CN115058913B - 一种高吸湿性能玻璃垫纸的制备方法 - Google Patents

一种高吸湿性能玻璃垫纸的制备方法 Download PDF

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CN115058913B
CN115058913B CN202210766766.5A CN202210766766A CN115058913B CN 115058913 B CN115058913 B CN 115058913B CN 202210766766 A CN202210766766 A CN 202210766766A CN 115058913 B CN115058913 B CN 115058913B
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water
slurry
pulp
paper
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王建民
王建全
王建新
冯国青
郭晓弟
高晓艳
马秋华
孟艳侠
李秀娟
赵志鹏
白广成
王建生
王建平
宋国明
段振东
赵敬伟
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Qian'an Hengmao Paper Co ltd
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03Non-macromolecular organic compounds
    • D21H17/05Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/06Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/66Salts, e.g. alums
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/71Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-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
    • D21H21/14Non-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
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002Tissue paper; Absorbent paper
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Abstract

本发明涉及一种高吸湿性能玻璃垫纸的制备方法,包括以下步骤:1、按比例准备原料:针叶木浆25%~30%,阔叶木浆60%~65%,吸水剂5%~15%;其中吸水剂的配比是:丙三醇80%~85%、硫酸钠2.5~5%、硫酸铜2.5%~5%、硫酸镁5%~15%;2、将针叶木浆和阔叶木浆经打浆和洗浆制成成品浆,再加入吸水剂,调节pH值后,经流送、抄造和烘干,即得高吸水性玻璃垫纸成品。本发明制备方法操作方便、稳定、可靠,可作为汽车玻璃、光伏玻璃、电子玻璃等各种玻璃产品中的玻璃垫纸,能有效预防玻璃表面发霉、出花斑,防潮效果显著,降低玻璃生产厂家因玻璃发潮、发霉而造成的经济损失,提高产品的品质和市场竞争力。

Description

一种高吸湿性能玻璃垫纸的制备方法
技术领域
本发明涉及一种玻璃垫纸,具体地说是一种高吸湿性能玻璃垫纸的制备方法。
背景技术
在玻璃生产过程中,当玻璃由高温冷却到常温的过程中,会导致玻璃表面产生冷凝水。而玻璃表面有冷凝水的地方就会产生潮湿的环境,容易引起发霉而侵蚀玻璃,导致玻璃的质量下降。为此,在玻璃生产过程中,要使用玻璃垫纸,以吸附玻璃表面产生的冷凝水。而传统的玻璃垫纸的吸水性较低,不能将玻璃表面的水全部吸附干净,导致玻璃生产厂家的玻璃生产仍不同程度地存在玻璃发潮或发霉现象。而因此向客户支付的赔偿费用,除了给企业造成直接经济损失外,还使企业逐步失去了产品竞争力和市场份额。
发明内容
本发明的目的就是提供一种高吸湿性能玻璃垫纸的制备方法,以解决传统玻璃垫纸因吸水性低而不能将玻璃表面的水全部吸附干净的问题。
本发明的目的是这样实现的:
一种高吸湿性能玻璃垫纸制备方法,包括以下步骤:
a、配制吸水剂:按重量百分比浓度配比吸水剂原料,吸水剂原料的配比为:丙三醇80%~85%,硫酸钠2.5~5%,硫酸铜2.5%~5%,硫酸镁5%~15%;
b、玻璃垫纸原料的准备:按重量百分比浓度准备需要配比的玻璃垫纸原料,玻璃垫纸原料的配比为:针叶木浆25%~30%,阔叶木浆60%~65%,吸水剂5%~15%;
c、打浆:按木浆浓度达到10%~12%计算,先在木浆池里放入称重好的水,按照比例浓度分别加入针叶木浆和阔叶木浆,用水利碎浆机将桨板破碎,搅拌均匀,制成浆液;
d、洗浆:将所制浆液按0.7%~0.8%浓度用水稀释,然后上斜网对稀释后浆液进行洗涤,制成成品浆;
e、配浆:将所制成品浆注入配浆池中,再加入符合配比要求的吸水剂,完成配浆;
f、流送:将配好的浆液通过调浆箱、充浆池流送到成型网,使纸页成型;
g、抄造:用压榨管降低成型纸页的水分,再将成型纸页通过烘缸进行烘干,待含水率达到4%~6%,即得高吸水性玻璃垫纸成品。
本发明所用吸水剂为复配吸水剂,实验表明,当按本发明比例配置的水溶液,其pH值=4,因而十分有利于使玻璃垫纸产品保持合理的酸性pH值。此外,这种配比复配的吸水剂,还具有延长溶解时间的特性。例如,将1g硫酸钠、1g硫酸铜和1g硫酸镁分别溶解于20g的蒸馏水中,完全溶解的时间分别为:11分钟、20分钟和11分钟;而将三者按本发明中吸水剂的比例配置成的水溶液,完全溶解需要44分钟,这样,在配浆池中加入调配好的吸水剂后,含有吸水剂的纸浆通过流送和抄造环节而得到的玻璃垫纸成品中就含有这种复配吸水剂,这样就可将玻璃垫纸中吸湿性能稳定延长3个月,达到15个月,由此避免了玻璃成品的发潮、发霉,相应提高了玻璃产品的品质。
采用本发明方法制备的玻璃垫纸,PH值达到6~7,水分4%~6%,灰分≤1%,吸湿性能能够达到大于260g/m2,最少也在250g/m2以上,吸湿性能提高显著。本发明制备方法操作方便、稳定、可靠,可作为汽车玻璃、光伏玻璃、电子玻璃等各种玻璃产品中的玻璃垫纸,能有效预防玻璃表面发霉、出花斑,防潮效果显著,降低玻璃生产厂家因玻璃发潮、发霉而造成的经济损失,提高产品的品质和市场竞争力。
具体实施方式
实施例1:
(1)配制吸水剂:按重量百分比浓度配比吸水剂原料,吸水剂原料的配比为:丙三醇80%,硫酸钠2.5%,硫酸铜2.5%,硫酸镁15%;具体是将按照配比的用水量准备好的水放入水池中,再将按配比称重的硫酸钠、硫酸铜和硫酸镁放入该水池中并搅拌,待硫酸钠、硫酸铜、硫酸镁完全溶解后,再向水池中放入按配比称重的丙三醇,即制得吸水剂。本次配置吸水剂15Kg,放置待用。
(2)玻璃垫纸原料的准备:按重量百分比浓度准备需要配比的玻璃垫纸原料,玻璃垫纸原料的配比为:针叶木浆25Kg,阔叶木浆60Kg。
(3)打浆:按木浆浓度达到10%计算,先在木浆池里放入称重好的水900Kg,再按比例浓度加入针叶木浆25Kg、阔叶木浆60Kg,使用碎浆机将桨板破碎,搅拌均匀,制成浆液。
(4)洗浆:将步骤(3)所制浆液按0.7%的浓度用水稀释,然后上斜网对稀释后的浆液进行洗涤,制成成品浆。
(5)配浆:将所制成品浆注入配浆池中,再加入步骤(1)所制15Kg重的吸水剂,调节pH值到6,完成配浆。
(6)流送:将步骤(5)配好的浆液通过调浆箱、充浆池流送到成型网,使纸页成型。
(7)抄造:用压榨管降低纸页的水分,再将成型纸页通过烘缸进行烘干,使成型纸页的含水率达到4%~6%,即得高吸水性玻璃垫纸成品。
实施例2。
(1)配制吸水剂:按重量百分比浓度配比吸水剂原料,其中,丙三醇85%,硫酸钠5%,硫酸铜5%,硫酸镁10%,本次配置10Kg吸水剂备用。
(2)玻璃垫纸原料的准备:按重量百分比浓度准备需要配比的玻璃垫纸原料,玻璃垫纸原料的配比为:针叶木浆25%,阔叶木浆65%,吸水剂10%。
(3)打浆:按木浆浓度达到9%计算,先在木浆池里放入称重好的水900Kg,再按比例浓度加入针叶木浆25Kg、阔叶木浆65Kg,用碎浆机将桨板破碎,搅拌均匀,制成浆液。
(4)洗浆:将步骤(3)所制浆液按0.7%的浓度用水稀释,然后上斜网对稀释后的浆液进行洗涤,制成成品浆。
(5)配浆:将所制成品浆注入配浆池中,再加入步骤(1)所制备的10Kg重的吸水剂,调节pH值到6.0,完成配浆。
(6)流送:将步骤(5)配好的浆液通过调浆箱、充浆池流送到成型网,使纸页成型。
(7)抄造:用压榨管降低纸页水分,之后将成型纸页通过烘缸进行烘干,使成型纸页的含水率达到4%的水分,即得高吸水性玻璃垫纸PDF。
实施例3。
(1)配制吸水剂:按重量百分比浓度配比吸水剂原料,其中,丙三醇83%,硫酸钠3%,硫酸铜3%,硫酸镁11%。本次配置15Kg,待用。
(2)玻璃垫纸原料的准备:按重量百分比浓度准备需要配比的玻璃垫纸原料,玻璃垫纸原料的配比为:针叶木浆27%,阔叶木浆53%,吸水剂15%。
(3)打浆:按木浆浓度达到8%计算,先在木浆池里放入称重好的水900Kg,按比例浓度加入针叶木浆27Kg、阔叶木浆53Kg,用碎浆机将桨板破碎,搅拌均匀,制成浆液。
(4)洗浆:将步骤(3)所制浆液按0.7%的浓度水稀释,然后上斜网对稀释后的浆液进行洗涤,制成成品浆。
(5)配浆:将所制成品浆注入配浆池中,再加入步骤(1)所制15Kg重的吸水剂,调节pH值到6,完成配浆。
(6)流送:将步骤(5)配好的浆液通过调浆箱、充浆池流送到成型网,使纸页成型。
(7)抄造:用压榨管降低纸页水分,之后将成型纸页通过烘缸进行烘干,使成型纸页的含水率达到4%,即得高吸水性玻璃垫纸成品。
通过本发明制备的高吸水性玻璃垫纸成品,采用国标GB/T1540-2002可勃法测试纸张,测试结果见表1。
表1:测试样品吸水性能对比
可见,通过本发明制备方法制备的高吸水性玻璃垫纸成品的吸水性能有明显提高。
实施例4~9:
本发明以表格形式列举出实施例4~9中吸水剂的配比以及玻璃垫纸的原料配比,各实施例中的其他操作步骤均同实施例1,且各实施例所制产品的吸水效果和吸水能力与实施例1的对应的性能指标也基本相近。
表2:实施例4~9的原料用量配比表

Claims (2)

1.一种高吸湿性能玻璃垫纸的制备方法,其特征是,包括以下步骤:
a、配制吸水剂:按重量百分比浓度配比吸水剂原料,吸水剂原料的配比为:丙三醇80%~85%,硫酸钠2.5~5%,硫酸铜2.5%~5%,硫酸镁5%~15%;
b、玻璃垫纸原料的准备:按重量百分比浓度准备需要配比的玻璃垫纸原料,玻璃垫纸原料的配比为:针叶木浆25%~30%,阔叶木浆60%~65%,吸水剂5%~15%;
c、打浆:按木浆浓度达到10%~12%计算,先在木浆池里放入称重好的水,按照比例浓度分别加入针叶木浆和阔叶木浆,用水利碎浆机将桨板破碎,搅拌均匀,制成浆液;
d、洗浆:将所制浆液按0.7%~0.8%浓度用水稀释,然后上斜网对稀释后浆液进行洗涤,制成成品浆;
e、配浆:将所制成品浆注入配浆池中,再加入符合配比要求的吸水剂,完成配浆;
f、流送:将配好的浆液通过调浆箱、充浆池流送到成型网,使纸页成型;
g、抄造:用压榨管降低成型纸页的水分,再将成型纸页通过烘缸进行烘干,待含水率达到4%~6%,即得高吸水性玻璃垫纸成品。
2.根据权利要求1所述的高吸湿性能玻璃垫纸的制备方法,其特征是,步骤a中,将按照配比的用水量准备好的水放入水池中,再将按配比称重的硫酸钠、硫酸铜和硫酸镁放入该水池中并搅拌,待硫酸钠、硫酸铜、硫酸镁完全溶解后,再向水池中放入按配比称重的丙三醇,即制得吸水剂。
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CN107245127A (zh) * 2017-04-12 2017-10-13 广西民族大学 一种淀粉基复合型高吸水性树脂的制备方法
CN107083721A (zh) * 2017-06-27 2017-08-22 陕西科技大学 一种液晶玻璃间隔纸的抄造工艺
CN110306378A (zh) * 2018-03-27 2019-10-08 迁安市恒茂纸业有限公司 一种新的防霉纸的配方及其配制方法

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