CN110239179A - 一种防水雾聚乙烯膜、复合膜及制备方法 - Google Patents
一种防水雾聚乙烯膜、复合膜及制备方法 Download PDFInfo
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Abstract
本发明涉及一种防水雾聚乙烯膜、复合膜及制备方法,属于薄膜材料的技术领域,聚乙烯膜包括依次层设的热封层、中间层与电晕层;所述热封层的配料组分包括第一茂金属聚乙烯、爽滑剂与开口剂;所述中间层的配料组分包括第二茂金属聚乙烯、高密度聚乙烯与线型低密度聚乙烯;所述电晕层的配料组分包括低密度聚乙烯与加工助剂。复合膜由防水雾聚乙烯膜与BOPP印刷膜采用干法复合工艺制得。本发明的防水雾聚乙烯膜组分在增强PE挺度及拉伸强度的前提下,又可以防止膜层间水雾的产生。相较于现有薄膜,剥离强度由普通BOPP/PE复合膜的0.6N/15mm提升到1.5N/15mm。复合膜的膜层间无水汽,包装不会发生跳动停机,包装速率提升30%。
Description
技术领域
本发明涉及薄膜材料的技术领域,具体是涉及一种防水雾聚乙烯膜、复合膜及制备方法。
背景技术
随着包装材料、包装技术、行业需求、消费者需求的不断提升,现有存在一些塑料软包装在加工、生产以及使用上问题,不能更好满足需求。聚乙烯复合包装膜的面层间常会出现水雾,增加聚乙烯的挺度及拉伸性能,均不能消除水雾,而且还会造成加工生产困难,使得包装机走机不顺畅、效率低下等问题。
发明内容
为了解决聚乙烯复合膜的面层间出现水雾的技术问题,本发明提供一种防水雾聚乙烯膜、复合膜及制备方法。
为了实现本发明的目的,本发明采用了以下技术方案:
本发明的目的一是提供:一种防水雾聚乙烯膜,包括依次层设的热封层、中间层与电晕层;所述热封层的配料组分包括第一茂金属聚乙烯、爽滑剂与开口剂;所述中间层的配料组分包括第二茂金属聚乙烯、高密度聚乙烯与线型低密度聚乙烯;所述电晕层的配料组分包括低密度聚乙烯与加工助剂。
作为优选的,所述热封层、中间层与电晕层的厚度比为8:13:9。
作为优选的,所述第一茂金属聚乙烯、爽滑剂与开口剂的质量比为(95-97):(1.5-2):(1.5-2);所述第二茂金属聚乙烯、高密度聚乙烯与线型低密度聚乙烯的质量比为(48-53):(22-26):(23-27);所述加工助剂质量占电晕层组分总质量的0.35%-0.43%;所述低密度聚乙烯包括占电晕层组分总质量65%-68%的线性低密度聚乙烯。
作为优选的,所述第一茂金属聚乙烯为C8茂金属聚乙烯;所述爽滑剂为硅酮爽滑剂;所述开口剂为球形氧化硅开口剂。
作为优选的,所述C8茂金属聚乙烯的牌号为三井SP2020;所述硅酮爽滑剂的牌号为道康宁MBSI-002P;所述球形氧化硅开口剂的牌号为亚伦PEAB-107BS;所述第二茂金属聚乙烯的牌号为埃克森2010MA;所述高密度聚乙烯的牌号为埃克森HF3355F;所述线型低密度聚乙烯的牌号为扬子石化7042;所述加工助剂的牌号为亚伦DS-A1058LD;所述低密度聚乙烯为扬子石化7042和扬巴2420H的复配。
本发明的目的二是提供:含防水雾聚乙烯膜的复合膜,由防水雾聚乙烯膜与BOPP印刷膜采用干法复合工艺制得。
作为优选的,所述BOPP印刷膜为单面印刷的BOPP;所述防水雾聚乙烯膜与BOPP印刷膜的印刷面之间通过粘结剂粘合;所述粘结剂固化形成粘结层。
本发明的目的三是提供:复合膜的制备方法,包括以下步骤:
S1、根据配比准备热封层、中间层与电晕层的配料,采用三层共挤吹膜工艺制备防水雾聚乙烯膜;
将BOPP膜通过凸版印刷进行印刷制得BOPP印刷膜;
S2、于防水雾聚乙烯膜顶部涂覆粘结剂后与BOPP印刷膜的印刷面贴合,再于45℃温度条件下进行熟化处理,制得复合膜。
作为优选的,所述三层共挤吹膜工艺的步骤为:将热封层、中间层与电晕层各层粒料分别加入到三层共挤吹塑机的各对应料筒中熔融,再经吹膜;近吹膜模头一侧的所述热封层的料筒温度为200-210℃;所述吹膜的模头温度为195℃。
作为优选的,所述粘结剂的牌号为高盟YH2050,YH2050为双组分胶水;涂覆粘结剂后的所述防水雾聚乙烯膜与BOPP印刷膜的贴合压力为0.15±0.05MPa。
本发明的有益效果在于:本发明的防水雾聚乙烯膜组分在增强PE挺度及拉伸强度的前提下,又可以防止膜层间水雾的产生。
1、本发明通过形成哑光麻面效果,从根本上解决出现膜层间的水雾问题。热封层选择C8茂金属聚乙烯SP2020树脂,其热封性能相比其他同类可热封树脂40μm单层PE纯膜提升了2N/15mm,并且在200-210℃的加工温度下,经过挤出、拉伸、吹冷后膜面形成麻面效果;同时加入球形开口剂PEAB-107BS,填充了整个膜面麻面孔洞;加入不迁移的硅酮爽滑剂MBSI-002P,可持久稳定麻面效果,利于卷膜层间的水汽排出,防止水雾的形成。PEAB-107BS的球形氧化硅开口母粒,可降低膜的表面摩擦系数,使薄膜具有良好的开口性能。硅酮爽滑剂MBSI-002P能稳定的降低表面摩擦系数,使走膜更为流畅。
中间层加入高强度的埃克森2010MA,薄膜的拉伸强度提升12%,为后续复合过程减小薄膜拉伸形变程度;另加入了埃克森HF3355F,该粒子密度高,具有优异的尺寸稳定性,抗冲击性和挺度。埃克森2010MA、埃克森HF3355F与扬子7042三种树脂按比例混合,由于熔指差、密度差的原理,结晶速率适中,经过共挤剪切,主链与支链的缠绕堆积原理,使其三者均匀分散,分子重新排列,最大程度增强薄膜物理机械性能,尤其是增强了拉伸强度。
电晕层使用扬子石化7042和线性聚乙烯2420H,两者混挤,加工性能好,膜面外观好、雾度低,以及易电晕,电晕值保持时间长,增强与BOPP的复合强度。加工助剂亚伦DS-A1058LD可以改善熔融树脂的流动性,使成膜后光滑透明。
2、本发明制得薄膜相较于现有普通BOPP/PE复合膜,热封强度和热粘强度有了很大程度的提升:剥离强度由现有普通BOPP/PE复合膜的0.6N/15mm提升到1.5N/15mm;热封强度TD从现有普通BOPP/PE复合膜的17N/15mm提升到21N/15mm,MD从现有普通BOPP/PE复合膜的20N/15mm提升到25N/15mm;热粘强度TD从现有普通BOPP/PE复合膜的7N/25.4mm提升到9.5N/25.4mm;MD从现有普通BOPP/PE复合膜的8N/25.4mm提升到11N/25.4mm。另外,因现有薄膜之间存在水汽,包装时容易跳卷,本发明制得复合膜的膜层间不存在水汽,包装不会发生跳动停机,使得包装速率提升30%,提高了产值也节省了人力。
3、防水雾聚乙烯膜的制备过程中,SP2020加工温度设定在200-210℃,经过挤出、拉伸、吹冷形成麻面效果。热封层加工温度控制在200℃-210℃,可保证热封面麻面效果。宽度为1060mm,厚度差在±1μm。采用特有的过滤器过滤,滤网20/20/150/20目,网孔大小约为80μm,能消除经过过滤后三层共挤形成的防水雾聚乙烯膜的晶点。采用表面中心的低压收卷,可有效避免膜卷收卷张力过大导致起皱、助剂析出、膜黏连等问题。本发明的中间层粒料组分配方中高比例的HDPE埃克森HF3355F,在生产过程中泡型的调整相当重要,外冷风的控制要尽可能小,减少膜泡的冷却效果;本发明制备过程中的挤出量为520±50kg/h,其挤出量控制适中,薄膜平整、无晶块、条纹、模口线、厚度均匀。过高的挤出量会影响冷却效果,引起薄膜起皱,但同时也会增加晶点和塑化不良点出现的概率,过低的挤出量对于泡型的调整非常不利,对薄膜的厚膜均匀度也不利。
4、印刷过程选择金田生产的BOPP用于印刷工艺,其BOPP拉伸性能最优,COF稳定在0.5-0.6,与油墨的附着强度从普通BOPP的0.8N/15mm提升至1.3N/15mm,可提升复合薄膜的强度。
5、复合工艺:此复合膜复合采用干法复合工艺,干复工艺具有优异的胶水流平性和高剥离强度。粘结剂使用高盟YH2050双组分胶水,YH2050具有优异的流平性、粘结性、固化速率快且45℃熟化温度低,粘结剂与防水雾聚乙烯膜的亲和性好。其中将固化剂多加10%,增强了复合强度;同时利用KURABO上胶量监测系统保证胶水的上胶量的均一稳定,从而提升复合膜的粘结强度和厚薄稳定性。粘结剂的选用和复合工艺的选择为复合膜提供稳定的厚薄均匀度和优异的剥离强度和热封强度,最重要的是粘结剂的固化快、熟化冷却温度低,整个过程与环境的水汽进行传递程度低,可以有效的防止水雾的形成,也进一步防止了水雾的产生。本发明的复合膜制备过程中放张力控制、贴合压力、贴合温度的设定,这样复合膜形变程度明显降低,防止水雾出现。收卷张力采用N11线行锥度递减方式。根据力矩平衡的原理,随着膜卷的直径不断增加,按照“反比”方式递减收卷的张力;按照设定的锥度数值,成“线形”递减。这样可以辅助保持复合膜的平整性和厚薄稳定性。
具体实施方式
以下结合具体实施方式对本发明技术方案作进一步详细描述。
实施例复合膜各层对应的原料如下表1所示:
表1配料表
实施例1
步骤一、配制各层粒料:
电晕层:1)、5Kg扬子石化7042与0.3KgDS-A1058LD均匀混合制得混合粒料A3;
2)、按质量百分数将59.8wt%扬子石化7042、33.3wt%扬巴2420H与6.9wt%混合粒料A3混合均匀后加入电晕层料筒内。
中间层:按质量百分数将50wt%埃克森2010MA、25wt%扬子石化7042与25wt%HF3355F混合均匀后加入中间层料筒内。
热封层:1)、2Kg道康宁MBSI-002P与2kg亚伦PEAB-107BS均匀混合制得混合粒料C2;
2)、按质量百分数将96.2wt%三井SP2020与余量的混合粒料C2混合均匀后加入热封层料筒内。
粘结剂的配制:在将要用粘合的薄膜准备就绪后,按质量份数将YH2050A、YH2050B与乙酯按10:2.2:10的比例配制成YH2050粘结剂。YH2050A、YH2050B的固化比例为5:1,固化剂YH2050B多加10%。
步骤二、S1、制备防水雾聚乙烯膜:控制电晕层料筒、中间层料筒与热封层料筒的机筒温度分别为185-200℃、185-190℃与195-210℃;近模头一侧的热封层料筒的机筒温度控制在210℃。
将各种粒料熔融后,控制模头温度为195℃进行吹膜,经过挤出、拉伸、吹冷后膜面形成麻面效果的防水雾聚乙烯膜。热封层厚度为8μm;中间层厚度为13μm;电晕层的厚度为9μm。
将BOPP膜通过凸版印刷进行印刷制得BOPP印刷膜;
S2、于防水雾聚乙烯膜顶部涂覆YH2050粘结剂后与BOPP印刷膜的印刷面贴合,再于45℃温度条件下进行熟化处理,制得复合膜。
实施例2
步骤一、配制各层粒料:
电晕层:1)、5Kg扬子石化7042与0.3KgDS-A1058LD均匀混合制得混合粒料A3;
2)、按质量百分数将59wt%扬子石化7042、34.82wt%扬巴2420H与6.18wt%混合粒料A3混合均匀后加入电晕层料筒内。
中间层:按质量百分数将48wt%埃克森2010MA、26wt%扬子石化7042与26wt%HF3355F混合均匀后加入中间层料筒内。
热封层:1)、2Kg道康宁MBSI-002P与2kg亚伦PEAB-107BS均匀混合制得混合粒料C2;
2)、按质量百分数将97wt%三井SP2020与余量的混合粒料C2混合均匀后加入热封层料筒内。
粘结剂的配制:在将要用粘合的薄膜准备就绪后,按质量份数将YH2050A、YH2050B与乙酯按10:2.2:10的比例配制成YH2050粘结剂。YH2050A、YH2050B的固化例为5:1。
步骤二、S1、制备防水雾聚乙烯膜:控制电晕层料筒、中间层料筒与热封层料筒的机筒温度分别为180-200℃、185-190℃与195-210℃;近模头一侧的热封层料筒的机筒温度控制在210℃。
将各种粒料熔融后,控制模头温度为195℃进行吹膜,经过挤出、拉伸、吹冷后膜面形成麻面效果的防水雾聚乙烯膜。热封层厚度为8μm;中间层厚度为13μm;电晕层的厚度为9μm。
将BOPP膜通过凸版印刷进行印刷制得BOPP印刷膜;
S2、于防水雾聚乙烯膜顶部涂覆YH2050粘结剂后与BOPP印刷膜的印刷面贴合,再于45℃温度条件下进行熟化处理,制得复合膜。
实施例3
步骤一、配制各层粒料:
电晕层:1)、5Kg扬子石化7042与0.3KgDS-A1058LD均匀混合制得混合粒料A3;
2)、按质量百分数将60.4wt%扬子石化7042、32wt%扬巴2420H与7.6wt%混合粒料A3混合均匀后加入电晕层料筒内。
中间层:按质量百分数将53wt%埃克森2010MA、23wt%扬子石化7042与24wt%HF3355F混合均匀后加入中间层料筒内。
热封层:1)、2Kg道康宁MBSI-002P与2kg亚伦PEAB-107BS均匀混合制得混合粒料C2;
2)、按质量百分数将95wt%三井SP2020与余量的混合粒料C2混合均匀后加入热封层料筒内。
粘结剂的配制:在将要用粘合的薄膜准备就绪后,按质量份数将YH2050A、YH2050B与乙酯按10:2.2:10的比例配制成YH2050粘结剂。YH2050A、YH2050B的固化例为5:1。
步骤二、S1、制备防水雾聚乙烯膜:控制电晕层料筒、中间层料筒与热封层料筒的机筒温度分别为180-200℃、185-190℃与195-210℃;近模头一侧的热封层料筒的机筒温度控制在210℃。
将各种粒料熔融后,控制模头温度为195℃进行吹膜,经过挤出、拉伸、吹冷后膜面形成麻面效果的防水雾聚乙烯膜。热封层厚度为8μm;中间层厚度为13μm;电晕层的厚度为9μm。
将BOPP膜通过凸版印刷进行印刷制得BOPP印刷膜;
S2、于防水雾聚乙烯膜顶部涂覆YH2050粘结剂后与BOPP印刷膜的印刷面贴合,再于45℃温度条件下进行熟化处理,制得复合膜。
对比例
普通BOPP/PE膜制备方法:
步骤一、配制各层粒料:
电晕层:1)、5Kg扬子石化7042与0.3KgDS-A1058LD均匀混合制得混合粒料A3;
2)、按质量百分数将59.8wt%扬子石化7042、33.3wt%扬巴2420H与6.9wt%混合粒料A3混合均匀后加入电晕层料筒内。
中间层:按质量百分数将25wt%埃克森2420H和75wt%扬子石化7042F混合均匀后加入中间层料筒内。
热封层:1)按质量百分数将33.3wt%燕山100AC、33.3wt%沙比克8102L和中石化33.4wt%1802均匀后加入热封层料筒内;
2)、2Kg安配色10091-K与1.3kg亚伦AB20LD均匀混合制得混合粒料C2;
粘结剂的配制:在将要用粘合的薄膜准备就绪后,按质量份数将汉高双组份主剂和固化剂7758:6028混合,固化比例为100:60。
步骤二、S1、制备普通聚乙烯膜:控制电晕层料筒、中间层料筒与热封层料筒的机筒温度分别为185-200℃、185-190℃与185-195℃;
将各种粒料熔融后,控制模头温度为195℃进行吹膜,经过挤出、拉伸、吹冷后膜面形成聚乙烯膜。热封层厚度为7μm;中间层厚度为14μm;电晕层的厚度为9μm。
将BOPP膜通过凸版印刷进行印刷制得BOPP印刷膜;
S2、于BOPP印刷膜顶部涂覆7758胶黏剂后与BOPP印刷膜的印刷面贴合,再于50℃温度条件下进行熟化处理,制得复合膜。
对实施例1与对比例制得的BOPP/PE膜进行性能测试,测得结果如下表2所示:
表2实施例1与对比例测试结果
由上表2可知,剥离强度由现有普通BOPP/PE复合膜的0.6N/15mm提升到1.5N/15mm;热封强度TD从现有普通BOPP/PE复合膜的17N/15mm提升到21N/15mm,MD从现有普通BOPP/PE复合膜的20N/15mm提升到25N/15mm;热粘强度TD从现有普通BOPP/PE复合膜的7N/25.4mm提升到9.5N/25.4mm;MD从现有普通BOPP/PE复合膜的8N/25.4mm提升到11N/25.4mm。
以上实施方式仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施方式对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施方式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;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施方式技术方案的精神和范围。
Claims (10)
1.一种防水雾聚乙烯膜,其特征在于:包括依次层设的热封层、中间层与电晕层;所述热封层的配料组分包括第一茂金属聚乙烯、爽滑剂与开口剂;所述中间层的配料组分包括第二茂金属聚乙烯、高密度聚乙烯与线型低密度聚乙烯;所述电晕层的配料组分包括低密度聚乙烯与加工助剂。
2.根据权利要求1所述防水雾聚乙烯膜,其特征在于:所述热封层、中间层与电晕层的厚度比为8:13:9。
3.根据权利要求1所述防水雾聚乙烯膜,其特征在于:所述第一茂金属聚乙烯、爽滑剂与开口剂的质量比为(95-97):(1.5-2):(1.5-2);所述第二茂金属聚乙烯、高密度聚乙烯与线型低密度聚乙烯的质量比为(48-53):(22-26):(23-27);所述加工助剂质量占电晕层组分总质量的0.35%-0.43%;所述低密度聚乙烯包括占电晕层组分总质量65%-68%的线性低密度聚乙烯。
4.根据权利要求1所述防水雾聚乙烯膜,其特征在于:所述第一茂金属聚乙烯为C8茂金属聚乙烯;所述爽滑剂为硅酮爽滑剂;所述开口剂为球形氧化硅开口剂。
5.根据权利要求4所述防水雾聚乙烯膜,其特征在于:所述C8茂金属聚乙烯的牌号为三井SP2020;所述硅酮爽滑剂的牌号为道康宁MBSI-002P;所述球形氧化硅开口剂的牌号为亚伦PEAB-107BS;所述第二茂金属聚乙烯的牌号为埃克森2010MA;所述高密度聚乙烯的牌号为埃克森HF3355F;所述线型低密度聚乙烯的牌号为扬子石化7042;所述加工助剂的牌号为亚伦DS-A1058LD;所述低密度聚乙烯为扬子石化7042和扬巴2420H的复配。
6.如权利要求1-5任一项所述防水雾聚乙烯膜的复合膜,其特征在于:由防水雾聚乙烯膜与BOPP印刷膜采用干法复合工艺制得。
7.根据权利要求6所述复合膜,其特征在于:所述BOPP印刷膜为单面印刷的BOPP;所述防水雾聚乙烯膜与BOPP印刷膜的印刷面之间通过粘结剂粘合;所述粘结剂固化形成粘结层。
8.制备如权利要求7所述复合膜的方法,其特征在于,包括以下步骤:
S1、根据配比准备热封层、中间层与电晕层的配料,采用三层共挤吹膜工艺制备防水雾聚乙烯膜;
将BOPP膜通过凸版印刷进行印刷制得BOPP印刷膜;
S2、于防水雾聚乙烯膜顶部涂覆粘结剂后与BOPP印刷膜的印刷面贴合,再进行熟化处理后制得复合膜。
9.根据权利要求8所述复合膜的制备方法,其特征在于,所述三层共挤吹膜工艺的步骤为:将热封层、中间层与电晕层各层粒料分别加入到三层共挤吹塑机的各对应料筒中熔融,再经吹膜;近吹膜模头一侧的所述热封层的料筒温度为200-210℃;所述吹膜的模头温度为195℃。
10.根据权利要求8所述复合膜的制备方法,其特征在于:所述粘结剂的牌号为高盟YH2050;涂覆粘结剂后的所述防水雾聚乙烯膜与BOPP印刷膜的贴合压力为0.15±0.05MPa。
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CN110509646A (zh) * | 2019-09-19 | 2019-11-29 | 四川厚诚新材料有限公司 | 一种高抗刺穿流延聚乙烯膜及其制备方法 |
CN111409343A (zh) * | 2020-03-27 | 2020-07-14 | 上海紫江彩印包装有限公司 | 一种聚烯烃膜、包含其的全塑复合膜及其制备方法和应用 |
CN111873360A (zh) * | 2020-06-04 | 2020-11-03 | 深圳市丰兆新材料股份有限公司 | 一种pe薄膜防气泡成形工艺 |
CN113306255A (zh) * | 2021-06-11 | 2021-08-27 | 山东泰宝信息科技集团有限公司 | 图像比对物理发泡垫片及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103770422A (zh) * | 2014-01-23 | 2014-05-07 | 黄山永新股份有限公司 | 高挺度耐穿刺低摩擦系数复合膜及其制备方法 |
CN104924712A (zh) * | 2015-07-16 | 2015-09-23 | 黄山永新股份有限公司 | 一种自立袋及其复合薄膜 |
CN105922690A (zh) * | 2016-05-05 | 2016-09-07 | 永新股份(黄山)包装有限公司 | 一种耐渗透性复合膜 |
CN105965999A (zh) * | 2016-05-05 | 2016-09-28 | 永新股份(黄山)包装有限公司 | 一种奶粉包装用复合膜 |
US20170000690A1 (en) * | 2011-06-10 | 2017-01-05 | Advanced Films, Llc | System and Method for Manufacturing an Improved Film for Medical Supply Packaging |
-
2019
- 2019-06-21 CN CN201910540527.6A patent/CN110239179A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170000690A1 (en) * | 2011-06-10 | 2017-01-05 | Advanced Films, Llc | System and Method for Manufacturing an Improved Film for Medical Supply Packaging |
CN103770422A (zh) * | 2014-01-23 | 2014-05-07 | 黄山永新股份有限公司 | 高挺度耐穿刺低摩擦系数复合膜及其制备方法 |
CN104924712A (zh) * | 2015-07-16 | 2015-09-23 | 黄山永新股份有限公司 | 一种自立袋及其复合薄膜 |
CN105922690A (zh) * | 2016-05-05 | 2016-09-07 | 永新股份(黄山)包装有限公司 | 一种耐渗透性复合膜 |
CN105965999A (zh) * | 2016-05-05 | 2016-09-28 | 永新股份(黄山)包装有限公司 | 一种奶粉包装用复合膜 |
Non-Patent Citations (3)
Title |
---|
严美芳主编: "《印刷包装材料》", 31 October 2017, 文化发展出版社 * |
化学工业出版社组织编写: "《中国化工产品大全 上》", 31 July 1994, 化学工业出版社 * |
王文广主编: "《十三五"普通高等教育本科规划教材 聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110509646A (zh) * | 2019-09-19 | 2019-11-29 | 四川厚诚新材料有限公司 | 一种高抗刺穿流延聚乙烯膜及其制备方法 |
CN111409343A (zh) * | 2020-03-27 | 2020-07-14 | 上海紫江彩印包装有限公司 | 一种聚烯烃膜、包含其的全塑复合膜及其制备方法和应用 |
CN111409343B (zh) * | 2020-03-27 | 2022-02-22 | 上海紫江彩印包装有限公司 | 一种聚烯烃膜、包含其的全塑复合膜及其制备方法和应用 |
CN111873360A (zh) * | 2020-06-04 | 2020-11-03 | 深圳市丰兆新材料股份有限公司 | 一种pe薄膜防气泡成形工艺 |
CN113306255A (zh) * | 2021-06-11 | 2021-08-27 | 山东泰宝信息科技集团有限公司 | 图像比对物理发泡垫片及其制备方法 |
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