甲基丙烯酰胺基羟基乙酸甲酯、N-羟甲基丙烯酰胺、N-羟甲基甲基丙烯酰胺、N-羟甲基胺基甲酸烯丙酯、烷基醚,例如:异丁醚或N-羟甲基丙烯酰胺的酯,N-羟甲基甲基丙烯酰胺的酯或N-羟甲基胺基甲酸烯丙酯。
3、如权利要求1所述的应用,其特征在于:所述的乙烯酯共聚物包括:
70至95%(重量)的醋酸乙烯酯、5至25%(重量)的乙烯和/或5至30%(重量)的反式丁烯二酸二异丙酯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
50至70%(重量)的醋酸乙烯酯,10至30%(重量)的VeoVa9R和/或VeoVa10R,5至25%(重量)的乙烯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
15至50%(重量)的醋酸乙烯酯,30至65%(重量)的氯乙烯和/或反式丁烯二酸二异丙酯,5至25%(重量)的乙烯和0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
50至70%(重量)的醋酸乙烯酯,1至30%(重量)的丙烯酸正-丁酯或丙烯酸2-乙基己酯,5至25%(重量)的乙烯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺。
4、如权利要求1所述的应用,其特征在于,所述的(甲基)丙烯酸酯共聚物包括:
30至70%(重量)的甲基丙烯酸甲酯,70至30%(重量)的丙烯酸正-丁酯和/或丙烯酸2-乙基己酯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺,或
30至70%(重量)的苯乙烯及70至30%(重量)的丙烯酸正-丁酯和/或丙烯酸2-乙基己酯及0.1至10%(重量)的N-羟甲基(甲基)丙烯酰胺。
5、如权利要求1-4中之一所述的应用,其特征在于,用可交联、可再分散的分散粉压紧粘合木质纤维、纤维素纤维、毛、棉、矿物质纤维、陶瓷纤维、以纤维成形聚合物为主的合成纤维,例如:粘胶纤维、聚乙烯、聚丙烯、聚酯、聚酰胺、聚丙烯腈或碳的纤维、氯乙烯均聚物或共聚物的纤维或四氟乙烯均聚物或共聚物的纤维。
6、如权利要求1-5中之一所述的应用,其特征在于:以纤维重量为基准,5至50%(重量)的可交联、可再分散的分散粉喷洒上或喷洒入或摇入随意地经机械压紧粘合的纤维材料中,或直接与纤维混合,以纤维及粘合剂的干燥混合物的总重量为基准,用5至60%(重量)的水将该混合物加以润湿,在将分散粉喷洒上之前或之后,在压力高达100巴及温度100至200℃的情况下,将片状结构或成形物品加热,以粘合纤维。
7、如权利要求6所述的应用,其特征在于:将分散粉喷洒在湿纤维上之后,在80至110℃温度下的气流中加热纤维结构以除去水分,于热交联前,再将所述数量的水喷洒在纤维上。
8、如权利要求1-7中之一所述的应用,其特征在于:用可交联、可再分散的分散粉在生产纤维材料模压制品时来粘合纤维、粘合玻璃纤维、粘合絮料、粘合由纤维生产的无纺布材料及生产的针织毛毡。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DEP4306808.1 | 1993-03-04 | ||
DE4306808A DE4306808A1 (de) | 1993-03-04 | 1993-03-04 | Vernetzbare Dispersionspulver als Bindemittel für Fasern |
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CN1106854A true CN1106854A (zh) | 1995-08-16 |
CN1094145C CN1094145C (zh) | 2002-11-13 |
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CN94102493A Expired - Fee Related CN1094145C (zh) | 1993-03-04 | 1994-03-04 | 用作纤维粘合剂的可交联分散粉 |
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US (2) | US5668216A (zh) |
EP (1) | EP0687317B1 (zh) |
JP (1) | JP2739611B2 (zh) |
KR (2) | KR0138805B1 (zh) |
CN (1) | CN1094145C (zh) |
AT (1) | ATE145258T1 (zh) |
AU (1) | AU675704B2 (zh) |
BR (1) | BR9405880A (zh) |
CA (1) | CA2161119C (zh) |
CZ (1) | CZ287541B6 (zh) |
DE (2) | DE4306808A1 (zh) |
ES (1) | ES2094054T3 (zh) |
FI (1) | FI114321B (zh) |
HU (1) | HU214051B (zh) |
NO (1) | NO180805C (zh) |
PL (1) | PL173357B1 (zh) |
RU (1) | RU2101404C1 (zh) |
SK (1) | SK281475B6 (zh) |
UA (1) | UA40610C2 (zh) |
WO (1) | WO1994020661A1 (zh) |
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CN101161752B (zh) * | 2006-09-29 | 2012-05-23 | 瓦克化学公司 | 非织造纤维网用自交联乙酸乙烯酯-乙烯聚合物粘结剂 |
CN101679822B (zh) * | 2007-04-05 | 2012-07-18 | 德莎欧洲公司 | 热交联聚丙烯酸酯及其制备方法 |
CN103485077A (zh) * | 2013-09-10 | 2014-01-01 | 湖北天运消音防振新材料有限公司 | 一种全固化毛毡生产线装置 |
CN106471170A (zh) * | 2014-04-14 | 2017-03-01 | 精工爱普生株式会社 | 薄片制造装置 |
CN109996913A (zh) * | 2016-10-31 | 2019-07-09 | 普莱玛有限公司 | 风干棉絮隔热物 |
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-
1993
- 1993-03-04 DE DE4306808A patent/DE4306808A1/de not_active Withdrawn
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1994
- 1994-03-03 CZ CZ19951407A patent/CZ287541B6/cs not_active IP Right Cessation
- 1994-03-03 EP EP94909916A patent/EP0687317B1/de not_active Expired - Lifetime
- 1994-03-03 SK SK729-95A patent/SK281475B6/sk unknown
- 1994-03-03 AU AU62576/94A patent/AU675704B2/en not_active Ceased
- 1994-03-03 RU RU95122798A patent/RU2101404C1/ru active
- 1994-03-03 WO PCT/EP1994/000625 patent/WO1994020661A1/de active IP Right Grant
- 1994-03-03 DE DE59401045T patent/DE59401045D1/de not_active Expired - Lifetime
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- 1994-03-03 PL PL94310466A patent/PL173357B1/pl unknown
- 1994-03-03 KR KR1019950703689A patent/KR960700627A/ko not_active IP Right Cessation
- 1994-03-03 BR BR9405880A patent/BR9405880A/pt not_active IP Right Cessation
- 1994-03-04 CN CN94102493A patent/CN1094145C/zh not_active Expired - Fee Related
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- 1995-09-01 NO NO953446A patent/NO180805C/no not_active IP Right Cessation
- 1995-09-04 FI FI954129A patent/FI114321B/fi not_active IP Right Cessation
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CN101161752B (zh) * | 2006-09-29 | 2012-05-23 | 瓦克化学公司 | 非织造纤维网用自交联乙酸乙烯酯-乙烯聚合物粘结剂 |
CN101679822B (zh) * | 2007-04-05 | 2012-07-18 | 德莎欧洲公司 | 热交联聚丙烯酸酯及其制备方法 |
CN103485077A (zh) * | 2013-09-10 | 2014-01-01 | 湖北天运消音防振新材料有限公司 | 一种全固化毛毡生产线装置 |
CN103485077B (zh) * | 2013-09-10 | 2016-08-10 | 广德天运新技术股份有限公司 | 一种全固化毛毡生产线装置 |
CN106471170A (zh) * | 2014-04-14 | 2017-03-01 | 精工爱普生株式会社 | 薄片制造装置 |
CN106471170B (zh) * | 2014-04-14 | 2019-04-23 | 精工爱普生株式会社 | 薄片制造装置 |
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CN109996913A (zh) * | 2016-10-31 | 2019-07-09 | 普莱玛有限公司 | 风干棉絮隔热物 |
CN109996913B (zh) * | 2016-10-31 | 2022-07-26 | 普莱玛有限公司 | 风干棉絮隔热物 |
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