CN114045702A - 一种可回收可降解取代pe纸张淋膜的高分子乳液 - Google Patents

一种可回收可降解取代pe纸张淋膜的高分子乳液 Download PDF

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CN114045702A
CN114045702A CN202111369405.9A CN202111369405A CN114045702A CN 114045702 A CN114045702 A CN 114045702A CN 202111369405 A CN202111369405 A CN 202111369405A CN 114045702 A CN114045702 A CN 114045702A
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CN114045702B (zh
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杜国旗
魏世辕
刘晋男
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Guangdong Kelide New Material Co ltd
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/35—Polyalkenes, e.g. polystyrene
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Abstract

本发明提供了一种可回收可降解取代PE纸张淋膜的高分子乳液，所述高分子乳液包括下列重量份的原料：水46.7‑58.3份、乳化剂1.5‑2.5份、丙烯酸酯25‑30份、聚有机酸乙烯酯15‑20份、聚硅氧烷0.2‑0.8份。现有PE淋膜透气性差，且由于PE是聚乙烯，常温下是固体，涂膜施工时需加热热熔后挤塑覆膜涂膜，造成施工繁琐，降解困难，并影响纸浆的再造。本发明的高分子乳液淋膜可降解，方便纸浆的再造和再利用，且透气性好，涂膜施工方便，原材料来源广泛，价格合适。

Description

一种可回收可降解取代PE纸张淋膜的高分子乳液
技术领域
本发明涉及一种丙烯酸酯乳液，特别是涉及一种可回收可降解取代PE纸张淋膜的高分子乳液。
背景技术
纸作为包装材料，多以纸杯、纸碗、包装纸形式存在，如汉堡包鸡肉卷包装纸、肯德基全家桶等，但为避免纸本身被油污所损坏，需要有纸表面铺设食品接触级纸张淋膜。传统纸张淋膜是PE聚乙烯材料，传防水防油性能好，热封性能能，缺点是施工工艺繁琐，需要用流延机将塑料粒子涂覆在纸张上。此外PE聚乙烯材料不可降解，回收也不可纸浆再造，对环境造成严重的污染，且PE淋膜透气性不好，影响食物口感，热封温度高，能源损耗大。而PLA淋膜虽可降解，但缺点是价格昂贵，成本压力大，所以在纸张涂层领域没有推广开。
发明内容
本发明提供了一种可回收可降解取代PE纸张淋膜的高分子乳液，在具有降解功能的同时，仍能具有良好的防水防油性能。
本发明提供了一种可回收可降解取代PE纸张淋膜的高分子乳液，所述高分子乳液包括下列重量份的原料：水46.7-58.3份、乳化剂1.5-2.5份、丙烯酸酯25-30份、聚有机酸乙烯酯15-20份、聚硅氧烷0.2-0.8份。
进一步地，所述乳化剂为烷基硫酸盐中的一种或多种。
更进一步地，所述烷基硫酸盐为K-12十二烷基硫酸钠。
进一步地，所述丙烯酸酯为丙烯酸酯乳液。
进一步地，所述聚有机酸乙烯酯为聚醋酸乙烯酯。
进一步地，所述聚硅氧烷为聚二甲基硅氧烷。
进一步地，所述高分子乳液制备方法如下：
将水、乳化剂、丙烯酸酯混合，并升温至60-90℃，缓慢加入聚有机酸乙烯酯，加入控制为40-80分钟，高速分散并保温40-80分钟，降温，过滤出料，得到高分子乳液。
更进一步地，所述降温至45℃以下。
现有PE淋膜透气性差，且由于PE是聚乙烯，常温下是固体，涂膜施工时需加热热熔后挤塑覆膜涂膜，造成施工繁琐，降解困难，并影响纸浆的再造。本发明的高分子乳液淋膜可降解，方便纸浆的再造和再利用，且透气性好，涂膜施工方便，原材料来源广泛，价格合适。
具体实施方式
为了使本技术领域的人员更好地理解本发明方案，下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。
本发明各实施例组份如下表所示：
物料 实施例1 实施例2 实施例3 实施例4
水 52.5 52.5 52.5 52.8
乳化剂K12 2 2 2 2
丙烯酸酯乳液 30 27 25 27
聚醋酸乙烯酯 15 18 20 18
聚二甲基硅氧烷 0.5 0.5 0.5 0.2
本发明各实施例的制备方法如下：
四口反应烧瓶里加入水，乳化剂，以及丙烯酸酯乳液，升温至80℃，然后缓慢加入聚醋酸乙烯酯，加入时长60分钟，高速分散，使得聚醋酸乙烯酯在高温溶解后被乳化剂乳化均匀分散在水中。聚醋酸乙烯酯加完后保温60分钟，降温至40℃过滤出料即得成品。
将本发明实施例1所得高分子乳液在纸张表面进行淋膜涂覆，并对所得高分子膜进行测试，结果如下：
应用性能 实施例1 实施例2 实施例3 实施例4
热封 轻微渗水 Ok Ok Ok
热封温度 70℃ 70℃ 80℃ 70℃
耐水 Ok Ok 轻微吸水 轻微吸水
耐油 Ok Ok Ok 轻微吸油
防粘连 Ok Ok Ok 轻微粘连
透气性 Ok Ok Ok Ok
本发明实施例2与实施例1相比，通过采用更多的聚醋酸乙烯酯，有效提高热封效果，降低渗水情况。而本发明实施例2与实施例3相比，通过采用更高含量的丙烯酸酯乳液，提高淋膜本身的耐水性。本发明实施例2与实施例4相比，通过采用更高含量的聚二甲基硅氧烷，可有效达到耐油防粘连的效果。
最后应当说明的是，以上实施例仅用以说明本发明的技术方案而非对其限制，尽管参照上述实施例对本发明进行了详细的说明，所属领域的普通技术人员应当理解，技术人员阅读本申请说明书后依然可以对本发明的具体实施方式进行修改或者等同替换，但这些修改或变更均未脱离本发明申请待批权利要求保护范围之内。

Claims (8)

1.一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述高分子乳液包括下列重量份的原料：水46.7-58.3份、乳化剂1.5-2.5份、丙烯酸酯25-30份、聚有机酸乙烯酯15-20份、聚硅氧烷0.2-0.8份。
2.根据权利要求1所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述乳化剂为烷基硫酸盐中的一种或多种。
3.根据权利要求2所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述烷基硫酸盐为K-12十二烷基硫酸钠。
4.根据权利要求1所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述丙烯酸酯为丙烯酸酯乳液。
5.根据权利要求1所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述聚有机酸乙烯酯为聚醋酸乙烯酯。
6.根据权利要求1所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述聚硅氧烷为聚二甲基硅氧烷。
7.根据权利要求1所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述高分子乳液制备方法如下：
将水、乳化剂、丙烯酸酯混合，并升温至60-90℃，缓慢加入聚有机酸乙烯酯，加入控制为40-80分钟，高速分散并保温40-80分钟，降温，过滤出料，得到高分子乳液。
8.根据权利要求7所述一种可回收可降解取代PE纸张淋膜的高分子乳液，其特征在于，所述降温至45℃以下。
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* Cited by examiner, † Cited by third party
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CN101457499A (zh) * 2007-12-14 2009-06-17 朱勇强 一种表面施胶剂及其制备方法
CN102899963A (zh) * 2012-10-18 2013-01-30 金红叶纸业集团有限公司 乳胶组合物及应用其的纸张
CN106835834A (zh) * 2017-01-14 2017-06-13 中山市博海精细化工有限公司 一种复合卡纸用水性丙烯酸涂料及其制备方法
US20180094165A1 (en) * 2016-09-30 2018-04-05 Repaper Inc. Paper coating material having environment-friendly, water-proof and oil-proof properties, and method of manufacturing the same
CN109912234A (zh) * 2019-03-01 2019-06-21 江西赣丰玻纤网有限公司 一种高性能玻纤涂层及其制备方法
CN112709092A (zh) * 2019-10-24 2021-04-27 夏振明 一种以纺织、工业、农业废渣制造的纸张和造纸方法
CN113214435A (zh) * 2021-05-25 2021-08-06 格润纳(中山)科技有限公司 一种无塑防水防油水性乳液及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101457499A (zh) * 2007-12-14 2009-06-17 朱勇强 一种表面施胶剂及其制备方法
CN102899963A (zh) * 2012-10-18 2013-01-30 金红叶纸业集团有限公司 乳胶组合物及应用其的纸张
US20180094165A1 (en) * 2016-09-30 2018-04-05 Repaper Inc. Paper coating material having environment-friendly, water-proof and oil-proof properties, and method of manufacturing the same
CN106835834A (zh) * 2017-01-14 2017-06-13 中山市博海精细化工有限公司 一种复合卡纸用水性丙烯酸涂料及其制备方法
CN109912234A (zh) * 2019-03-01 2019-06-21 江西赣丰玻纤网有限公司 一种高性能玻纤涂层及其制备方法
CN112709092A (zh) * 2019-10-24 2021-04-27 夏振明 一种以纺织、工业、农业废渣制造的纸张和造纸方法
CN113214435A (zh) * 2021-05-25 2021-08-06 格润纳(中山)科技有限公司 一种无塑防水防油水性乳液及其制备方法

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