CN114411449A - 一种耐高温高抗水防变形纸容器的制备方法 - Google Patents
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Abstract
本发明属于食品包装领域,尤其是一种耐高温高抗水防变形纸容器的制备方法,针对现有的纸容器不耐高温、防水性差、防油性差和易变形问题,现提出如下方案,准备原纸和改性材料,并采用以下步骤:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备,利用壳聚糖、微晶纤维素和乳糖醇提高了纸张的防油性,利用耐高温粉料可以提高纸容器的耐高温能力,避免纸张变脆,利用表面施胶液可以在纸容器的表面形成一层防水膜,增强纸容器的防水能力,使得纸容器具有耐高温、防水、防油的优点,同时采用双层结构,强度高,韧性好,耐冲击,稳定性强,制成的纸容器不容易变形。
Description
技术领域
本发明涉及食品包装技术领域,尤其涉及一种耐高温高抗水防变形纸容器的制备方法。
背景技术
由纸制成容器,特别是用于容纳食品饮料的纸容器在市场上非常广泛,例如西式快餐中的饮料杯、食品盒,奶茶店的杯子等,例如申请号为CN201710184412.9的专利公开了一种非木材类本色浆食品包装纸及其制备方法,具有安全环保,保持植物纤维的天然本色,无尘无屑,且抄造工艺中不产生有害物质,减少了废水处理的成本,生产成本低的优点。
但是该一种非木材类本色浆食品包装纸及其制备方法也存在不足,例如不耐高温,一旦盛放的食品温度过高便容易分解变脆,容易破损,而且容易被水打湿,只能盛放包装干燥的食品,同时食品中的油脂容易渗入材料,甚至油脂外溢,影响食品的卫生健康。
发明内容
基于背景技术存在不耐高温、防水性差、防油性差和易变形的问题,本发明提出了一种耐高温高抗水防变形纸容器的制备方法。
本发明提出的一种耐高温高抗水防变形纸容器的制备方法,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得40-60份的聚乳酸加热至50℃~80℃,加入2份~4份的壳聚糖、2份~3份的微晶纤维素和1份~2份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液;
S3:在一号配料斗中按2:3-1:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1-7:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品;
S5:按质量百份比取得30份~50份的PP、20份~50份的淀粉、20份~30份的食品级石蜡和1份~2份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
优选地,所述在S2中,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0。
优选地,所述在S2中,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时。
优选地,所述在S4中,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%。
优选地,所述在S4中,多层流浆箱中上层混合料和下层混合料的浓度分别为0.5%~0.8%和0.5%~0.6%,上下两层混合料的质量比为40%~65%:35%~60%。
优选地,所述在S4中,抄造时混合料速度和成形网速度比控制在0.90~1.00。
优选地,所述在S5中,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09。
优选地,所述在S6中,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6g/m2。
本发明的有益效果:
1、利用壳聚糖、微晶纤维素和乳糖醇的特殊性能,降低了材料孔径,增加材料的致密性,改善了材料均匀性能,提高了纸张容器的防油性,并且表面施胶液中含有PP和淀粉,增强防油效果;
2、在助剂溶液中的耐高温粉料可以提高纸容器的耐高温能力,避免纸张受热后发生分解反应,避免纸张变脆;
3、表面施胶液中的PP、食品级石蜡和食品级乳糖醇可以在纸容器的表面形成一层防水膜,防止水分渗入,增强纸容器的防水能力;
本发明具有耐高温、防水、防油的优点,同时采用双层结构,强度高,韧性好,耐冲击,稳定性强,制成的纸容器不容易变形。
附图说明
图1为本发明提出的工作流程图。
具体实施方式
下面结合具体实施例对本发明作进一步解说。
参照图1,实施例一
本实施例中提出了一种耐高温高抗水防变形纸容器的制备方法,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得56份的聚乳酸加热至50℃~80℃,加入4份的壳聚糖、3份的微晶纤维素和2份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时;
S3:在一号配料斗中按2:3:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%,多层流浆箱中上层混合料和下层混合料的浓度分别为0.7%和0.5%,上下两层混合料的质量比为45%:38%,抄造时混合料速度和成形网速度比控制在0.90~1.00;
S5:按质量百份比取得35份的PP、26份的淀粉、26份的食品级石蜡和2份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6 g/m2;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
参照图1,实施例二
本实施例中提出了一种耐高温高抗水防变形纸容器的制备方法,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得51份的聚乳酸加热至50℃~80℃,加入2份的壳聚糖、3份的微晶纤维素和1份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时;
S3:在一号配料斗中按2:3-1:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1-7:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%,多层流浆箱中上层混合料和下层混合料的浓度分别为0.5%~0.8%和0.5%~0.6%,上下两层混合料的质量比为40%~65%:35%~60%,抄造时混合料速度和成形网速度比控制在0.90~1.00;
S5:按质量百份比取得33份的PP、24份的淀粉、26份的食品级石蜡和1份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6 g/m2;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
参照图1,实施例三
本实施例中提出了一种耐高温高抗水防变形纸容器的制备方法,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得42份的聚乳酸加热至50℃~80℃,加入4份的壳聚糖、3份的微晶纤维素和2份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时;
S3:在一号配料斗中按2:3-1:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1-7:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%,多层流浆箱中上层混合料和下层混合料的浓度分别为0.5%~0.8%和0.5%~0.6%,上下两层混合料的质量比为40%~65%:35%~60%,抄造时混合料速度和成形网速度比控制在0.90~1.00;
S5:按质量百份比取得46份的PP、41份的淀粉、25份的食品级石蜡和1份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6 g/m2;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
参照图1,实施例四
本实施例中提出了一种耐高温高抗水防变形纸容器的制备方法,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得49份的聚乳酸加热至50℃~80℃,加入3份的壳聚糖、3份的微晶纤维素和2份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时;
S3:在一号配料斗中按2:3-1:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1-7:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%,多层流浆箱中上层混合料和下层混合料的浓度分别为0.5%~0.8%和0.5%~0.6%,上下两层混合料的质量比为40%~65%:35%~60%,抄造时混合料速度和成形网速度比控制在0.90~1.00;
S5:按质量百份比取得46份的PP、34份的淀粉、27份的食品级石蜡和2份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6 g/m2;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
参照图1,实施例五
本实施例中提出了一种耐高温高抗水防变形纸容器的制备方法,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得55份的聚乳酸加热至50℃~80℃,加入3份的壳聚糖、3份的微晶纤维素和2份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时;
S3:在一号配料斗中按2:3-1:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1-7:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%,多层流浆箱中上层混合料和下层混合料的浓度分别为0.5%~0.8%和0.5%~0.6%,上下两层混合料的质量比为40%~65%:35%~60%,抄造时混合料速度和成形网速度比控制在0.90~1.00;
S5:按质量百份比取得48份的PP、47份的淀粉、23份的食品级石蜡和1份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6 g/m2;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
对比常规的纸容器与实施例一至五制得的纸容器,实施例一至五制得的纸容器如下表:
由上述表格可知,本发明提出的纸容器的耐高温、防油、防水、防变形具有明显提高,且实施三为最佳实施例。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (8)
1.一种耐高温高抗水防变形纸容器的制备方法,其特征在于,准备原纸和改性材料,并采用以下步骤:
S1:准备一号配料斗、一号成料斗、二号配料斗、二号成料斗、多层流浆箱和施胶设备;
S2:按质量百份比取得40-60份的聚乳酸加热至50℃~80℃,加入2份~4份的壳聚糖、2份~3份的微晶纤维素和1份~2份的焦磷酸钠分散剂,并使用超声设备处理后搅拌,制得助剂溶液;
S3:在一号配料斗中按2:3-1:1加入助剂溶液和聚酰胺聚胺表氯醇树脂,混合均匀后导入一号成料斗,同时向二号配料斗中按1:1:1-7:5:6加入助剂溶液、食品级石蜡和聚酰胺聚胺表氯醇树脂,混合均匀后导入二号成料斗;
S4:先后对一号成料斗和二号成料斗的混合料进行调浓、除渣处理,分别加入阳离子聚丙烯酰胺,然后一号成料斗的混合料导入多层流浆箱的下层,二号成料斗的混合料导入多层流浆箱的上层,原纸放在多层流浆箱的中层,经过抄造工序,下层和上层的混合料分别贴附在中层原纸的两面,烘干得到半成品;
S5:按质量百份比取得30份~50份的PP、20份~50份的淀粉、20份~30份的食品级石蜡和1份~2份的食品级乳糖醇,加入搅拌设备,加热至30℃~50℃,使用超声处理后搅拌,制得表面施胶液;
S6:将经过烘干的半成品导入施胶设备进行浸泡,并使施胶液的液面完全浸没半成品纸页,然后经过施胶辊的均匀挤压,经过烘干制得容器纸张;
S7:按照纸容器的形状对容器纸张进行模切、压痕、折叠和粘合,从而得到耐高温高抗水防变形纸容器。
2.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S2中,先将聚乳酸加热前配置成5%~10%的水溶液,然后将聚乳酸溶液加热至50℃~80℃,接着调节溶液的pH至5.0~8.0。
3.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S2中,超声设备的超声频率控制在50~100kHz,超声时间控制十分钟,搅拌速度控制在1万~2万rpm,搅拌时间控制在半个小时。
4.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S4中,阳离子聚丙烯酰胺的添加位置为压力筛进浆口,阳离子聚丙烯酰胺的用量为0.01%~0.03%。
5.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S4中,多层流浆箱中上层混合料和下层混合料的浓度分别为0.5%~0.8%和0.5%~0.6%,上下两层混合料的质量比为40%~65%:35%~60%。
6.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S4中,抄造时混合料速度和成形网速度比控制在0.90~1.00。
7.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S5中,PP取代度DS为0.5~0.8,淀粉取代度DS为0.05~0.09。
8.根据权利要求1所述的一种耐高温高抗水防变形纸容器的制备方法,其特征在于,所述在S6中,施胶时,表面施胶液的浓度控制在2%~7%,涂胶量为4~6 g/m2。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011032617A (ja) * | 2009-08-05 | 2011-02-17 | Hokuetsu Kishu Paper Co Ltd | 多層抄き耐油板紙及びその製造方法並びにそれを用いた耐油性紙製容器 |
KR20160000996A (ko) * | 2014-06-26 | 2016-01-06 | 조인석 | 골판지가 적용된 다겹 종이용기의 제조방법 및 골판지가 적용된 다겹 종이용기 |
CN106400603A (zh) * | 2016-10-21 | 2017-02-15 | 陕西科技大学 | 一种防油食品包装纸的制备方法 |
CN108676100A (zh) * | 2018-08-09 | 2018-10-19 | 安徽顺鑫盛源生物食品有限公司 | 一种纸张用淀粉施胶剂及其制备方法 |
CN112176766A (zh) * | 2020-09-30 | 2021-01-05 | 京准化工技术(上海)有限公司 | 一种无氟环保的防油提升剂及其制备方法 |
-
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- 2022-01-24 CN CN202210081001.8A patent/CN114411449A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011032617A (ja) * | 2009-08-05 | 2011-02-17 | Hokuetsu Kishu Paper Co Ltd | 多層抄き耐油板紙及びその製造方法並びにそれを用いた耐油性紙製容器 |
KR20160000996A (ko) * | 2014-06-26 | 2016-01-06 | 조인석 | 골판지가 적용된 다겹 종이용기의 제조방법 및 골판지가 적용된 다겹 종이용기 |
CN106400603A (zh) * | 2016-10-21 | 2017-02-15 | 陕西科技大学 | 一种防油食品包装纸的制备方法 |
CN108676100A (zh) * | 2018-08-09 | 2018-10-19 | 安徽顺鑫盛源生物食品有限公司 | 一种纸张用淀粉施胶剂及其制备方法 |
CN112176766A (zh) * | 2020-09-30 | 2021-01-05 | 京准化工技术(上海)有限公司 | 一种无氟环保的防油提升剂及其制备方法 |
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