CN113584944A - 白面牛卡纸及其制备方法 - Google Patents
白面牛卡纸及其制备方法 Download PDFInfo
- Publication number
- CN113584944A CN113584944A CN202110914389.0A CN202110914389A CN113584944A CN 113584944 A CN113584944 A CN 113584944A CN 202110914389 A CN202110914389 A CN 202110914389A CN 113584944 A CN113584944 A CN 113584944A
- Authority
- CN
- China
- Prior art keywords
- layer
- craft paper
- white
- paper
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- 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
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
- C08F230/085—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon the monomer being a polymerisable silane, e.g. (meth)acryloyloxy trialkoxy silanes or vinyl trialkoxysilanes
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/52—Cellulose; Derivatives thereof
-
- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- 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
- D21H21/14—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
- D21H21/18—Reinforcing 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
- D21H21/14—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
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
-
- 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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
Abstract
本发明公开了白面牛卡纸及其制备方法,涉及牛卡纸制造技术领域。该白面牛卡纸,包括:涂布层,包装时露在外面;表面层,上述表面层上涂覆涂布层;芯层和底层,上述芯层位于上述表面层和底层之间。本发明制得的白面牛卡纸具有优异的耐折性能和耐破性能,延长了其使用寿命;且具有良好的抗水性能和白度,解决后续白面牛卡纸箱在高速印刷、封箱及运输过程中的掉粉、面层破损等问题。
Description
技术领域
本发明属于牛卡纸制造技术领域,具体涉及白面牛卡纸及其制备方法。
背景技术
白面牛卡纸主要用于包装纸箱的面层,原纸到终端客户一般要经过跑板、印刷、模切、封箱、装箱、搬运、长途运输等工序。近年来包装行业印刷速度提高、高速自动封箱机的普及速度正在加快、国内物流体系的完善导致纸箱运输距离的增加,导致下游客户在使用高速设备加工纸箱及纸箱长途运输时,出现掉粉、面层破损等问题。即下游客户对于白面牛卡纸的成纸质量提出更高的要求。
传统的白面牛卡纸通常是采用单网抄造形成的单层结构。为了增加其厚度和挺度以提供更好的包装性能,白面牛卡纸逐渐发展到采用双层或多网抄造再复合的方式形成的两层或多层结构。由于白面牛卡纸的厚度增加,所以白面牛卡纸的强度和挺度提高,但由于在复合过程中白面牛卡纸的层间结合强度比较低,造成白面牛卡纸在使用中经常会出现因白面牛卡纸层间分离而断裂的问题。其中,对于箱板纸和白板纸类来说,白面牛卡纸的纸张正面爆裂要求较高;对于液体包装纸来说,白面牛卡纸的纸张背面爆线/爆面要求比较高。
发明内容
本发明的目的在于提供白面牛卡纸及其制备方法,该白面牛卡纸具有优异的耐折性能和耐破性能,延长了其使用寿命;且具有良好的抗水性能和白度,解决后续白面牛卡纸箱在高速印刷、封箱及长途运输过程中的掉粉、面层破损问题。
本发明为实现上述目的所采取的技术方案为:
一种白面牛卡纸,包括:
涂布层,包装时露在外面;
表面层,上述表面层上涂覆涂布层;
芯层和底层,上述芯层位于上述表面层和底层之间。采用三叠网成型技术,能够高效、少废的获得湿纸幅,降低物料和能源消耗。另外,表面层、底纸层和芯纸层选用可降解材料经过三叠网成形技术抄造而成,保证白面卡纸具有良好环保性能。
优选地,涂布层原料组份包括,按重量份计,50~62份高岭土分散液,8~15份改性丙苯乳液表面施胶剂,4~10份纳米纤维素,1~4份乙烯-醋酸乙烯共聚物,0.3~0.8份CMC,0.5~1份消泡剂,0.3~0.6份增白剂,0.4~1.1份防腐剂。
优选地,高岭土分散液的浓度为65~68%。
优选地,改性丙苯乳液表面施胶剂原料组分包括,苯乙烯、丙烯酸丁酯、3-(N-烯丙基氨基)丙基三甲氧基硅烷、N-烯丙基-N-二氯乙酰间三氟甲基苯胺、八甲基环四硅烷。N-烯丙基-N-二氯乙酰间三氟甲基苯胺作为交联单体,与其它组分聚合,制得复合苯丙乳液,综合性能优异。N-烯丙基-N-二氯乙酰间三氟甲基苯胺的存在,显著提升单体的转化率,促进单体转化,且有效减少凝胶,增加乳液稳定性。将制得的改性苯丙乳液表面施胶剂应用于白面牛卡纸涂布层中,涂覆在牛卡纸表面,有利于牛卡纸耐折强度的提高,减少了爆线的几率;且显著提升牛卡纸的耐破损性能,延长其使用寿命;同时,N-烯丙基-N-二氯乙酰间三氟甲基苯胺改性苯丙乳液表面施胶剂的加入,进一步提升了白面牛卡纸的白度。
优选地,改性丙苯乳液表面施胶剂的制备方法,包括:
取3-(N-烯丙基氨基)丙基三甲氧基硅烷和N-烯丙基-N-二氯乙酰间三氟甲基苯胺,混合搅拌均匀,加热至80~85℃,缓慢滴加FeSO4溶液,8~10min后,缓慢滴加苯乙烯、丙烯酸丁酯和H2O2溶液,苯乙烯、丙烯酸丁酯控制在1.5~2h内滴完,H2O2溶液在2~2.5h内滴加完毕;然后升温至90~95℃,保温2~3h;接着缓慢滴加八甲基环四硅烷和乙醇,降温至40~43℃,加入乙二醛终止反应,出料即得改性苯丙乳液表面施胶剂。
优选地,苯乙烯和丙烯酸丁酯的质量比为1:0.8~1.2;3-(N-烯丙基氨基)丙基三甲氧基硅烷加入量为总单体质量的30~42%;N-烯丙基-N-二氯乙酰间三氟甲基苯胺入量为总单体质量的26~32%;八甲基环四硅烷与3-(N-烯丙基氨基)丙基三甲氧基硅烷的质量比为2.5~3.6:1;八甲基环四硅烷和乙醇的质量比为1:0.5~0.8。
优选地,上述表面层克重为36~45g/m2,芯层克重为58~76g/m2,底层克重为60~92g/m2;涂布层的涂覆量是10~15g/m2。
进一步地,涂布层原料组份还包括4~8重量份脱水长叶九里香内酯。在涂布层中加入脱水长叶九里香内酯,涂覆在牛卡纸表面,获得的涂布层表面粗糙度明显降低,有效增强成膜效果;制得的白面牛卡纸的抗水性能显著提升。同时,在改性苯丙乳液表面施胶剂的存在下,加入脱水长叶九里香内酯,两者复配使用显著增强了白面牛卡纸的耐破性能和环压强度,且抗水性能进一步提升。
上述白面牛卡纸的制备方法,包括:
利用底层浆料、芯层浆料和表面层浆料抄造由底层、芯层和表面层组成的复合纸层;
将上述复合纸层进行后处理,获得复合原纸;
采用气帘涂布工艺在所述复合原纸的表面层表面涂覆涂布层,获得白面牛卡纸。涂布层采用气帘式一次涂布方式形成在面纸层远离芯纸层的表面,使得形成面涂层的涂料能够在纸幅横向和纵向上获得很好地分布,避免褶皱纹的形成。在保持良好印刷性、强度的同时也具有很好的防水性能。
优选地,表面层采用木浆和漂白脱墨浆,芯层采用漂白脱墨浆,底层采用OCC废纸原料。
优选地,复合纸层的制备包括:
S1:利用三叠网成型设备抄造底层、芯层和表面层,获得湿纸幅;其中,三叠网成型设备的车速为800 ~900m/min。
S2:采用压榨线对上述湿纸幅进行压榨脱水,获得复合纸层;其中,压榨线的一压压力为780~800kN/m,二压压力为950~1000kN/m;
优选地,复合纸层的后处理包括:
将上述复合纸层经过压光线表面压光即获得复合原纸;其中,压光线的线压范围70~80kN/m,压光温度为 105~120℃。
相比于现有技术,本发明具有如下有益效果:
N-烯丙基-N-二氯乙酰间三氟甲基苯胺作为交联单体,与其它组分聚合,制得复合苯丙乳液,N-烯丙基-N-二氯乙酰间三氟甲基苯胺的存在,显著提升单体的转化率,减少凝胶,增加乳液稳定性。将制得的改性苯丙乳液表面施胶剂应用于白面牛卡纸涂布层中,涂覆在牛卡纸表面,有利于牛卡纸耐折强度的提高,且显著提升牛卡纸的耐破损性能,延长其使用寿命;同时可进一步提升白面牛卡纸的白度。除此之外,在涂布层中加入脱水长叶九里香内酯,涂覆在牛卡纸表面,获得的涂布层表面粗糙度明显降低,增强了其成膜效果;制得的白面牛卡纸的抗水性能显著提升。同时,在改性苯丙乳液表面施胶剂的存在下,加入脱水长叶九里香内酯,两者复配使用显著增强了白面牛卡纸的耐破性能和环压强度,且抗水性能进一步提升。
因此,本发明提供了白面牛卡纸及其制备方法,该白面牛卡纸具有优异的耐折性能和耐破性能,延长了其使用寿命;且具有良好的抗水性能和白度,解决后续白面牛卡纸箱在高速印刷、封箱及长途运输过程中的掉粉、面层破损问题。
附图说明
图1为本发明试验例1中红外光谱测试结果。
具体实施方式
以下结合具体实施方式和附图对本发明的技术方案作进一步详细描述:
本发明实施例用消泡剂为GP330,增白剂为荧光增白剂85,防腐剂为BTI防腐剂;所用高岭土分散液的浓度为68%。
实施例1:
改性苯丙乳液表面施胶剂的制备:
向装有搅拌器和温度计的三口烧瓶中加入3-(N-烯丙基氨基)丙基三甲氧基硅烷(占总单体质量的38%)和N-烯丙基-N-二氯乙酰间三氟甲基苯胺(占总单体质量的29%),开启搅拌的同时打开水浴锅加热。当温度升至85℃,缓慢滴加配制好的FeSO4溶液(占总单体质量的2%),10min后,分别使用蠕动泵滴加苯乙烯、丙烯酸丁酯和H2O2溶液(占总单体质量的8%),苯乙烯、丙烯酸丁酯(两者质量比为1:0.95)控制在2h内滴完,H2O2溶液在2.5h内滴加完毕;然后升温至90℃,保温2h;接着缓慢滴加八甲基环四硅烷(与3-(N-烯丙基氨基)丙基三甲氧基硅烷的质量比为2.7:1)和乙醇(与八甲基环四硅烷的质量比为0.75:1),降温至40℃,加入乙二醛终止反应,出料即得改性苯丙乳液表面施胶剂。
一种白面牛卡纸的制备:
利用三叠网成型设备抄造底层、芯层和表面层,获得湿纸幅;其中,三叠网成型设备的车速为850m/min;表面层采用木浆和漂白脱墨浆,芯层采用漂白脱墨浆,底层采用OCC废纸原料;然后采用压榨线对上述湿纸幅进行压榨脱水,获得复合纸层;其中,压榨线的一压压力为780kN/m,二压压力为980kN/m;
将上述复合纸层经过压光线表面压光即获得复合原纸;其中,压光线的线压范围78kN/m,压光温度为 110℃;
采用Voith DynaLayer帘式涂布机在复合原纸的面纸层涂覆涂布层,涂布层的涂布量是8g/m2,然后将涂布后的牛卡纸进入后烘干部干燥,得到白面牛卡纸。
其中,涂布层原料组份包括,按重量份计,58份高岭土分散液,13份本实施例制得的改性丙苯乳液表面施胶剂,8份纳米纤维素,2份乙烯-醋酸乙烯共聚物,0.65份CMC,0.8份消泡剂,0.45份增白剂,0.8份防腐剂。
制得的白面牛卡纸,上述表面层克重为42g/m2,芯层克重为64g/m2,底层克重为80g/m2。
实施例2:
改性苯丙乳液表面施胶剂的制备与实施例1的不同之处在于:苯乙烯和丙烯酸丁酯的质量比为1:1.1;3-(N-烯丙基氨基)丙基三甲氧基硅烷加入量为总单体质量的40%;N-烯丙基-N-二氯乙酰间三氟甲基苯胺入量为总单体质量的30%;八甲基环四硅烷与3-(N-烯丙基氨基)丙基三甲氧基硅烷的质量比为3.1:1。
一种白面牛卡纸的制备与实施例1的不同之处在于:
涂布层原料组份包括,按重量份计,61份高岭土分散液,14份本实施例制得的改性丙苯乳液表面施胶剂,9份纳米纤维素,3份乙烯-醋酸乙烯共聚物,0.7份CMC,0.9份消泡剂,0.5份增白剂,1份防腐剂。
实施例3:
改性苯丙乳液表面施胶剂的制备与实施例1的不同之处在于:苯乙烯和丙烯酸丁酯的质量比为1:0.85;3-(N-烯丙基氨基)丙基三甲氧基硅烷加入量为总单体质量的32%;N-烯丙基-N-二氯乙酰间三氟甲基苯胺入量为总单体质量的28%;八甲基环四硅烷与3-(N-烯丙基氨基)丙基三甲氧基硅烷的质量比为3:1。
一种白面牛卡纸的制备与实施例1的不同之处在于:
涂布层原料组份包括,按重量份计,52份高岭土分散液,10份本实施例制得的改性丙苯乳液表面施胶剂,8份纳米纤维素,2份乙烯-醋酸乙烯共聚物,0.4份CMC,0.6份消泡剂,0.5份增白剂,0.6份防腐剂。
实施例4:
改性苯丙乳液表面施胶剂的制备与实施例1的不同之处在于:苯乙烯和丙烯酸丁酯的质量比为1:1;3-(N-烯丙基氨基)丙基三甲氧基硅烷加入量为总单体质量的35%;N-烯丙基-N-二氯乙酰间三氟甲基苯胺入量为总单体质量的30%;八甲基环四硅烷与3-(N-烯丙基氨基)丙基三甲氧基硅烷的质量比为3.1:1。
一种白面牛卡纸的制备与实施例1的不同之处在于:
涂布层原料组份包括,按重量份计,55份高岭土分散液,12份本实施例制得的改性丙苯乳液表面施胶剂,6份纳米纤维素,2份乙烯-醋酸乙烯共聚物,0.7份CMC,0.8份消泡剂,0.4份增白剂,0.7份防腐剂。
实施例5:
改性苯丙乳液表面施胶剂的制备与实施例1相同。
一种白面牛卡纸的制备与实施例1的不同之处在于:
涂布层原料组份还包括7份脱水长叶九里香内酯。
实施例6:
改性苯丙乳液表面施胶剂的制备与实施例5的不同之处在于:不添加N-烯丙基-N-二氯乙酰间三氟甲基苯胺。
一种白面牛卡纸的制备与实施例5相同。
对比例1:
改性苯丙乳液表面施胶剂的制备与实施例6相同。
一种白面牛卡纸的制备与实施例1相同。
试验例1:
改性苯丙乳液的性能表征
1、IR分析
将乳液样品提纯后冷冻干燥,以样品质量与KBr质量比为100:1一起研磨均匀,模具压片后测定样品的红外光谱,波数范围为4000cm-1~400cm-1。
对对比例1和实施例1制得的改性苯丙乳液进行上述测试,结果如图1所示。从图中分析可知,两种改性苯丙乳液在3410cm-1附近观察到N-H的伸缩振动吸收峰,在3054cm-1附近为苯环C-H的伸缩振动峰,1470cm-1附近出现苯环的骨架振动吸收峰;3000~2800cm-1范围内为亚甲基特征吸收峰;1700cm-1附近为羰基特征吸收峰;1260cm-1附近为C-N特征吸收峰;1248cm-1附近为Si-(CH3)2的-CH3对称变形吸收峰和Si-C伸缩振动吸收峰;在1181cm-1附近出现Si-O的特征吸收峰,表明有机硅氧烷已成功接枝到侧链上。除此之外,相比于对比例1,实施例1制得样品的图谱中,1260cm-1附近的C-N特征吸收峰强度增强;在1310cm-1和749cm-1附近出现C-F的特征吸收峰;835cm-1附近出现C-Cl的特征吸收峰;表明实施例1改性苯丙乳液成功聚合。
2、固含量和转化率测定
取恒重后的称量瓶,质量记为M1。精确称量乳液3~4g,总质量记为M2,将称量瓶放置在105℃的烘箱中,6h后取出称量瓶置于干燥器中冷却30min,恒重后总质量记为M3,乳液产品的固含量用Wt表示,固含量和转化率按下列公式计算:
Wt=(M3-M1)/M2×100%
转化率%=实际固含量/理论固含量×100%
3、凝胶率测定
用200目铜网过滤待测乳液样品,并在120℃下烘干滤出的固体物,称量后按下列公式计算凝胶率:
凝胶率%=干燥后固体物的质量/单体总质量×100%
对对比例1、实施例1制得的乳液样品进行上述转化率以及凝胶率测试,结果如表1所示:
表1 转化率以及凝胶率测试结果
样品 | 转化率/% | 凝胶率/% |
对比例1 | 93.53 | 0.44 |
实施例1 | 97.49 | 0.18 |
从表1中分析可知,实施例1制得的改性苯丙乳液的转化率明显高于对比例1制得的,且其凝胶率显著低于对比例1,表明N-烯丙基-N-二氯乙酰间三氟甲基苯胺的存在可有效提升转化率,促进单体转化,减少凝胶,增加乳液稳定性。
试验例2:
白面牛卡纸性能测试
1、表面粗糙度测试
采用粗糙度测定仪,型号SE 115型(产自瑞典Lorentzen & Wettre公司)进行测试。测试方法按照国标GB/T22363-2008《纸和纸板粗糙度的测定》。
对对比例1、实施例1~6制备的白面牛卡纸进行上述测试,结果如表2所示:
表2 粗糙度测试结果
样品 | 粗糙度/μm |
对比例1 | 3.2 |
实施例1 | 2.9 |
实施例2 | 3.1 |
实施例3 | 3.0 |
实施例4 | 3.2 |
实施例5 | 2.1 |
实施例6 | 2.0 |
从表2中可以看出,实施例1制得白面牛卡纸的粗糙度与对比例1无显著差异,而实施例5制得白面牛卡纸的粗糙度明显低于实施例1,实施例6的效果好于对比例1,表明涂布层原料中加入脱水长叶九里香内酯,可有效增强牛卡纸表面的光滑度,涂布层成膜效果更好。
2、耐折度测试
采用耐折度测定仪,型号MIT(产自瑞典Lorentzen & Wettre公司)进行测试。在与处理试样时相同的标准大气条件下,按纵横向分别切取宽(15±0.1)mm、长150mm的试样。选择折叠张力14.72N,根据试样厚度选择适当的下夹具,并在固定的位置上装好;转动下夹头,使上下夹头对正,将试样夹入上下夹头内,并将固定螺丝拧紧;松开控制弹簧张力的固定螺丝,将计数器拨到零位,启动仪器开始测试;当试样断裂时,读取计数器数值;取下已折断的试样,进行下一条实验,纵横向试样各测10条。最后进行数据处理,计算结果。
3、耐破强度测试
采用耐破强度测定仪,型号SE02(产自瑞典Lorentzen & Wettre公司)进行测试。切取试样,试样面积必须超过上夹盘的整个面积,并准确表明正反面;然后在标准温湿度大气条件下将试样处理至平衡,并在该条件下进行实验:确定测量范围;夹紧试样,将试样置于校对过的耐破度仪的上下夹环之间;测试,记录压力表数值,并将指针拨回零点;进行下一个试样的测试,正反面至少各测5张。
4、环压强度测试
采用环压强度测定仪,型号DCP-KY3000(产自四川长江造纸仪器有限公司)进行测试。测试方法参照国标GB/T2679.8-2016《纸和纸板环压强度的测定》。
对对比例1、实施例1~6制备的白面牛卡纸进行上述三项测试,结果如表3所示:
表3 性能测试结果
样品 | 耐折度/次 | 耐破指数(kPa·m<sup>2</sup>/g) | 环压指数(N·m/g) |
对比例1 | 43 | 2.64 | 9.7 |
实施例1 | 71 | 4.15 | 10.1 |
实施例2 | 75 | 4.27 | 10.3 |
实施例3 | 64 | 4.03 | 9.8 |
实施例4 | 69 | 4.12 | 10.0 |
实施例5 | 86 | 4.18 | 14.8 |
实施例6 | 52 | 2.69 | 9.7 |
从表3中可以看出,实施例1制得白面牛卡纸的耐折度和耐破指数均明显高于对比例1,而环压指数与对比例1相当,表明采用N-烯丙基-N-二氯乙酰间三氟甲基苯胺改性苯丙乳液制得的表面施胶剂,应用于牛卡纸表面层涂料中涂覆在纸板表面,可显著提升牛卡纸的耐折性能和耐破性能;实施例5制得白面牛卡纸的耐折度明显高于实施例1,实施例6的效果好于对比例1,表明涂布层原料中加入脱水长叶九里香内酯,可有效增强牛卡纸的耐折性能,且在N-烯丙基-N-二氯乙酰间三氟甲基苯胺改性苯丙乳液表面施胶剂存在下,对牛卡纸耐折性能的提升效果更佳。实施例5制得白面牛卡纸的耐破指数与实施例1相当,实施例6的效果与对比例1相当,表明涂布层原料中脱水长叶九里香内酯的存在对牛卡纸耐破性能无消极影响。除此之外,实施例5制得白面牛卡纸的环压指数明显高于实施例1,而实施例1和实施例6的效果与对比例1无显著差异,表明N-烯丙基-N-二氯乙酰间三氟甲基苯胺改性苯丙乳液表面施胶剂和脱水长叶九里香内酯同时存在,两者复配使用显著增强了白面牛卡纸的环压强度。
5、白度测试
本测试按照国家标准GB/T 7974-2013《纸、纸板和纸浆蓝光漫反射因数D65亮度的测定》,采用的是D65光源。
对对比例1、实施例1~6制备的白面牛卡纸进行上述测试,结果如表4所示:
表4 白度测试结果
样品 | 白度/% |
对比例1 | 80.4 |
实施例1 | 87.7 |
实施例2 | 88.4 |
实施例3 | 86.3 |
实施例4 | 87.1 |
实施例5 | 88.0 |
实施例6 | 80.9 |
从表4中可以看出,实施例1制得白面牛卡纸的白度明显高于对比例1,表明采用N-烯丙基-N-二氯乙酰间三氟甲基苯胺改性苯丙乳液制得的表面施胶剂,应用于牛卡纸表面层涂料中涂覆在纸板表面,可显著提升牛卡纸的白度。实施例5制得白面牛卡纸的白度与实施例1相当,实施例6的效果与对比例1相当,表明涂布层原料中脱水长叶九里香内酯的存在对牛卡纸白度无消极影响。
6、Cobb值的测定
采用Cobb值测试仪,室温下60s对白面牛卡纸进行表面吸水性测定。Cobb值越小,则表明样品的抗水能力越强,防水性能越好。
对对比例1、实施例1~6制备的白面牛卡纸进行上述测试,结果如表5所示:
表5 Cobb值测试结果
样品 | Cobb值(g/m<sup>2</sup>) |
对比例1 | 50.4 |
实施例1 | 48.6 |
实施例2 | 49.3 |
实施例3 | 48.1 |
实施例4 | 49.5 |
实施例5 | 39.2 |
实施例6 | 45.4 |
从表5中可以看出,实施例1制得白面牛卡纸的Cobb值与对比例1无显著差异,而实施例5制得白面牛卡纸的Cobb值明显低于实施例1,实施例6的效果好于对比例1,表明涂布层原料中加入脱水长叶九里香内酯,可有效增强牛卡纸抗水性能,涂布层成膜效果更好。且在N-烯丙基-N-二氯乙酰间三氟甲基苯胺改性苯丙乳液表面施胶剂存在下,对牛卡纸抗水性能提升效果更佳。
上述实施例中的常规技术为本领域技术人员所知晓的现有技术,故在此不再详细赘述。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。
Claims (9)
1.一种白面牛卡纸,包括:
涂布层,包装时露在外面;
表面层,所述表面层上涂覆涂布层;
芯层和底层,所述芯层位于所述表面层和底层之间。
2.根据权利要求1所述的一种白面牛卡纸,其特征在于:所述涂布层原料组份包括,按重量份计,50~62份高岭土分散液,8~15份改性丙苯乳液表面施胶剂,4~10份纳米纤维素,1~4份乙烯-醋酸乙烯共聚物,0.3~0.8份CMC,0.5~1份消泡剂,0.3~0.6份增白剂,0.4~1.1份防腐剂。
3.根据权利要求2所述的一种白面牛卡纸,其特征在于:所述改性丙苯乳液表面施胶剂原料组分包括,苯乙烯、丙烯酸丁酯、3-(N-烯丙基氨基)丙基三甲氧基硅烷、N-烯丙基-N-二氯乙酰间三氟甲基苯胺、八甲基环四硅烷。
4.根据权利要求2所述的一种白面牛卡纸,其特征在于:所述改性丙苯乳液表面施胶剂的制备方法,包括:
取3-(N-烯丙基氨基)丙基三甲氧基硅烷和N-烯丙基-N-二氯乙酰间三氟甲基苯胺,混合搅拌均匀,加热至80~85℃,缓慢滴加FeSO4溶液,8~10min后,缓慢滴加苯乙烯、丙烯酸丁酯和H2O2溶液;然后升温至90~95℃,保温2~3h;接着缓慢滴加八甲基环四硅烷和乙醇,降温至40~43℃,加入乙二醛终止反应,出料即得改性苯丙乳液表面施胶剂。
5.根据权利要求4所述的一种白面牛卡纸,其特征在于:所述苯乙烯和丙烯酸丁酯的质量比为1:0.8~1.2;3-(N-烯丙基氨基)丙基三甲氧基硅烷加入量为总单体质量的30~42%;N-烯丙基-N-二氯乙酰间三氟甲基苯胺入量为总单体质量的26~32%;八甲基环四硅烷与3-(N-烯丙基氨基)丙基三甲氧基硅烷的质量比为2.5~3.6:1。
6.根据权利要求1所述的一种白面牛卡纸,其特征在于:所述表面层克重为36~45g/m2,所述芯层克重为58~76g/m2,所述底层克重为60~92g/m2;所述涂布层的涂覆量是10~15g/m2。
7.根据权利要求1所述的一种白面牛卡纸,其特征在于:所述涂布层原料组份还包括4~8重量份脱水长叶九里香内酯。
8.权利要求1~7任一项所述的白面牛卡纸的制备方法,包括:
利用底层浆料、芯层浆料和表面层浆料抄造由底层、芯层和表面层组成的复合纸层;
将所述复合纸层进行后处理,获得复合原纸;
采用气帘涂布工艺在所述复合原纸的表面层表面涂覆涂布层,获得白面牛卡纸。
9.根据权利要求8所述的白面牛卡纸的制备方法,其特征在于:所述表面层采用木浆和漂白脱墨浆,芯层采用漂白脱墨浆,底层采用OCC废纸原料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110914389.0A CN113584944B (zh) | 2021-08-10 | 2021-08-10 | 白面牛卡纸及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110914389.0A CN113584944B (zh) | 2021-08-10 | 2021-08-10 | 白面牛卡纸及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113584944A true CN113584944A (zh) | 2021-11-02 |
CN113584944B CN113584944B (zh) | 2022-11-01 |
Family
ID=78257116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110914389.0A Active CN113584944B (zh) | 2021-08-10 | 2021-08-10 | 白面牛卡纸及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113584944B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114592374A (zh) * | 2022-03-29 | 2022-06-07 | 江苏博汇纸业有限公司 | 一种纸板纤维层的吸水性改良方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104341943A (zh) * | 2014-10-14 | 2015-02-11 | 凤阳徽亨商贸有限公司 | 一种防火阻燃型玻璃门用涂料及其制备方法 |
CN109988445A (zh) * | 2019-04-09 | 2019-07-09 | 浙江国能科技有限公司 | 一种去水去污去渍的超级水性涂料 |
CN110041821A (zh) * | 2019-04-30 | 2019-07-23 | 刘优 | 一种涂覆改性型聚酰亚胺漆包线漆材料的制备方法 |
CN111705550A (zh) * | 2020-06-17 | 2020-09-25 | 广州威科多工业科技有限公司 | 一种白面牛卡纸及其制备方法 |
-
2021
- 2021-08-10 CN CN202110914389.0A patent/CN113584944B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104341943A (zh) * | 2014-10-14 | 2015-02-11 | 凤阳徽亨商贸有限公司 | 一种防火阻燃型玻璃门用涂料及其制备方法 |
CN109988445A (zh) * | 2019-04-09 | 2019-07-09 | 浙江国能科技有限公司 | 一种去水去污去渍的超级水性涂料 |
CN110041821A (zh) * | 2019-04-30 | 2019-07-23 | 刘优 | 一种涂覆改性型聚酰亚胺漆包线漆材料的制备方法 |
CN111705550A (zh) * | 2020-06-17 | 2020-09-25 | 广州威科多工业科技有限公司 | 一种白面牛卡纸及其制备方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114592374A (zh) * | 2022-03-29 | 2022-06-07 | 江苏博汇纸业有限公司 | 一种纸板纤维层的吸水性改良方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113584944B (zh) | 2022-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9133583B2 (en) | Process for making a stiffened paper | |
AU2008340642B2 (en) | Base paper for decorative coating materials | |
CA2739987C (en) | Multilayer paper coating comprising biopolymer and water vapor barrier layers | |
KR102370127B1 (ko) | 유연하고, 강하며 벌키한 티슈 | |
WO2015087293A1 (en) | Multiply paperboard | |
US8496784B2 (en) | Process for making a stiffened paper | |
CN109183487B (zh) | 一种食盐包装纸的制造方法 | |
CN113584944B (zh) | 白面牛卡纸及其制备方法 | |
US10161083B1 (en) | Soft creped tissue | |
El Gendy et al. | Preparation and application of chemically modified kaolin as fillers in Egyptian kraft bagasse pulp | |
CN112342839A (zh) | 一种微量涂布食品包装纸及其制作方法 | |
EP3417103A1 (en) | Sheet having improved dead-fold properties | |
CN110485211B (zh) | 一种高端光伏玻璃专用高性能间隔纸的制备方法 | |
Doelle et al. | Improvement of fiber fines retention and mechanical properties of board paper using corn and tapioca starch-a handsheet study | |
WO2019126848A1 (pt) | Papel kraftliner de fibra química curta | |
CN112482090B (zh) | 一种环保型抗油脂纸的生产方法 | |
JPH093795A (ja) | 耐水耐油紙 | |
US9890502B2 (en) | Tissue products comprising high carbohydrate content fillers | |
KR20220143949A (ko) | 셀룰로스 유도체의 용도 및 표면 사이징 방법 | |
CN108892751A (zh) | 一种羧甲基纤维素钠-双乙烯酮接枝共聚物的制备方法及应用 | |
JP4735271B2 (ja) | 光透過性を有する紙及び剥離紙 | |
CA3029879A1 (en) | Gypsum wallboard comprising laminated multi-ply paper cover sheets bonded with a non-ionic polymeric binder and methods | |
Torres et al. | Eukalinertm: the first 100% hardwood kraftliner in the world | |
RU2802868C2 (ru) | Способ получения многослойной бумаги | |
CN112695566A (zh) | 一种适用于抗回潮牛皮挂面箱板纸的施胶工艺 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |