CN106835831A - 一种高保留复印纸专用甘氨酸接枝改性碳酸钙及其制作方法 - Google Patents

一种高保留复印纸专用甘氨酸接枝改性碳酸钙及其制作方法 Download PDF

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CN106835831A
CN106835831A CN201611186163.9A CN201611186163A CN106835831A CN 106835831 A CN106835831 A CN 106835831A CN 201611186163 A CN201611186163 A CN 201611186163A CN 106835831 A CN106835831 A CN 106835831A
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calcium carbonate
glycine
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陈有伦
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    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/021—Calcium carbonates
    • C—CHEMISTRY; METALLURGY
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    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/021—Calcium carbonates
    • C09C1/022—Treatment with inorganic compounds
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/12—Treatment with organosilicon compounds
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
    • 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

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Abstract

本发明公开了一种高保留复印纸专用甘氨酸接枝改性碳酸钙，由下列重量份的原料制成：碳酸钙97‑99、木薯淀粉16‑18、核桃油2‑4、聚乙烯醇1.1‑1.3、西瓜皮纤维3‑5、甘氨酸8‑9、球形硅微粉4‑6、γ‑巯丙基三甲氧基硅烷5.2‑5.4、环氧氯丙烷6‑8、狼毒花7‑9、纳米硫酸钡2.2‑2.5、去离子水适量，本发明先将木薯淀粉经γ‑巯丙基三甲氧基硅烷改性后，再与碳酸钙填料共混后进行糊化溶胀，最后添加甘氨酸及其他有效成分研磨干燥处理，制得的改性碳酸钙表面光滑、亲油、白度好、抗剪切性能强、留着率高，应用于复印纸填料可提高纤维保留率，降低白水浓度，减少木浆用量。

Description

一种高保留复印纸专用甘氨酸接枝改性碳酸钙及其制作方法
技术领域
本发明涉及改性碳酸钙填料技术领域，尤其涉及一种高保留复印纸专用甘氨酸接枝改性碳酸钙及其制作方法。
背景技术
中国是一个造纸大国，而复印纸是这些纸产品中要求技术指标很高的纸种，在日常工作中复印纸的使用频率最高，复印纸的优劣将直接影响工作效率的快慢和文本形体的美观，因而在造纸过程中如何提高复印纸各项技术指标是目前需要解决的技术问题，最常用的方法是添加填充剂。
碳酸钙由于价格低廉，且具有无毒、无味、无刺激性、化学稳定、易干燥、能耗低、色泽好(白)，对其它颜色的干扰小，易着色、填充量大等诸多优点，将其填充于造纸中可以适应中碱性造纸发展的趋势，对涂布胶粘剂需要量少，还具有较好的流变性，是目前应用较多的填充剂之一添加至纸张中，不仅能替代部分植物纤维，提高纸料的脱水速率和纸张干燥速率，节省干燥能耗，从而降低生产成本，而且还具有许多其它优点，如提高纸张光学性能，增加纸张平滑度，改善纸张印刷性能等。然而，随着纸张中碳酸钙加入量的增加，加填的负效应也逐渐显现出来，如纸张的强度性能下降、施胶效果变差、造纸网寿命缩短、印刷中易出现掉毛掉粉现象等。为了克服或减轻纸张加填造成的这些缺陷，因而需要对碳酸钙进行了改良和功能化改性，对其表面改性的研究较为活跃，淀粉具有较好的成膜性和可提高纸张强度的原因，且来源广泛，价格低廉，是较好的填料包覆材料。因此，文献《淀粉改性碳酸钙填料提高复印纸性能的研究》用淀粉与碳酸钙填料共混后进行糊化溶胀，再进行干燥和研磨处理制备了淀粉包覆改性碳酸钙填料并将其应用于复印纸生产中。研究结果表明：淀粉包覆改性后的碳酸钙填料具备较强的抗剪切性能，同时具有较高的留着率；添加淀粉包覆改性碳酸钙的纸页强度性能较高，且强度性能下降的幅度明显减缓。
然而文献中碳酸钙改性较为单一，且碳酸钙颗粒表面吸附着一层钙离子，呈弱碱性，抗酸性能差，只能应用于中性或偏碱性造纸的填充剂，限制了其应用范围，其次由于碳酸钙表面羟基的作用，使其表面亲水疏油，不利于在非极性体系中均匀分散，将其填充于造纸中制得的复印纸防水性差、印刷性能差，且纸张印刷中易出现掉毛掉粉现象，因而需要改进现有生产工艺和配方比列，随着纳米材料的技术研究的不断成熟，将其应用于造纸填料开发出一种具有耐酸、防水等功能的复印纸用多功能型改性纳米碳酸钙可以弥补现有技术的不足。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种高保留复印纸专用甘氨酸接枝改性碳酸钙及其制作方法。
本发明是通过以下技术方案实现的：
一种高保留复印纸专用甘氨酸接枝改性碳酸钙，由下列重量份的原料制成：碳酸钙97-99、木薯淀粉16-18、核桃油2-4、聚乙烯醇1.1-1.3、西瓜皮纤维3-5、甘氨酸8-9、球形硅微粉4-6、γ-巯丙基三甲氧基硅烷5.2-5.4、环氧氯丙烷6-8、狼毒花7-9、纳米硫酸钡2.2-2.5、去离子水适量。
所述的一种高保留复印纸专用甘氨酸接枝改性碳酸钙的制作方法，包括以下步骤：
（1）将聚乙烯醇加入适量去离子水搅拌至全部溶解，加入狼毒花打成浆并加热煮沸，保持温度加入球形硅微粉超声研磨30-40分钟，喷雾干燥得改性球形硅微粉；
（2）将木薯淀粉、纳米硫酸钡搅拌混匀，加入γ-巯丙基三甲氧基硅烷超声研磨30-40分钟，喷雾干燥得改性木薯淀粉；
（3）将步骤（2）制得的改性木薯淀粉用去离子水配制成浓度为3%的悬浮液，加入碳酸钙、步骤（1）物料搅拌混匀，置于90-100℃水浴中边搅拌边反应2-3小时直至凝结成块状；
（4）把上述凝结成块状的物料捣碎烘干，加入甘氨酸、环氧氯丙烷及其他剩余成分用球磨机研磨至粒径为600-800目之间，烘干出料。
本发明的优点是：本发明先将木薯淀粉经γ-巯丙基三甲氧基硅烷改性后，再与碳酸钙填料共混后进行糊化溶胀，最后添加甘氨酸及其他有效成分研磨干燥处理，使碳酸钙填料粒子的粒径增大，一方面增大了碳酸钙微粒间的距离，减小了分子间的相互作用，可改善碳酸钙颗粒的团聚现象，另一方面能够避免碳酸钙填料与纸浆纤维的直接接触，而变成淀粉凝胶与纸浆纤维的接触，形成氢键联接，增加了碳酸钙填料粒子与纸浆纤维之间的结合力，减缓了加填纸强度性能的下降幅度，制得的改性碳酸钙表面光滑、亲油性好、白度好、抗剪切性能强、留着率高，应用于复印纸填料可提高纤维保留率，降低白水浓度，减少木浆用量，有利于降低成本和有利于环境保护。
具体实施方式
一种高保留复印纸专用甘氨酸接枝改性碳酸钙，由下列重量份的原料制成：碳酸钙97、木薯淀粉16、核桃油2、聚乙烯醇1.1、西瓜皮纤维3、甘氨酸8、球形硅微粉4、γ巯丙基三甲氧基硅烷5.2、环氧氯丙烷6、狼毒花7、纳米硫酸钡2.2、去离子水适量。
所述的一种高保留复印纸专用甘氨酸接枝改性碳酸钙的制作方法，包括以下步骤：
（1）将聚乙烯醇加入适量去离子水搅拌至全部溶解，加入狼毒花打成浆并加热煮沸，保持温度加入球形硅微粉超声研磨30-40分钟，喷雾干燥得改性球形硅微粉；
（2）将木薯淀粉、纳米硫酸钡搅拌混匀，加入γ-巯丙基三甲氧基硅烷超声研磨30-40分钟，喷雾干燥得改性木薯淀粉；
（3）将步骤（2）制得的改性木薯淀粉用去离子水配制成浓度为3%的悬浮液，加入碳酸钙、步骤（1）物料搅拌混匀，置于90-100℃水浴中边搅拌边反应2-3小时直至凝结成块状；
（4）把上述凝结成块状的物料捣碎烘干，加入甘氨酸、环氧氯丙烷及其他剩余成分用球磨机研磨至粒径为600-800目之间，烘干出料。
利用本发明制得的复印纸专用改性碳酸钙填料表面光滑、亲油、白度好，其体积平均粒径由5.88μm增加至38.25μm；面积平均粒径由1.73μm 增加至12.11μm；当加入量为10%-40%时，其在纸页抄造过程中的留着率提高幅度在28.28%-65.48%之间。

Claims (2)

1.一种高保留复印纸专用甘氨酸接枝改性碳酸钙，其特征在于，由下列重量份的原料制成：碳酸钙97-99、木薯淀粉16-18、核桃油2-4、聚乙烯醇1.1-1.3、西瓜皮纤维3-5、甘氨酸8-9、球形硅微粉4-6、γ-巯丙基三甲氧基硅烷5.2-5.4、环氧氯丙烷6-8、狼毒花7-9、纳米硫酸钡2.2-2.5、去离子水适量。
2.根据权利要求1所述的一种高保留复印纸专用甘氨酸接枝改性碳酸钙的制作方法，其特征在于包括以下步骤：
（1）将聚乙烯醇加入适量去离子水搅拌至全部溶解，加入狼毒花打成浆并加热煮沸，保持温度加入球形硅微粉超声研磨30-40分钟，喷雾干燥得改性球形硅微粉；
（2）将木薯淀粉、纳米硫酸钡搅拌混匀，加入γ-巯丙基三甲氧基硅烷超声研磨30-40分钟，喷雾干燥得改性木薯淀粉；
（3）将步骤（2）制得的改性木薯淀粉用去离子水配制成浓度为3%的悬浮液，加入碳酸钙、步骤（1）物料搅拌混匀，置于90-100℃水浴中边搅拌边反应2-3小时直至凝结成块状；
（4）把上述凝结成块状的物料捣碎烘干，加入甘氨酸、环氧氯丙烷及其他剩余成分用球磨机研磨至粒径为600-800目之间，烘干出料。
CN201611186163.9A 2016-12-21 2016-12-21 一种高保留复印纸专用甘氨酸接枝改性碳酸钙及其制作方法 Pending CN106835831A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107603278A (zh) * 2017-08-31 2018-01-19 贺州钟山县双文碳酸钙新材料有限公司 一种造纸用改性碳酸钙及其加工工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107603278A (zh) * 2017-08-31 2018-01-19 贺州钟山县双文碳酸钙新材料有限公司 一种造纸用改性碳酸钙及其加工工艺

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