CN113444405A - 一种热升华色带和用于热升华色带的背涂液及其制备方法 - Google Patents
一种热升华色带和用于热升华色带的背涂液及其制备方法 Download PDFInfo
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Abstract
本发明涉及一种热升华色带和用于热升华色带的背涂液及其制备方法,其有效成分的质量份为:硝化纤维素100份;有机硅塑料1‑30份;硬脂酸辛树脂1‑40份;甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物1‑40份,本发明提出的一种热升华色带和用于热升华色带的背涂液及其制备方法,所使用的原料成分简单,成本低,节省了能源,同时也能满足色带背涂层的使用要求,不影响色带打印产品的质量。
Description
技术领域
本发明涉及色带所用的背涂液的配方技术领域,具体涉及一种热升华色带和用于热升华色带的背涂液及其制备方法。
背景技术
随着色带应用的不断扩大,色带品种也越来越多,越来越高端,从蜡基、混合基、树脂基,色带越高端,对背涂层的要求也越来越高。色带背面的一层背涂层,它的主要作用是减少打印头磨损,减少静电产生和加强热传导。
以往背涂层以有机硅为主,但缺陷是硅油迁移,对高端产品打印有影响。再有进口背涂层大部分是丙烯酸和有机硅接枝的产品,需要高温固化,浪费热能,相对色带的成本就会增加。另外接枝产物对于高端产品达不到抗热的要求,色带会被打破,根本无法应用于热升华。
发明内容
本发明所要解决的技术问题是:提供一种热升华色带和用于热升华色带的背涂液及其制备方法,工艺简单,可以满足抗热的要求,并且不会影响色带打印清晰度。
本发明解决上述技术问题的技术方案如下:一种用于热升华色带的背涂液,其有效成分的质量份如下:
硝化纤维素 100份
有机硅塑料 1-30份
硬脂酸辛树脂 1-40份
甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物1-40份
一种热升华色带,包括权利要求1所述的用于热升华色带的背涂液。
优选地,所述背涂液形成的背涂层的厚度为0.2-0.6g/m2。
一种用于热升华色带的背涂液的制备方法,具体的制备方法为:在 50~60℃条件下,将硝化纤维素加入到有机溶剂中搅拌,再将有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物称重,加入到硝化纤维素溶液中搅拌。
采用上述方案的有益效果是:本发明提出的一种热升华色带和用于热升华色带的背涂液及其制备方法,所使用的原料成分简单,成本低,节省了能源,同时也能满足色带背涂层的使用要求,不影响色带打印产品的质量。
附图说明
图1是一种热转印树脂基色带的结构。
具体实施方式
以下对本发明的原理和特征进行描述,所举实例只用于解释本发明,并非用于限定本发明的范围。
实施例一
一种用于热升华色带的背涂液,其有效成分的质量份如下:硝化纤维素 100份;有机硅塑料1份;硬脂酸辛树脂1份;甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物1份。
一种热升华色带,包括以上所述的用于热升华色带的背涂液,所述背涂液形成的背涂层的厚度为0.2g/m2。
一种用于热升华色带的背涂液的制备方法,具体的制备方法为:在50℃条件下,将硝化纤维素加入到有机溶剂中搅拌,再将有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物称重,加入到硝化纤维素溶液中搅拌。
所述有机溶剂为芳香族类溶剂,如二甲苯、甲苯等。
实施例二
一种用于热升华色带的背涂液,其有效成分的质量份如下:硝化纤维素 100份;有机硅塑料30份;硬脂酸辛树脂40份;甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物40份。
一种热升华色带,包括以上所述的用于热升华色带的背涂液,所述背涂液形成的背涂层的厚度为0.6g/m2。
一种用于热升华色带的背涂液的制备方法,具体的制备方法为:在60℃条件下,将硝化纤维素加入到有机溶剂中搅拌,再将有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物称重,加入到硝化纤维素溶液中搅拌。
所述有机溶剂为二甲苯。
实施例三
一种用于热升华色带的背涂液,其有效成分的质量份如下:硝化纤维素 100份;有机硅塑料20份;硬脂酸辛树脂30份;甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物15份。
一种热升华色带,包括以上所述的用于热升华色带的背涂液,所述背涂液形成的背涂层的厚度为0.4g/m2。
一种用于热升华色带的背涂液的制备方法,具体的制备方法为:在55℃条件下,将硝化纤维素加入到有机溶剂中搅拌,再将有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物称重,加入到硝化纤维素溶液中搅拌。
所述有机溶剂为甲苯。
一种热转印树脂基色带,其构主要由以下几部分组成:
其中染料层为丙烯酸树脂或乙烯-醋酸乙烯酯油墨固化成的涂层,涂层厚度0.4-1.5g/m2;接着层为使用丙烯酸树脂或醋丁纤维素或硝化棉树脂涂料固化成的涂层,涂层厚度0.2-0.4g/m2;基材为PET材质,厚度4.3-6um;背涂层为硝化纤维素、有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物涂料固化所形成的涂层,涂层厚度0.2-0.6g/m2。
本发明所述染料层为丙烯酸树脂或乙烯-醋酸乙烯醋油墨固化成的涂层,因其涂层含颜料,需达到一定厚度才能达到产品的光泽度固使用涂布厚度为0.4-1.5g/m2,优选的涂层厚度1.2g/m2。接着层主要作用为染料层提供剥离较果,测试表明,部分丙烯酸树脂或醋丁纤维素或销化棉涂层达到 0.2um就可实现剥离,优先的涂层厚度0.3um。PET基材良好的热稳定性为本发明产品提供了有力的支撑,本发明所使用的PET膜厚度为4.3-6um,该厚度下,色带既能稳定运行,又具有良好的热传导性,优选的厚度6um。背涂层为硝化纤维素、有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物涂料所形成的涂层,涂层厚度0.2-0.6g/m2,有机硅塑料具有良好的耐热性及滑爽性,该背涂层有利于对打印机探头的保护,优选的涂层厚度0.46g/m2。
采用上述方案的有益效果是:本发明提出的一种热升华色带和用于热升华色带的背涂液及其制备方法,所使用的原料成分简单,成本低,节省了能源,同时也能满足色带背涂层的使用要求,不影响色带打印产品的质量。
在本发明的描述中,需要说明的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。
在本发明中,除非另有明确的规定和限定,第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触,或第一和第二特征通过中间媒介间接接触。而且,第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方,或仅仅表示第一特征水平高度小于第二特征。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (4)
1.一种用于热升华色带的背涂液,其特征在于,其有效成分的质量份如下:
硝化纤维素 100份
有机硅塑料 1-30份
硬脂酸辛树脂 1-40份
甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物1-40份。
2.一种热升华色带,其特征在于,包括权利要求1所述的用于热升华色带的背涂液。
3.根据权利要求2所述的一种热升华色带,其特征在于,所述背涂液形成的背涂层的厚度为0.2-0.6g/m2。
4.一种用于热升华色带的背涂液的制备方法,其特征在于,具体的制备方法为:在50~60℃条件下,将硝化纤维素加入到有机溶剂中搅拌,再将有机硅塑料、硬脂酸辛树脂和甲苯二异氰酸酯的芳香族聚异氰酸酯预聚物称重,加入到硝化纤维素溶液中搅拌。
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