CN107326745A - 一种抗菌包装纸 - Google Patents

一种抗菌包装纸 Download PDF

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CN107326745A
CN107326745A CN201710634458.6A CN201710634458A CN107326745A CN 107326745 A CN107326745 A CN 107326745A CN 201710634458 A CN201710634458 A CN 201710634458A CN 107326745 A CN107326745 A CN 107326745A
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parts
wrapping paper
powder
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paper
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李昌斌
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Ma'anshan Kang Hui Carton And Paper Product Co Ltd
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Ma'anshan Kang Hui Carton And Paper Product 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10Packing 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/02Material of vegetable origin
    • 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
    • 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
    • D21H17/20Macromolecular organic compounds
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • 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
    • D21H17/20Macromolecular organic compounds
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • D21H17/30Alginic acid or alginates
    • 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
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • 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
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/35Polyalkenes, e.g. polystyrene
    • 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
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/46Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/53Polyethers; Polyesters
    • 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
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675Oxides, hydroxides or carbonates

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  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

本发明公开了一种抗菌包装纸,涉及包装纸纸品技术领域,有如下原料组分制成:纸浆、超低密度聚乙烯、环氧大豆油、海藻酸钠、聚甘油脂肪酸酯、单硬脂酸甘油酯、聚合氧化铝、萜烯树脂、沸石粉、秸秆粉、溶菌酶5‑20份、山梨酸钾、甘油、玉米糖浆、鲸蜡醇、茶籽粉、2‑甲基咪唑、分子筛原粉、钛酸酯偶联剂、水性硅酮树脂、氢化松香季戊四醇酯;本发明制备抗菌包装纸选用材料安全无毒,对环境无污染,适用抗菌物品包装使用,包装纸不吸油、不吸水,且表层聚乙烯薄膜更进一步减少包装纸吸水、吸油、防菌类污染,当包装纸包装物品长期存储不会有菌腐蚀物品,包装纸还具有抗氧化功能,因此包装纸不会被氧化而变色、褪色等。

Description

一种抗菌包装纸
技术领域:
本发明涉及包装纸纸品技术领域,具体涉及一种抗菌包装纸。
背景技术:
包装纸包装功能有包装用原纸和纸板,通常会做成纸箱、隔板、纸袋和纸盒,牛皮纸、鸡皮纸、条纹牛皮纸、牛皮卡纸、衬纸、箱板纸、瓦楞纸、蜂窝纸板等。
包装纸具有相应的特殊性能包装纸中,如水泥、化肥等用的纸袋纸,一般均用3-4层以上纸制成,故又称为多层纸袋纸,以区别于包装轻细商品的其他袋纸。这类包装纸主要要求强度高、耐重载、抗冲击,并有适当的透气度。食品包装纸的品种规格最多。并分为内包装用及外包装用两大类。直接接触食品的称为内包装纸,主要要求清洁,不带病菌,具有防潮、抗菌、防粘、防霉等特性。外包装纸主要为了美化和保护商品,除要求一定物理强度外,还需洁净美观,适于印刷多色的商品图案和文字。供牛奶、菜汁等液体饮料的包装纸,还必须具有极好防渗透性。为了能较长期保存、保鲜的需要,发展了纸与金属薄膜复合、纸与塑料及金属薄膜复合的特种饮料软包装纸(见食品包装容器)。为适应金属仪器及工具的抗菌需要,发展了抗菌纸。纸板中绝大部分也是供商品包装用的,主要用于制造纸箱、纸盒和包装衬垫。
对于包装纸的需求,生活中出现各种类型,本发明制备一种抗菌包装纸。
发明内容:
本发明所要解决的技术问题在于提供一种抗菌包装纸,安全无毒、适用于需要抗菌物品的包装。
本发明所要解决的技术问题采用以下的技术方案来实现:
一种抗菌包装纸,有如下重量份数的原料组分制成:
纸浆1-40份、超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份、秸秆粉2-10份、溶菌酶5-20份、山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份、氢化松香季戊四醇酯5-10份。
所述水性硅酮树脂由硅酮树脂改性而成,其改性方法为:向15-20份硅酮树脂中加入3-5份松节油、2-3份阳离子聚丙烯酰胺和0.5-1份聚二甲基二烯丙基氯化铵,充分混合后于微波频率2450MHz、功率700W下微波处理5min,再加入1-2份氢化蓖麻油、0.5-1份聚苯乙烯磺酸钠和0.5-1份N-甲基二乙醇胺,混合均匀后继续微波处理5min,微波处理结束后立即转入0-5℃环境中密封静置3h,然后加热至125-130℃保温混合15min,向所得混合物中加入60-80份0-5℃冷水,充分混合后静置1h,随后加热至回流状态保温混合30min,并自然冷却至室温,最后送入喷雾干燥机中,干燥所得颗粒即为水性硅酮树脂。
硅酮树脂经过上述改性制得水性硅酮树脂,以便用水作为溶剂制备水性处理剂,避免使用有机溶剂溶解和促溶硅酮树脂存在的有机溶剂挥发后污染环境和危害人体健康的问题。
所述钛酸酯复合物偶联剂制备方法如下:将反应瓶预先烘烤-抽真空脱水3次,称取2-6份丙烯酸丁酯、2-9份苯乙烯、1-5份甲苯、0.1-1份BPO、1-4份钛酸酯,依次加入反应瓶中,通氮气保护下,搅拌加热至60-90℃,反应1-2h,将0.1-0.5份马来酸苷、1-4份苯乙烯、2-10份BPO丙酮溶液滴加至反应瓶中,2h滴加完,保温反应1-3h,将反应液加入乙醇溶液中沉淀,抽滤,沉淀物用1-5份丙酮重新溶解,1-4份乙醇沉淀,抽滤,将固体产物放入真空烘烤箱中,60-90℃下干燥6-10h,得到偶联剂前驱体Ⅰ,置于干燥器中备用;将反应瓶预先烘烤-真空脱水3次,加入1-5份二氯乙胺,称取1-5份偶联剂前驱体Ⅰ、2-6份三乙胺、0.1-1份γ-氨丙基三乙氧基硅烷依次加入反应瓶中,氮气保护下搅拌,室温反应6-24h,将反应液加入乙醇中沉淀、抽滤、用1-6份二氯甲烷重新溶解固体,用1-5份乙醇沉淀、抽滤,将固体产物放入真空干燥箱中,在50-80℃下干燥5-10h,得到钛酸酯复合物偶联剂,置于干燥器中备用。
优选的,其制备方法如下:
(1)将超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份加入到5倍去离子水中加热至50-100℃将其熔融,室温静置冷却30-60min,后加入山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份,后200-1000rpm/min搅拌,得到溶解均匀的超低密度聚乙烯溶液;
(2)搅拌下向制备的超低密度聚乙烯溶液中加入纸浆1-40份、秸秆粉2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份升温至30-50℃搅拌15-60min,再加入酸或碱物质调节PH值至6-8,再100-500rpm/min 30-60℃保温搅拌20-60min,后静置室温冷却,得到混合溶液;
(3)向高速混合机中加入步骤3混合溶液、超低密度聚乙烯溶液、步骤1浓溶液、溶菌酶5-20份、氢化松香季戊四醇酯5-10份和剩余去离子水,1000-3000rpm/min搅拌均匀,充分搅拌使其混合均匀,得到纸浆液;
(4)将纸浆液2000-5000rpm/min再次匀质分散10-20min,再加入酸或碱物质调节PH值至6-8,再1000-5000rpm/min 20-40℃保温搅拌20-40min,后静置室温冷却,后将混匀纸浆液加入密炼机,密炼机10-30min后转入挤出机中,于150-200℃下熔融挤出纸浆液,最后经自然冷却至室温成包装纸物料;
(5)将包装纸物料放入包转纸生产设备一体生产线,生产包装纸,包装纸生产后通过刷膜机在表层刷一层聚乙烯薄膜。
本发明的有益效果是:本发明所制备抗菌包装纸选用材料安全无毒,对环境无污染,更适用于抗菌物品包装使用,包装纸不吸油、不吸水,且表层聚乙烯薄膜更进一步减少包装纸吸水、吸油、防菌类污染,包装纸具有抑菌作用,当包装纸包装物品长期存储不会有菌腐蚀物品,包装纸还具有抗氧化功能,包装纸长期使用接触空气或阳光,不会发生氧化现象,因此包装纸不会被氧化变色、褪色等。
具体实施方式:
为了使本发明实现的技术方法,创作特征,达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
一种抗菌包装纸:
有如下重量份数的原料组分制成:
纸浆1-40份、超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份、秸秆粉2-10份、溶菌酶5-20份、山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份、氢化松香季戊四醇酯5-10份。
所述水性硅酮树脂由硅酮树脂改性而成,其改性方法为:向15-20份硅酮树脂中加入3-5份松节油、2-3份阳离子聚丙烯酰胺和0.5-1份聚二甲基二烯丙基氯化铵,充分混合后于微波频率2450MHz、功率700W下微波处理5min,再加入1-2份氢化蓖麻油、0.5-1份聚苯乙烯磺酸钠和0.5-1份N-甲基二乙醇胺,混合均匀后继续微波处理5min,微波处理结束后立即转入0-5℃环境中密封静置3h,然后加热至125-130℃保温混合15min,向所得混合物中加入60-80份0-5℃冷水,充分混合后静置1h,随后加热至回流状态保温混合30min,并自然冷却至室温,最后送入喷雾干燥机中,干燥所得颗粒即为水性硅酮树脂。
硅酮树脂经过上述改性制得水性硅酮树脂,以便用水作为溶剂制备水性处理剂,避免使用有机溶剂溶解和促溶硅酮树脂存在的有机溶剂挥发后污染环境和危害人体健康的问题。
所述钛酸酯复合物偶联剂制备方法如下:将反应瓶预先烘烤-抽真空脱水3次,称取2-6份丙烯酸丁酯、2-9份苯乙烯、1-5份甲苯、0.1-1份BPO、1-4份钛酸酯,依次加入反应瓶中,通氮气保护下,搅拌加热至60-90℃,反应1-2h,将0.1-0.5份马来酸苷、1-4份苯乙烯、2-10份BPO丙酮溶液滴加至反应瓶中,2h滴加完,保温反应1-3h,将反应液加入乙醇溶液中沉淀,抽滤,沉淀物用1-5份丙酮重新溶解,1-4份乙醇沉淀,抽滤,将固体产物放入真空烘烤箱中,60-90℃下干燥6-10h,得到偶联剂前驱体Ⅰ,置于干燥器中备用;将反应瓶预先烘烤-真空脱水3次,加入1-5份二氯乙胺,称取1-5份偶联剂前驱体Ⅰ、2-6份三乙胺、0.1-1份γ-氨丙基三乙氧基硅烷依次加入反应瓶中,氮气保护下搅拌,室温反应6-24h,将反应液加入乙醇中沉淀、抽滤、用1-6份二氯甲烷重新溶解固体,用1-5份乙醇沉淀、抽滤,将固体产物放入真空干燥箱中,在50-80℃下干燥5-10h,得到钛酸酯复合物偶联剂,置于干燥器中备用。
优选的,其制备方法如下:
(1)将超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份加入到5倍去离子水中加热至50-100℃将其熔融,室温静置冷却30-60min,后加入山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份,后200-1000rpm/min搅拌,得到溶解均匀的超低密度聚乙烯溶液;
(2)搅拌下向制备的超低密度聚乙烯溶液中加入纸浆1-40份、秸秆粉2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份升温至30-50℃搅拌15-60min,再加入酸或碱物质调节PH值至6-8,再100-500rpm/min 30-60℃保温搅拌20-60min,后静置室温冷却,得到混合溶液;
(3)向高速混合机中加入步骤3混合溶液、超低密度聚乙烯溶液、步骤1浓溶液、溶菌酶5-20份、氢化松香季戊四醇酯5-10份和剩余去离子水,1000-3000rpm/min搅拌均匀,充分搅拌使其混合均匀,得到纸浆液;
(4)将纸浆液2000-5000rpm/min再次匀质分散10-20min,再加入酸或碱物质调节PH值至6-8,再1000-5000rpm/min 20-40℃保温搅拌20-40min,后静置室温冷却,后将混匀纸浆液加入密炼机,密炼机10-30min后转入挤出机中,于150-200℃下熔融挤出纸浆液,最后经自然冷却至室温成包装纸物料;
(5)将包装纸物料放入包转纸生产设备一体生产线,生产包装纸,包装纸生产后通过刷膜机在表层刷一层聚乙烯薄膜。
实施例2
一种抗菌包装纸:
有如下重量份数的原料组分制成:
纸浆1-40份、超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份、秸秆粉2-10份、溶菌酶5-20份、山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份、氢化松香季戊四醇酯5-10份。
所述水性硅酮树脂由硅酮树脂改性而成,其改性方法为:向15-20份硅酮树脂中加入3-5份松节油、2-3份阳离子聚丙烯酰胺和0.5-1份聚二甲基二烯丙基氯化铵,充分混合后于微波频率2450MHz、功率700W下微波处理5min,再加入1-2份氢化蓖麻油、0.5-1份聚苯乙烯磺酸钠和0.5-1份N-甲基二乙醇胺,混合均匀后继续微波处理5min,微波处理结束后立即转入0-5℃环境中密封静置3h,然后加热至125-130℃保温混合15min,向所得混合物中加入60-80份0-5℃冷水,充分混合后静置1h,随后加热至回流状态保温混合30min,并自然冷却至室温,最后送入喷雾干燥机中,干燥所得颗粒即为水性硅酮树脂。
硅酮树脂经过上述改性制得水性硅酮树脂,以便用水作为溶剂制备水性处理剂,避免使用有机溶剂溶解和促溶硅酮树脂存在的有机溶剂挥发后污染环境和危害人体健康的问题。
所述钛酸酯复合物偶联剂制备方法如下:将反应瓶预先烘烤-抽真空脱水3次,称取2-6份丙烯酸丁酯、2-9份苯乙烯、1-5份甲苯、0.1-1份BPO、1-4份钛酸酯,依次加入反应瓶中,通氮气保护下,搅拌加热至60-90℃,反应1-2h,将0.1-0.5份马来酸苷、1-4份苯乙烯、2-10份BPO丙酮溶液滴加至反应瓶中,2h滴加完,保温反应1-3h,将反应液加入乙醇溶液中沉淀,抽滤,沉淀物用1-5份丙酮重新溶解,1-4份乙醇沉淀,抽滤,将固体产物放入真空烘烤箱中,60-90℃下干燥6-10h,得到偶联剂前驱体Ⅰ,置于干燥器中备用;将反应瓶预先烘烤-真空脱水3次,加入1-5份二氯乙胺,称取1-5份偶联剂前驱体Ⅰ、2-6份三乙胺、0.1-1份γ-氨丙基三乙氧基硅烷依次加入反应瓶中,氮气保护下搅拌,室温反应6-24h,将反应液加入乙醇中沉淀、抽滤、用1-6份二氯甲烷重新溶解固体,用1-5份乙醇沉淀、抽滤,将固体产物放入真空干燥箱中,在50-80℃下干燥5-10h,得到钛酸酯复合物偶联剂,置于干燥器中备用。
优选的,其制备方法如下:
(1)将超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份加入到5倍去离子水中加热至50-100℃将其熔融,室温静置冷却30-60min,后加入山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份,后200-1000rpm/min搅拌,得到溶解均匀的超低密度聚乙烯溶液;
(2)搅拌下向制备的超低密度聚乙烯溶液中加入纸浆1-40份、秸秆粉2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份升温至30-50℃搅拌15-60min,再加入酸或碱物质调节PH值至6-8,再100-500rpm/min 30-60℃保温搅拌20-60min,后静置室温冷却,得到混合溶液;
(3)向高速混合机中加入步骤3混合溶液、超低密度聚乙烯溶液、步骤1浓溶液、溶菌酶5-20份、氢化松香季戊四醇酯5-10份和剩余去离子水,1000-3000rpm/min搅拌均匀,充分搅拌使其混合均匀,得到纸浆液;
(4)将纸浆液2000-5000rpm/min再次匀质分散10-20min,再加入酸或碱物质调节PH值至6-8,再1000-5000rpm/min 20-40℃保温搅拌20-40min,后静置室温冷却,后将混匀纸浆液加入密炼机,密炼机10-30min后转入挤出机中,于150-200℃下熔融挤出纸浆液,最后经自然冷却至室温成包装纸物料;
(5)将包装纸物料放入包转纸生产设备一体生产线,生产包装纸,包装纸生产后通过刷膜机在表层刷一层聚乙烯薄膜。
对本发明提供的实施例中分别进行试验考察,将实施例1和实施例2所制一种抗菌包装纸进行考察,结果如表1所示;
抗菌实验如表2,其中A和B组分别为实施例1和实施例2,C组为普通包装纸,观察每24h抑菌情况。
表1所制抗菌包装纸考察结果
沙门菌属
致病性大肠杆菌
空肠弯曲菌属
变形杆菌属
金黄色葡萄球菌
结论:由上述实验结果可知:抗菌包装纸对每种菌株抑菌作用比普通包装纸强;且该抗菌包装纸对每种菌株均起到抑菌作用;随着时间延长,抗菌包装纸对菌株抑制作用不减弱,至少在5天内都能起到有效作用。
参照各项检测方法检测该发明制备的抗菌包装纸选用材料安全无毒,对环境无污染,更适用于抗菌物品包装使用,包装纸不吸油、不吸水,且表层聚乙烯薄膜更进一步减少包装纸吸水、吸油、菌类污染,包装纸具有抑菌作用,当包装纸包装物品长期存储不会有菌腐蚀物品,包装纸还具有抗氧化功能,包装纸长期使用接触空气或阳光,不会发生氧化现象,因此包装纸不会被氧化变色、褪色等。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (4)

1.一种抗菌包装纸,其特征在于,有如下重量份数的原料制成:
有如下重量份数的原料组分制成:纸浆1-40份、超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份、秸秆粉2-10份、溶菌酶5-20份、山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份、氢化松香季戊四醇酯5-10份。
2.根据权利要求1所述的抗菌包装纸,其特征在于,所述水性硅酮树脂由硅酮树脂改性而成,其改性方法为:向15-20份硅酮树脂中加入3-5份松节油、2-3份阳离子聚丙烯酰胺和0.5-1份聚二甲基二烯丙基氯化铵,充分混合后于微波频率2450MHz、功率700W下微波处理5min,再加入1-2份氢化蓖麻油、0.5-1份聚苯乙烯磺酸钠和0.5-1份N-甲基二乙醇胺,混合均匀后继续微波处理5min,微波处理结束后立即转入0-5℃环境中密封静置3h,然后加热至125-130℃保温混合15min,向所得混合物中加入60-80份0-5℃冷水,充分混合后静置1h,随后加热至回流状态保温混合30min,并自然冷却至室温,最后送入喷雾干燥机中,干燥所得颗粒即为水性硅酮树脂。
3.根据权利要求2所述的抗菌包装纸,其特征在于:所述钛酸酯复合物偶联剂制备方法如下:将反应瓶预先烘烤-抽真空脱水3次,称取2-6份丙烯酸丁酯、2-9份苯乙烯、1-5份甲苯、0.1-1份BPO、1-4份钛酸酯,依次加入反应瓶中,通氮气保护下,搅拌加热至60-90℃,反应1-2h,将0.1-0.5份马来酸苷、1-4份苯乙烯、2-10份BPO丙酮溶液滴加至反应瓶中,2h滴加完,保温反应1-3h,将反应液加入乙醇溶液中沉淀,抽滤,沉淀物用1-5份丙酮重新溶解,1-4份乙醇沉淀,抽滤,将固体产物放入真空烘烤箱中,60-90℃下干燥6-10h,得到偶联剂前驱体Ⅰ,置于干燥器中备用;将反应瓶预先烘烤-真空脱水3次,加入1-5份二氯乙胺,称取1-5份偶联剂前驱体Ⅰ、2-6份三乙胺、0.1-1份γ-氨丙基三乙氧基硅烷依次加入反应瓶中,氮气保护下搅拌,室温反应6-24h,将反应液加入乙醇中沉淀、抽滤、用1-6份二氯甲烷重新溶解固体,用1-5份乙醇沉淀、抽滤,将固体产物放入真空干燥箱中,在50-80℃下干燥5-10h,得到钛酸酯复合物偶联剂,置于干燥器中备用。
4.根据权利要求3所述的抗菌包装纸,其特征在于:优选的,其制备方法如下:
(1)将超低密度聚乙烯5-12份、环氧大豆油15-30份、海藻酸钠15-30份、聚甘油脂肪酸酯2-10份、单硬脂酸甘油酯2-10份、聚合氧化铝2-10份、萜烯树脂5-20份、沸石粉2-10份加入到5倍去离子水中加热至50-100℃将其熔融,室温静置冷却30-60min,后加入山梨酸钾2-10份、甘油2-8份、玉米糖浆2-10份,后200-1000rpm/min搅拌,得到溶解均匀的超低密度聚乙烯溶液;
(2)搅拌下向制备的超低密度聚乙烯溶液中加入纸浆1-40份、秸秆粉2-10份、鲸蜡醇1-2份、茶籽粉0.5-1份、2-甲基咪唑0.5-1份、分子筛原粉0.5-1份、钛酸酯偶联剂0.3-0.5份、水性硅酮树脂70-80份升温至30-50℃搅拌15-60min,再加入酸或碱物质调节PH值至6-8,再100-500rpm/min 30-60℃保温搅拌20-60min,后静置室温冷却,得到混合溶液;
(3)向高速混合机中加入步骤3混合溶液、超低密度聚乙烯溶液、步骤1浓溶液、溶菌酶5-20份、氢化松香季戊四醇酯5-10份和剩余去离子水,1000-3000rpm/min搅拌均匀,充分搅拌使其混合均匀,得到纸浆液;
(4)将纸浆液2000-5000rpm/min再次匀质分散10-20min,再加入酸或碱物质调节PH值至6-8,再1000-5000rpm/min 20-40℃保温搅拌20-40min,后静置室温冷却,后将混匀纸浆液加入密炼机,密炼机10-30min后转入挤出机中,于150-200℃下熔融挤出纸浆液,最后经自然冷却至室温成包装纸物料;
(5)将包装纸物料放入包转纸生产设备一体生产线,生产包装纸,包装纸生产后通过刷膜机在表层刷一层聚乙烯薄膜。
CN201710634458.6A 2017-07-29 2017-07-29 一种抗菌包装纸 Pending CN107326745A (zh)

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