CN108570878A - 一种微胶囊粒子型表面施胶剂的制备工艺及应用技术 - Google Patents

一种微胶囊粒子型表面施胶剂的制备工艺及应用技术 Download PDF

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CN108570878A
CN108570878A CN201810328158.XA CN201810328158A CN108570878A CN 108570878 A CN108570878 A CN 108570878A CN 201810328158 A CN201810328158 A CN 201810328158A CN 108570878 A CN108570878 A CN 108570878A
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田芝霞
张茂涛
殷宪超
李前
杨秀荣
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YUANTONG PAPER (SHANDONG) CO Ltd
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YUANTONG PAPER (SHANDONG) CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H21/16—Sizing or water-repelling agents
    • 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
    • D21H21/50—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 form
    • D21H21/52—Additives of definite length or shape
    • D21H21/54—Additives of definite length or shape being spherical, e.g. microcapsules, beads

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)

Abstract

本发明公开了一种耐水性强、成本较低且环保的一种微胶囊粒子型表面施胶剂的制备工艺及应用技术。本技术方案中的表面施胶剂是100％的树脂成分，不含淀粉，施胶效果好，不回湿。此表面施胶剂在制备的全过程中均是无皂聚合，无污染，且不含乳化剂。微胶囊粒子结构，与传统的聚合或是杂聚比较，它能更好更规则地分布或排列在灰底涂布白纸板原纸的表面上，学稳定性。

Description

一种微胶囊粒子型表面施胶剂的制备工艺及应用技术
技术领域：
本发明具体涉及一种微胶囊粒子型表面施胶剂的制备工艺及应用技术，属包装行业造纸化学品技术领域。
背景技术：
目前市场上表面施胶剂种类繁多，作用和目的也各不相同，有些表面施胶剂是用来提高纸或纸板强度，有些表面施胶剂是用来改善印刷性能……但灰底涂布白板纸的表面施胶剂的作用和目的则主要是用来抗拒液体的扩散和渗透能力，其次是增强白板纸强度。而具备这类条件的表面施胶剂有两大类：1)天然产品如淀粉、PVA、CMC等，2)合成产品如苯乙烯-马来酸酐共聚物、苯乙烯-丙烯酸共聚物、AKD聚合物、聚氨脂分散液等。这些物质无论用哪一种，它们的加工工艺及聚合物质分子量都直接影响着后续涂料施涂在灰底涂布白板纸上的质量。
其次天然表面施胶剂虽然成本低，来源广，但其具有浸水性、对抗拒液体的表面扩散和渗透能力有一定的局限性。而合成产品却各有优劣如苯乙烯-马来酸酐及苯乙烯-丙烯酸共聚物则大多是阴离子型物质，不能在低PH值下运行，往往要借助某些阳离子物质，这类产品在使用过程中还会出现大量泡沫。而聚氨脂类表面施胶剂虽然具有较高的抗水性但其成本较高，也限制了它的应用。
发明内容：
有鉴于此，为了解决灰底涂布白板纸表面施胶存在的问题，本发明提供了一种耐水性强、成本较低且环保的一种微胶囊粒子型表面施胶剂的制备工艺及应用技术。
为实现上述目的，本发明采用的技术方案为：
一种微胶囊粒子型表面施胶剂的制备工艺，包括以下步骤：
1、取苯乙烯、丙烯酸以6∶4的比例采用无皂聚合工艺制得晶体——苯乙烯-丙烯酸酯的共聚物；
2、将步骤1所得苯乙烯-丙烯酸酯的共聚物粉碎成微小颗粒；
3、将制得的较硬的苯乙烯-丙烯酸酯的共聚物的微小颗粒为芯，采用微胶囊粒子合成工艺包覆在微小而密封且较柔软的外囊中；
4、向步骤3中滴加苯乙烯和特种丙烯酸酯做包埋处理，芯和囊完成包埋后，再进行单体抽提处理得产品——微胶囊粒子表面施胶剂。
所得微胶囊粒子表面施胶剂在灰底涂布白板纸原纸表面中的应用技术：
a、将所得的微胶囊粒子表面施胶剂与表面施胶淀粉按5-8∶1的重量比进行混合均匀，通过浸泡式施胶机施涂在灰底涂布白板纸的表面上；
b、将施涂后的灰底涂布白板纸的原纸通过干燥箱烘干；
c、将烘干后的灰底涂布白板纸进入涂布机接受涂料的施涂。
本发明的有益效果为：
本技术方案中的表面施胶剂是100％的树脂成分，不含淀粉，施胶效果好，不回湿。此表面施胶剂在制备的全过程中均是无皂聚合，无污染，且不合乳化剂。微胶囊粒子结构，与传统的聚合或是杂聚比较，它能更好更规则地分布或排列在灰底涂布白纸板原纸的表面上，学稳定性。
具体实施方式：
为进一步阐明本方案，下面结合具体实施例来描述本发明的优选实施方案，这些描述只是为了进一步说明本发明的优点，而不是对本发明权利要求的限制。
实施例1
一种微胶囊粒子型表面施胶剂的制备工艺，包括以下步骤：
1、取苯乙烯、丙烯酸以6∶4的比例采用无皂聚合工艺制得晶体——苯乙烯-丙烯酸酯的共聚物；
2、将步骤1所得苯乙烯-丙烯酸酯的共聚物粉碎成微小颗粒；
3、将制得的较硬的苯乙烯-丙烯酸酯的共聚物的微小颗粒为芯，采用微胶囊粒子合成工艺包覆在微小而密封且较柔软的外囊中；
4、向步骤3中滴加苯乙烯和特种丙烯酸酯做包埋处理，芯和囊完成包埋后，再进行单体抽提处理得产品——微胶囊粒子表面施胶剂。
所得微胶囊粒子表面施胶剂在灰底涂布白板纸原纸表面中的应用技术：
a、将所得的微胶囊粒子表面施胶剂与表面施胶淀粉按5∶1的重量比进行混合均匀，通过浸泡式施胶机施涂在灰底涂布白板纸的表面上；
b、将施涂后的灰底涂布白板纸的原纸通过干燥箱烘干；
c、将烘干后的灰底涂布白板纸进入涂布机接受涂料的施涂。
实施例2
一种微胶囊粒子型表面施胶剂的制备工艺同实施例1。
所得微胶囊粒子表面施胶剂在灰底涂布白板纸原纸表面中的应用技术：
a、将所得的微胶囊粒子表面施胶剂与表面施胶淀粉按8∶1的重量比进行混合均匀，通过浸泡式施胶机施涂在灰底涂布白板纸的表面上；
b、将施涂后的灰底涂布白板纸的原纸通过干燥箱烘干；
c、将烘干后的灰底涂布白板纸进入涂布机接受涂料的施涂。
本工艺制作的微胶囊粒子型表面施胶剂的整个合成过程均采用无皂聚合，不含淀粉以及其它乳化剂，抗水以及耐化学性能上面比现用的常规表面施胶剂具有优势，不易吸湿返潮，尤其是在空气温度比较大的天气里更能体现其耐水性。
本工艺制作的微胶囊粒子型表面施胶剂的结构相当于微胶囊粒子，是一种具有聚合物壁壳的微型容器或包物，被包容物硬度较高，外壳微胶囊柔软，干燥消耗的热量少耗能少，TVOC含量与传统的聚合或是杂聚要少很多，因此比较环保。
本工艺制作的微胶囊粒子型表面施胶剂的铺展性能比较高，达到同等抗水所需要的产品用量比常规的要少，因此，成本较低，与传统的聚合或是杂聚比较，它能更好更规则地分布或排列在灰底涂布白纸板原纸的表面上。
本工艺制作的微胶囊粒子型表面施胶剂，化学稳定性好，有效减少活性物质对外界环境因素(如光、氧、水)的反应，保质时间长，对塑料制品无腐蚀作用，所以，其运输比较方便，并且在施涂过程中对设备无伤害。

Claims (2)

1.一种微胶囊粒子型表面施胶剂的制备工艺，包括以下步骤：
1)取苯乙烯、丙烯酸以6∶4的比例采用无皂聚合工艺制得晶体——苯乙烯-丙烯酸酯的共聚物；
2)将步骤1所得苯乙烯-丙烯酸酯的共聚物粉碎成微小颗粒；
3)将制得的较硬的苯乙烯-丙烯酸酯的共聚物的微小颗粒为芯，采用微胶囊粒子合成工艺包覆在微小而密封且较柔软的外囊中；
4)向步骤3中滴加苯乙烯和特种丙烯酸酯做包埋处理，芯和囊完成包埋后，再进行单体抽提处理得产品——微胶囊粒子表面施胶剂。
2.所得微胶囊粒子表面施胶剂在灰底涂布白板纸原纸表面中的应用技术：
a、将所得的微胶囊粒子表面施胶剂与表面施胶淀粉按5-8∶1的重量比进行混合均匀，通过浸泡式施胶机施涂在灰底涂布白板纸的表面上；
b、将施涂后的灰底涂布白板纸的原纸通过干燥箱烘干；
c、将烘干后的灰底涂布白板纸进入涂布机接受涂料的施涂。
CN201810328158.XA 2018-04-04 2018-04-04 一种微胶囊粒子型表面施胶剂的制备工艺及应用技术 Pending CN108570878A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110184852A (zh) * 2019-06-26 2019-08-30 红云红河烟草(集团)有限责任公司 一种卷烟纸

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110184852A (zh) * 2019-06-26 2019-08-30 红云红河烟草(集团)有限责任公司 一种卷烟纸

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Application publication date: 20180925