CN113308905B - 含生物活性成分的大生物人造革的制备方法 - Google Patents
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Abstract
本发明提供含生物活性成分的大生物人造革的制备方法,所述的制备方法包括制备浆料、制备表面处理剂、制备含生物活性成分的改性溶液、涂覆浆料、去除离型纸、涂覆表面处理剂、涂覆含生物活性成分的改性溶液;所述制备浆料包括制备聚酰胺面层浆料、制备聚丙烯酸酯‑环氧树脂浆料、制备聚丙烯酸酯‑环氧树脂发泡浆料、制备聚酰胺贴合料。采用本方法制得的大生物人造革,柔软性能好,触摸感舒适,耐磨性能强,经测试,耐磨次数可达到15.7‑16万次;剥离强度高,可达到2.7‑3kg/30mm;可有效抗菌除味,对金黄色葡萄球菌的抑菌率为90.8‑92%,对大肠杆菌抑菌率为91.8‑93%;不易开裂、脱落,光泽度好。
Description
技术领域
本发明涉及一种人造革技术领域,具体涉及含生物活性成分的大生物人造革的制备方法。
背景技术
人造革是一种外观、手感似皮革并可代替其使用的塑料制品。随着经济发展,人造革合成革行业已具有相当的经济规模,人造革合成革已发展成为日常消费制品工业中重要的行业之一。
CN109355923A公开了一种阻燃聚氨酯人造革的制备方法,所述方法主要包括基布制备,原材料按重量份包括以下组分端羟基聚丁二烯70-100份,二苯基亚甲基二异氰酸酯70-100份,乙烯基三乙氧基硅烷5-10份,硅烷偶联剂2-10份,二月桂酸二丁基锡0.1-0.2份,阻燃剂3-5份,碳纳米管5-10份、气相疏水二氧化硅5-10份,栀子果汁0-5份,甲硅烷基封端的聚醚5-10份;配置树脂层原料,100重量份聚氨酯弹性体,0-10重量份增塑剂,1-3重量份相容剂,0-20重量份填料,5-10重量份阻燃剂和3-5重量份栀子果汁;流延涂布成型。提供了全阻燃的人造革制备方法。但在实际应用中发现存在以下缺陷:
(1)耐磨性能差;
(2)剥离强度低。
发明内容
针对现有技术存在的不足,本发明提供含生物活性成分的大生物人造革的制备方法,实现以下发明目的:
(1)提高人造革的耐磨性能;
(2)提高人造革的剥离强度。
为解决上述技术问题,本发明采取以下技术方案:
含生物活性成分的大生物人造革的制备方法,所述的制备方法包括制备浆料、制备表面处理剂、制备含生物活性成分的改性溶液、涂覆浆料、去除离型纸、涂覆表面处理剂、涂覆含生物活性成分的改性溶液步骤;
所述制备浆料包括:制备聚酰胺面层浆料、制备聚丙烯酸酯-环氧树脂浆料、制备聚丙烯酸酯-环氧树脂发泡浆料、制备聚酰胺贴合料。
以下是对上述技术方案的进一步改进:
所述造革的制备方法包括:制备浆料、制备表面处理剂、制备含生物活性成分的改性溶液、涂覆浆料、去除离型纸、涂覆表面处理剂、涂覆含生物活性成分的改性溶液;
所述制备浆料包括:制备聚酰胺面层浆料、制备聚丙烯酸酯-环氧树脂浆料、制备聚丙烯酸酯-环氧树脂发泡浆料、制备聚酰胺贴合料;
所述聚酰胺面层浆料:聚丙烯酸酯-环氧树脂浆料:聚丙烯酸酯-环氧树脂发泡浆料:聚酰胺贴合料质量比为(163-173):(284-302):(334-352):(158-166);
所述表面处理剂与聚酰胺面层的质量比为(167-175):(163-173);
所述含生物活性成分的改性溶液与表面处理剂的质量比为(116-124):(167-175)。
具体步骤如下:
(1)制备浆料
①制备聚酰胺面层浆料
所述制备聚酰胺面层浆料,选取聚酰胺树脂88-92份、丁醇68-72份、三羟甲基丙烷7-9份,混合并搅拌均匀;
所述聚酰胺树脂重均分子量为56000。
②制备聚丙烯酸酯-环氧树脂浆料
所述制备聚丙烯酸酯-环氧树脂浆料:选取聚丙烯酸酯78-82份、环氧树脂78-82份、丙酮117-123份、酯基季铵盐4-6份、热稳定剂7-9份,混合并搅拌均匀;
所述酯基季铵盐为三乙醇胺型酯基季铵盐,固含量≥98%;游离胺≤1%;
所述热稳定剂为羟基蛋氨酸钙。
③制备聚丙烯酸酯-环氧树脂发泡浆料
所述制备聚丙烯酸酯-环氧树脂发泡浆料:选取聚丙烯酸酯78-82份、环氧树脂78-82份、丙酮117-123份、填充剂58-60份、发泡剂3.6-4.6份,混合并搅拌均匀;
所述填充剂为碳酸钙粉;
所述发泡剂为对甲苯磺酰肼。
④制备聚酰胺贴合料
所述制备聚酰胺贴合料:选取聚酰胺树脂88-92份,邻苯二甲酸二丙基庚酯68-72份,异丙基钛酸酯1.8-2.2份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为46000。
(2)制备表面处理剂
所述制备表面处理剂:选取聚酰胺树脂88-92份,丁酮73-77份,硅胶4.8-5.2份,中和剂0.9-1.1份,流平剂0.04-0.06份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为37000;
所述中和剂为硫代硫酸钠;
所述流平剂为聚醚聚酯改性有机硅氧烷。
(3)制备含生物活性成分的改性溶液
所述制备含生物活性成分的改性溶液,将98-102份水加热到83-87℃,加入植物提取物18-22份,搅拌至完全溶解制得含生物活性成分的改性溶液。
所述植物提取物为艾草提取物、薄荷提取物或绿茶提取物。
(4)涂覆浆料
所述涂覆浆料,①将制备的聚酰胺面层浆料均匀涂覆在离型纸上,118-122℃烘干后得到聚酰胺面层;
②将制备的聚丙烯酸酯-环氧树脂浆料均匀涂覆在聚酰胺面层上,147-153℃烘干后得到聚丙烯酸酯-环氧树脂中间层;
③将制备的聚丙烯酸酯-环氧树脂发泡浆料均匀涂覆在聚丙烯酸酯-环氧树脂中间层上,178-182℃下发泡得到聚丙烯酸酯-环氧树脂发泡层;
④将制备的聚酰胺贴合料均匀涂覆在聚丙烯酸酯-环氧树脂泡层上,再贴合基布,148-152℃下烘干。
(5)去除离型纸
所述去除离型纸,将上述制得的材料去除离型纸,得到人造革中间品。
(6)涂覆表面处理剂
所述涂覆表面处理剂,将制备的表面处理剂均匀涂覆在人造革中间品的聚酰胺面层上,118-122℃烘干,冷却成型,得到人造革半成品。
(7)涂覆含生物活性成分的改性溶液
所述涂覆含生物活性成分的改性溶液,将上述步骤得到的人造革半成品浸泡在含生物活性成分的改性溶液中浸泡18-22min,浸泡过程中按同一方向搅拌,然后加入改性助剂,搅拌均匀,再继续浸泡11-13min,取出后进行水洗、烘干得到大生物人造革成品;
所述改性助剂与含生物活性成分的改性溶液的质量比为1:49-52;
所述改性助剂由聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐组成;
所述聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐的质量比为1:1:1。
与现有技术相比,本发明的有益效果是:
(1)本发明制备的大生物人造革,柔软性能好,触摸感舒适,耐磨性能强,经测试,耐磨次数可达到15.7-16万次;
(2)本发明制备的大生物人造革,剥离强度高,可达到2.7-3kg/30mm以上;
(3)本发明制备的大生物人造革加入了绿茶、艾草、薄荷等抗菌提取物,可有效抗菌除味,对金黄色葡萄球菌的抑菌率为90.8-92%,对大肠杆菌抑菌率为91.8-93%;
(4)本发明制备的大生物人造革不易开裂、脱落,光泽度好。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1:含生物活性成分的大生物人造革的制备方法
具体步骤如下:
(1)制备浆料
①制备聚酰胺面层浆料:选取聚酰胺树脂90份、丁醇70份,三羟甲基丙烷8份、混合并搅拌均匀。
所述聚酰胺树脂重均分子量为56000。
②制备聚丙烯酸酯-环氧树脂浆料:选取聚丙烯酸酯80份、环氧树脂80份、丙酮120份、酯基季铵盐5份、热稳定剂8份,混合并搅拌均匀。
所述酯基季铵盐为三乙醇胺型酯基季铵盐,固含量≥98%;游离胺≤1%;
所述热稳定剂为羟基蛋氨酸钙。
③制备聚丙烯酸酯-环氧树脂发泡浆料:选取聚丙烯酸酯80份、环氧树脂80份、丙酮120份、填充剂60份、发泡剂4份,混合并搅拌均匀;
所述填充剂为碳酸钙粉;
所述发泡剂为对甲苯磺酰肼。
④制备聚酰胺贴合料:选取聚酰胺树脂90份,邻苯二甲酸二丙基庚酯70份,异丙基钛酸酯2份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为46000。
(2)制备表面处理剂
选取聚酰胺树脂90份,丁酮75份,硅胶5份,中和剂1份,流平剂0.05份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为37000;
所述中和剂为硫代硫酸钠;
所述流平剂为聚醚聚酯改性有机硅氧烷。
(3)制备含生物活性成分的改性溶液
将100份水加热到85℃,加入艾草提取物20份,搅拌至完全溶解制得含生物活性成分的改性溶液。
(4)涂覆浆料
所述涂覆浆料,聚酰胺面层浆料:聚丙烯酸酯-环氧树脂浆料:聚丙烯酸酯-环氧树脂发泡浆料:聚酰胺贴合料质量比为168:293:344:162;
具体涂覆步骤如下:
①将制备的聚酰胺面层浆料均匀涂覆在离型纸上,120℃烘干后得到聚酰胺面层;
②将制备的聚丙烯酸酯-环氧树脂浆料均匀涂覆在聚酰胺面层上,150℃烘干后得到聚丙烯酸酯-环氧树脂中间层;
③将制备的聚丙烯酸酯-环氧树脂发泡浆料均匀涂覆在聚丙烯酸酯-环氧树脂中间层上,180℃下发泡得到聚丙烯酸酯-环氧树脂发泡层;
④将制备的聚酰胺贴合料均匀涂覆在聚丙烯酸酯-环氧树脂泡层上,再贴合基布,150℃下烘干。
(5)去除离型纸
将上述制得的材料去除离型纸,得到人造革中间品。
(6)涂覆表面处理剂
所述涂覆表面处理剂,表面处理剂与聚酰胺面层的质量比为171.05:168;
具体涂覆步骤如下:
将制备的表面处理剂均匀涂覆在人造革中间品的聚酰胺面层上,120℃烘干,冷却成型,得到人造革半成品。
(7)涂覆含生物活性成分的改性溶液
将上述步骤得到的人造革半成品在含生物活性成分的改性溶液中浸泡20min,浸泡过程中按同一方向搅拌,然后加入改性助剂,搅拌均匀,再继续浸泡12min,取出后进行水洗、烘干得到大生物人造革成品;
所述含生物活性成分的改性溶液与表面处理剂的质量比为120:171.05;
所述改性助剂与含生物活性成分的改性溶液的质量比为1:50;
所述改性助剂由聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐组成;
所述聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐的质量比为1:1:1。
上述方法得到的大生物人造革,柔软性能好,触摸感舒适,耐磨性能强,经测试,耐磨次数可达到16万次;剥离强度达到3kg/30mm以上;对金黄色葡萄球菌的抑菌率为92%,对大肠杆菌抑菌率为93%。
实施例2:含生物活性成分的大生物人造革的制备方法
具体步骤如下:
(1)制备浆料
①制备聚酰胺面层浆料,选取聚酰胺树脂88份、丁醇68份、三羟甲基丙烷7份,混合并搅拌均匀;
所述聚酰胺树脂重均分子量为56000。
②制备聚丙烯酸酯-环氧树脂浆料:选取聚丙烯酸酯78份、环氧树脂78份、丙酮117份、酯基季铵盐4份、热稳定剂7份,混合并搅拌均匀;
所述酯基季铵盐为三乙醇胺型酯基季铵盐,固含量≥98%;游离胺≤1%;
所述热稳定剂为羟基蛋氨酸钙。
③制备聚丙烯酸酯-环氧树脂发泡浆料:选取聚丙烯酸酯78份、环氧树脂78份、丙酮117份、填充剂58份、发泡剂3.6份,混合并搅拌均匀;
所述填充剂为碳酸钙粉;
所述发泡剂为对甲苯磺酰肼。
④制备聚酰胺贴合料:选取聚酰胺树脂88份,邻苯二甲酸二丙基庚酯68份,异丙基钛酸酯1.8份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为46000。
(2)制备表面处理剂
制备表面处理剂:选取聚酰胺树脂88份,丁酮73份,硅胶4.8份,中和剂0.9份,流平剂0.04份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为37000;
所述中和剂为硫代硫酸钠;
所述流平剂为聚醚聚酯改性有机硅氧烷。
(3)制备含生物活性成分的改性溶液
将98份水加热到83℃,加入绿茶提取物18份,搅拌至完全溶解制得含生物活性成分的改性溶液。
(4)涂覆浆料
所述涂覆浆料,聚酰胺面层浆料:聚丙烯酸酯-环氧树脂浆料:聚丙烯酸酯-环氧树脂发泡浆料:聚酰胺贴合料的质量比为163:284:334.6:157.8;
具体涂覆步骤如下:
①将制备的聚酰胺面层浆料均匀涂覆在离型纸上,118℃烘干后得到聚酰胺面层;
②将制备的聚丙烯酸酯-环氧树脂浆料均匀涂覆在聚酰胺面层上,147℃烘干后得到聚丙烯酸酯-环氧树脂中间层;
③将制备的聚丙烯酸酯-环氧树脂发泡浆料均匀涂覆在聚丙烯酸酯-环氧树脂中间层上,178℃下发泡得到聚丙烯酸酯-环氧树脂发泡层;
④将制备的聚酰胺贴合料均匀涂覆在聚丙烯酸酯-环氧树脂泡层上,再贴合基布,148℃下烘干。
(5)去除离型纸
将上述制得的材料去除离型纸,得到人造革中间品。
(6)涂覆表面处理剂
所述涂覆表面处理剂,表面处理剂与聚酰胺面层的质量比为166.74:163;
具体涂覆步骤如下:
将制备的表面处理剂均匀涂覆在人造革中间品的聚酰胺面层上,118℃烘干,冷却成型,得到人造革半成品。
(7)涂覆含生物活性成分的改性溶液
将上述步骤得到的人造革半成品浸泡在含生物活性成分的改性溶液中浸泡18min,浸泡过程中按同一方向搅拌,然后加入改性助剂,搅拌均匀,再继续浸泡11min,取出后进行水洗、烘干得到大生物人造革成品;
所述含生物活性成分的改性溶液与表面处理剂的质量比为116:166.74;
所述改性助剂与含生物活性成分的改性溶液的质量比为1:49;
所述改性助剂由聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐组成;
所述聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐的质量比为1:1:1。
上述方法得到的大生物人造革,柔软性能好,触摸感舒适,耐磨性能强,经测试,耐磨次数可达到15.7万次;剥离强度达到2.8kg/30mm以上;对金黄色葡萄球菌的抑菌率为90.8%,对大肠杆菌抑菌率为91.8%。
实施例3:含生物活性成分的大生物人造革的制备方法
具体步骤如下:
(1)制备浆料
①制备聚酰胺面层浆料,选取聚酰胺树脂92份、丁醇72份、三羟甲基丙烷9份,混合并搅拌均匀;
所述聚酰胺树脂重均分子量为56000。
②制备聚丙烯酸酯-环氧树脂浆料:选取聚丙烯酸酯82份、环氧树脂82份、丙酮123份、酯基季铵盐6份、热稳定剂9份,混合并搅拌均匀;
所述酯基季铵盐为三乙醇胺型酯基季铵盐,固含量≥98%;游离胺≤1%;
所述热稳定剂为羟基蛋氨酸钙。
③制备聚丙烯酸酯-环氧树脂发泡浆料:选取聚丙烯酸酯82份、环氧树脂82份、丙酮123份、填充剂60份、发泡剂4.6份,混合并搅拌均匀;
所述填充剂为碳酸钙粉;
所述发泡剂为对甲苯磺酰肼。
④制备聚酰胺贴合料:选取聚酰胺树脂92份,邻苯二甲酸二丙基庚酯72份,异丙基钛酸酯2.2份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为46000。
(2)制备表面处理剂
选取聚酰胺树脂92份,丁酮77份,硅胶5.2份,中和剂1.1份,流平剂0.06份,混合并搅拌均匀;
所述聚酰胺树脂,重均分子量为37000;
所述中和剂为硫代硫酸钠;
所述流平剂为聚醚聚酯改性有机硅氧烷。
(3)制备含生物活性成分的改性溶液
将102份水加热到87℃,加入薄荷提取物22份,搅拌至完全溶解制得含生物活性成分的改性溶液。
(4)涂覆浆料
所述涂覆浆料,聚酰胺面层浆料:聚丙烯酸酯-环氧树脂浆料:聚丙烯酸酯-环氧树脂发泡浆料:聚酰胺贴合料质量比为173:302:351.6:166.2;
具体涂覆步骤如下:
①将制备的聚酰胺面层浆料均匀涂覆在离型纸上, 122℃烘干后得到聚酰胺面层;
②将制备的聚丙烯酸酯-环氧树脂浆料均匀涂覆在聚酰胺面层上, 153℃烘干后得到聚丙烯酸酯-环氧树脂中间层;
③将制备的聚丙烯酸酯-环氧树脂发泡浆料均匀涂覆在聚丙烯酸酯-环氧树脂中间层上, 182℃下发泡得到聚丙烯酸酯-环氧树脂发泡层;
④将制备的聚酰胺贴合料均匀涂覆在聚丙烯酸酯-环氧树脂泡层上,再贴合基布,152℃下烘干。
(5)去除离型纸
将上述制得的材料去除离型纸,得到人造革中间品。
(6)涂覆表面处理剂
所述涂覆表面处理剂,表面处理剂与聚酰胺面层的质量比为175.36:173;
具体涂覆步骤如下:
将制备的表面处理剂均匀涂覆在人造革中间品的聚酰胺面层上, 122℃烘干,冷却成型,得到人造革半成品。
(7)涂覆含生物活性成分的改性溶液
将上述步骤得到的人造革半成品浸泡在含生物活性成分的改性溶液中浸泡22min,浸泡过程中按同一方向搅拌,然后加入改性助剂,搅拌均匀,再继续浸泡13min,取出后进行水洗、烘干得到大生物人造革成品;
所述含生物活性成分的改性溶液与表面处理剂的质量比为124:175.36;
所述改性助剂与含生物活性成分的改性溶液的质量比为1:52;
所述改性助剂由聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐组成;
所述聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐的质量比为1:1:1。
上述方法得到的大生物人造革,柔软性能好,触摸感舒适,耐磨性能强,经测试,耐磨次数可达到15.8万次;剥离强度达到2.7kg/30mm以上;对金黄色葡萄球菌的抑菌率为90.2%,对大肠杆菌抑菌率为92.1%。
对比例1
在实施例1基础上,将各步骤的聚酰胺树脂的重均分子量全部采用56000,其余操作均与实施例1相同。
上述方法得到的人造革,耐磨次数为12万次;剥离强度为2.0kg/30mm。
对比例2
在实施例1基础上,将(1)制备浆料中的步骤②改变为:制备聚丙烯酸酯浆料:选取聚丙烯酸酯160份、丙酮120份、酯基季铵盐5份、热稳定剂8份,混合并搅拌均匀。
将(1)制备浆料中的步骤③改变为:制备聚丙烯酸酯发泡浆料:选取聚丙烯酸酯160份、丙酮120份、填充剂60份、发泡剂4份,混合并搅拌均匀;
其余操作均与实施例1相同。
上述方法的得到的人造革,耐磨次数为10万次;剥离强度为1.6kg/30mm。
最后应说明的是:以上所述仅为本发明的优选实施例,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。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 (1)
1.含生物活性成分的大生物人造革的制备方法,其特征在于,所述制备方法包括制备浆料、制备表面处理剂、制备含生物活性成分的改性溶液、涂覆浆料、去除离型纸、涂覆表面处理剂、涂覆含生物活性成分的改性溶液;
所述制备浆料包括制备聚酰胺面层浆料、制备聚丙烯酸酯-环氧树脂浆料、制备聚丙烯酸酯-环氧树脂发泡浆料、制备聚酰胺贴合料;
所述制备聚酰胺面层浆料,选取聚酰胺树脂88-92份、丁醇68-72份、三羟甲基丙烷7-9份,混合并搅拌均匀;所述聚酰胺树脂重均分子量为56000;
所述制备聚丙烯酸酯-环氧树脂浆料,选取聚丙烯酸酯78-82份、环氧树脂78-82份、丙酮117-123份、酯基季铵盐4-6份、热稳定剂7-9份,混合并搅拌均匀;所述酯基季铵盐为三乙醇胺型酯基季铵盐,固含量≥98%;游离胺≤1%;所述热稳定剂为羟基蛋氨酸钙;
所述制备聚丙烯酸酯-环氧树脂发泡浆料,选取聚丙烯酸酯78-82份、环氧树脂78-82份、丙酮117-123份、填充剂58-60份、发泡剂3.6-4.6份,混合并搅拌均匀;所述填充剂为碳酸钙粉;所述发泡剂为对甲苯磺酰肼;
所述制备聚酰胺贴合料:选取聚酰胺树脂88-92份,邻苯二甲酸二丙基庚酯68-72份,异丙基钛酸酯1.8-2.2份,混合并搅拌均匀;所述聚酰胺树脂,重均分子量为46000;
所述制备表面处理剂:选取聚酰胺树脂88-92份,丁酮73-77份,硅胶4.8-5.2份,中和剂0.9-1.1份,流平剂0.04-0.06份,混合并搅拌均匀;所述聚酰胺树脂,重均分子量为37000;所述中和剂为硫代硫酸钠;所述流平剂为聚醚聚酯改性有机硅氧烷;
所述制备含生物活性成分的改性溶液,将98-102份水加热到83-87℃,加入生物活性成分18-22份,搅拌至完全溶解制得含生物活性成分的改性溶液;
所述涂覆浆料,所述聚酰胺面层浆料:聚丙烯酸酯-环氧树脂浆料:聚丙烯酸酯-环氧树脂发泡浆料:聚酰胺贴合料质量比为(163-173):(284-302):(334-352):(158-166);
具体为:步骤①将制备的聚酰胺面层浆料均匀涂覆在离型纸上,烘干后得到聚酰胺面层;
步骤②将制备的聚丙烯酸酯-环氧树脂浆料均匀涂覆在聚酰胺面层上,烘干后得到聚丙烯酸酯-环氧树脂中间层;
步骤③将制备的聚丙烯酸酯-环氧树脂发泡浆料均匀涂覆在聚丙烯酸酯-环氧树脂中间层上,加热,发泡得到聚丙烯酸酯-环氧树脂发泡层;
步骤④将制备的聚酰胺贴合料均匀涂覆在聚丙烯酸酯-环氧树脂泡层上,再贴合基布,烘干;
所述步骤①,烘干温度为118-122℃;所述步骤②,烘干温度为147-153℃;所述步骤③,加热温度为178-182℃;所述步骤④,烘干温度为148-152℃;
所述涂覆表面处理剂,将制备的表面处理剂均匀涂覆在去除离型纸后的聚酰胺面层上,烘干,冷却成型,得到人造革半成品;所述表面处理剂与聚酰胺面层的质量比为(167-175):(163-173);所述烘干,温度为118-122℃;
所述涂覆含生物活性成分的改性溶液,将得到的人造革半成品在含生物活性成分的改性溶液中浸泡18-22min,加入生物活性成分改性助剂,搅拌均匀,再继续浸泡11-13min,取出后进行水洗、烘干得到大生物人造革成品;
所述含生物活性成分的改性溶液与表面处理剂的质量比为(116-124):(167-175);所述生物活性成分改性助剂与含生物活性成分的改性溶液的质量比为1:49-52;
所述生物活性成分改性助剂由聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐组成;所述聚异丁烯多丁二酰亚胺、十八烷基异氰酸酯、木质素磺酸盐的质量比为1:1:1。
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