CN113234247A - 一种聚偏二氯乙烯涂布纤维素膜及其制造方法 - Google Patents
一种聚偏二氯乙烯涂布纤维素膜及其制造方法 Download PDFInfo
- Publication number
- CN113234247A CN113234247A CN202110521962.1A CN202110521962A CN113234247A CN 113234247 A CN113234247 A CN 113234247A CN 202110521962 A CN202110521962 A CN 202110521962A CN 113234247 A CN113234247 A CN 113234247A
- Authority
- CN
- China
- Prior art keywords
- polyvinylidene chloride
- coating
- emulsion
- cellulose membrane
- manufacturing
- 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.)
- Pending
Links
- 229920001328 Polyvinylidene chloride Polymers 0.000 title claims abstract description 76
- 239000001913 cellulose Substances 0.000 title claims abstract description 76
- 229920002678 cellulose Polymers 0.000 title claims abstract description 76
- 239000005033 polyvinylidene chloride Substances 0.000 title claims abstract description 76
- 239000012528 membrane Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 77
- 238000000576 coating method Methods 0.000 claims abstract description 77
- 239000000839 emulsion Substances 0.000 claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 10
- 229920002635 polyurethane Polymers 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000004816 latex Substances 0.000 claims abstract description 8
- 229920000126 latex Polymers 0.000 claims abstract description 8
- 239000011247 coating layer Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 29
- 238000001035 drying Methods 0.000 claims description 26
- 239000002987 primer (paints) Substances 0.000 claims description 24
- 238000007759 kiss coating Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000012748 slip agent Substances 0.000 claims description 5
- 238000003851 corona treatment Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 239000013615 primer Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000012790 adhesive layer Substances 0.000 abstract 1
- 235000013305 food Nutrition 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 231100000956 nontoxicity Toxicity 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000009512 pharmaceutical packaging Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/42—Applications of coated or impregnated materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or 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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on homopolymers or 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/08—Homopolymers or copolymers of vinylidene chloride
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/08—Homopolymers or copolymers of vinylidene chloride
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明公开了一种聚偏二氯乙烯涂布纤维素膜及其制造方法,涉及纤维素膜技术领域,具体为基材、涂料层和底胶层,所述基材为纤维素膜,所述底胶层是溶剂型聚氨酯形成的涂层,所述聚偏二氯乙烯乳胶由含有下述重量含量的原料配制成:90‑99.9%的聚偏二氯乙烯乳液、0.02‑2%二氧化硅浆料、0.02‑2%的爽滑剂。该聚偏二氯乙烯涂布纤维素膜及其制造方法,以纤维素膜为基材于其表面涂覆特制聚偏二氯乙烯乳液并烘干后的涂布薄膜表面形成抗氧化抗水性的胶层,具有超强的氧气、水蒸气阻隔性能,而由于纤维素膜是植物纤维制成,可降解、可回收再生利用,干燥后燃烧时不产生有害于环境及人体健康的物质,解决了食品、药品软包装的可降解性难的难题。
Description
技术领域
本发明涉及纤维素膜技术领域,具体为一种聚偏二氯乙烯涂布纤维素膜及其制造方法。
背景技术
纤维素膜具有环保、无毒、易降解等优异的性能,因此,应用较为普遍,故而被尝试用于食品、药品的阻隔性包装上,但由于其易受潮的原因还是无法被广泛推广使用。
现有的纤维素膜基膜使用时易受潮,阻隔性能薄弱,不适合直接用于食品药品包装,使得该类材料在软包装上的应用问题,成了目前最重要的技术屏颈。
发明内容
针对现有技术的不足,本发明提供了一种聚偏二氯乙烯涂布纤维素膜及其制造方法,解决了上述背景技术中提出现有的纤维素膜基膜使用时易受潮,阻隔性能薄弱,不适合直接用于食品药品包装,使得该类材料在软包装上的应用问题,成了目前最重要的技术屏颈的问题。
为实现以上目的,本发明通过以下技术方案予以实现:一种聚偏二氯乙烯涂布纤维素膜,包括基材、涂料层和底胶层,所述基材为纤维素膜,所述底胶层是溶剂型聚氨酯形成的涂层,且底胶层位于基材表面,所述涂料层由聚偏二氯乙烯乳胶涂覆在底胶层表面并烘干后形成的涂层,所述聚偏二氯乙烯乳胶由含有下述重量含量的原料配制成:90-99.9%的聚偏二氯乙烯乳液、0.02-2%二氧化硅浆料、0.02-2%的爽滑剂。
可选的,所述涂料层可以在基材的一个面,也可以在基材的两个面同时存在,而聚偏二氯乙烯乳液的固含量为38-51%。
一种聚偏二氯乙烯涂布纤维素膜的制造方法,包括下述操作步骤:
S1、基材处理:
纤维素膜表面冲洗烘干后置于无尘环境内储存,且不需电晕处理;
S2、特制聚偏二氯乙烯乳液制备:
按重量份分别准备固含量为50%的聚偏二氯乙烯乳液95份、滑爽剂0-15份、二氧化硅浆料0.1-5份,先将聚偏二氯乙烯乳液加至料桶内搅拌,将二氧化硅:水=1:30浓度3.23%的二氧化硅浆料配好的溶液置于添加剂料桶中,边搅拌边将二氧化硅浆料倒入乳液中,继续搅拌,取浓度25%的爽滑剂,用相同的方法继续倒入乳液料桶中混合搅拌,完成后取出涂料获得特制聚偏二氯乙烯乳液;
S3、上胶涂布:
开启涂布机,将S1步骤中的纤维素膜放卷于涂布机上,用逆转辊吻式涂布方式将溶剂型的聚氨酯底胶涂布在基材的一个面上并烘干;
S4、二次上胶涂布:
用逆转辊吻式涂布方式将配置好的特制聚偏二氯乙烯乳液涂布到底胶涂层上并烘干;
S5、涂布固化:
涂布完成后放置固化室内进行固化,即制得聚偏二氯乙烯涂布纤维素膜。
可选的,所述步骤S1中,纤维素膜的烘干温度为40-55℃,直至烘干至纤维素膜表面无残留水分。
可选的,所述步骤S2中,料桶的搅拌速度100转/分钟,且温度控制在常温23℃-25℃。
可选的,所述步骤S2中,二氧化硅浆料倒入乳液中搅拌10-15分钟,而爽滑剂加入后需再继续搅拌30-40分钟。
可选的,所述步骤S3中,烘干温度控制在80℃,机速控制在180米/分钟,涂布量为0.35g/m2。
可选的,所述步骤S4中,涂布速度180米/分钟,烘干温度120℃,涂布量为3.2g/m2。
可选的,所述步骤S5中,固化室温度23℃-33℃,固化时间控制在72小时。
本发明提供了一种聚偏二氯乙烯涂布纤维素膜及其制造方法,具备以下有益效果:
该聚偏二氯乙烯涂布纤维素膜及其制造方法,以纤维素膜为基材于其表面涂覆特制聚偏二氯乙烯乳液并烘干后的涂布薄膜表面形成抗氧化抗水性的胶层,具有超强的氧气、水蒸气阻隔性能,而由于纤维素膜是植物纤维制成,可降解、可回收再生利用,干燥后燃烧时不产生有害于环境及人体健康的物质,解决了食品、药品软包装的可降解性难的难题,且该薄膜透明度好,厚度薄、柔韧性好、环保、安全、无毒,消费者可以清楚的看到里面的包装物。
具体实施方式
下面将结合本发明实施例中,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。
本发明提供一种技术方案:一种聚偏二氯乙烯涂布纤维素膜,包括基材、涂料层和底胶层,基材为纤维素膜,底胶层是溶剂型聚氨酯形成的涂层,且底胶层位于基材表面,涂料层由聚偏二氯乙烯乳胶涂覆在底胶层表面并烘干后形成的涂层,聚偏二氯乙烯乳胶由含有下述重量含量的原料配制成:90-99.9%的聚偏二氯乙烯乳液、0.02-2%二氧化硅浆料、0.02-2%的爽滑剂。
涂料层可以在基材的一个面,也可以在基材的两个面同时存在,而聚偏二氯乙烯乳液的固含量为38-51%。
一种聚偏二氯乙烯涂布纤维素膜的制造方法,包括下述操作步骤:
S1、基材处理:
纤维素膜表面冲洗烘干后置于无尘环境内储存,且不需电晕处理;
S2、特制聚偏二氯乙烯乳液制备:
按重量份分别准备固含量为50%的聚偏二氯乙烯乳液95份、滑爽剂0-15份、二氧化硅浆料0.1-5份,先将聚偏二氯乙烯乳液加至料桶内搅拌,将二氧化硅:水=1:30浓度3.23%的二氧化硅浆料配好的溶液置于添加剂料桶中,边搅拌边将二氧化硅浆料倒入乳液中,继续搅拌,取浓度25%的爽滑剂,用相同的方法继续倒入乳液料桶中混合搅拌,完成后取出涂料获得特制聚偏二氯乙烯乳液;
S3、上胶涂布:
开启涂布机,将S1步骤中的纤维素膜放卷于涂布机上,用逆转辊吻式涂布方式将溶剂型的聚氨酯底胶涂布在基材的一个面上并烘干;
S4、二次上胶涂布:
用逆转辊吻式涂布方式将配置好的特制聚偏二氯乙烯乳液涂布到底胶涂层上并烘干;
S5、涂布固化:
涂布完成后放置固化室内进行固化,即制得聚偏二氯乙烯涂布纤维素膜。
步骤S1中,纤维素膜的烘干温度为40-55℃,直至烘干至纤维素膜表面无残留水分。
步骤S2中,料桶的搅拌速度100转/分钟,且温度控制在常温23℃-25℃。
步骤S2中,二氧化硅浆料倒入乳液中搅拌10-15分钟,而爽滑剂加入后需再继续搅拌30-40分钟。
步骤S3中,烘干温度控制在80℃,机速控制在180米/分钟,涂布量为0.35g/m2。
步骤S4中,涂布速度180米/分钟,烘干温度120℃,涂布量为3.2g/m2。
步骤S5中,固化室温度23℃-33℃,固化时间控制在72小时;
实施例一:
将250公斤固含量为50%的聚偏二氯乙烯乳液加至料桶内搅拌,搅拌速度100转/分钟,温度控制在常温23℃-25℃,将二氧化硅:水=1:30的浓度3.23%二氧化硅浆料配好的溶液取3000g,置于添加剂料桶中,边搅拌边将二氧化硅浆料倒入乳液中,继续搅拌,准确称取浓度25%的爽滑剂3000g,用相同的方法继续倒入乳液料桶中,搅拌30-40分钟完成,取出涂料,待涂布用。开启涂布机,将纤维素膜放卷于涂布机上,用逆转辊吻式涂布方式将溶剂型聚氨酯底胶涂布在基材的一个面上并烘干,烘箱温度控制在80℃,机速控制在180米/分钟,涂布量为0.35g/m2。再用逆转辊吻式涂布方式将配置好的溶液涂布到底胶涂层上并烘干,涂布速度180米/分钟,烘干温度120℃,涂布量为3.2g/m2。涂布完成后放置固化室内,固化温度23℃-33℃,经固化72小时后即制得聚偏二氯乙烯涂布纤维素膜。取聚偏二氯乙烯涂布纤维素膜性能测试,氧气透过率为0.805cm3/(m2.24hr),热封强度5.107N;
实施例二:
将200公斤固含量为50%的聚偏二氯乙烯乳液加至料桶内搅拌,搅拌速度200转/分钟,温度控制在常温23℃-25℃,将二氧化硅:水=1:30的浓度3.23%二氧化硅浆料配好的溶液取2400g,置于添加剂料桶中,边搅拌边将二氧化硅浆料倒入乳液中,继续搅拌,准确称取浓度25%的爽滑剂2400g,用相同的方法继续倒入乳液料桶中,搅拌20-30分钟完成,取出涂料,待涂布用。开启涂布机,将纤维素膜放卷于涂布机上,用逆转辊吻式涂布方式将溶剂型聚氨酯底胶涂布在基材的一个面上并烘干,烘箱温度控制在80℃,机速控制在190米/分钟,涂布量为0.35g/m2。再用逆转辊吻式涂布方式将配置好的溶液涂布到底胶涂层上并烘干,涂布速度190米/分钟,烘干温度120℃,涂布量为3.0g/m2。涂布完成后放置固化室内,固化温度23℃-33℃,经固化72小时后即制得聚偏二氯乙烯涂布纤维素膜。取聚偏二氯乙烯涂布纤维素膜性能测试,氧气透过率为1.821cm3/(m2.24hr),热封强度4.856N;
上述实施例中透氧检测条件为:23℃,0%RH;透水检测条件为:38℃,90%RH。
该聚偏二氯乙烯涂布纤维素膜及其制造方法,以纤维素膜为基材于其表面涂覆特制聚偏二氯乙烯乳液并烘干后的涂布薄膜表面形成抗氧化抗水性的胶层,具有超强的氧气、水蒸气阻隔性能,而由于纤维素膜是植物纤维制成,可降解、可回收再生利用,干燥后燃烧时不产生有害于环境及人体健康的物质,解决了食品、药品软包装的可降解性难的难题,且该薄膜透明度好,厚度薄、柔韧性好、环保、安全、无毒,消费者可以清楚的看到里面的包装物。
综上,该聚偏二氯乙烯涂布纤维素膜及其制造方法,使用时,下述操作步骤:
S1、基材处理:纤维素膜表面冲洗烘干后置于无尘环境内储存,且不需电晕处理;
S2、特制聚偏二氯乙烯乳液制备:按重量份分别准备固含量为50%的聚偏二氯乙烯乳液95份、滑爽剂0-15份、二氧化硅浆料0.1-5份,先将聚偏二氯乙烯乳液加至料桶内搅拌,将二氧化硅:水=1:30浓度3.23%的二氧化硅浆料配好的溶液置于添加剂料桶中,边搅拌边将二氧化硅浆料倒入乳液中,继续搅拌,取浓度25%的爽滑剂,用相同的方法继续倒入乳液料桶中混合搅拌,完成后取出涂料获得特制聚偏二氯乙烯乳液;
S3、上胶涂布:开启涂布机,将S1步骤中的纤维素膜放卷于涂布机上,用逆转辊吻式涂布方式将溶剂型的聚氨酯底胶涂布在基材的一个面上并烘干;
S4、二次上胶涂布:用逆转辊吻式涂布方式将配置好的特制聚偏二氯乙烯乳液涂布到底胶涂层上并烘干;
S5、涂布固化:涂布完成后放置固化室内进行固化,即制得聚偏二氯乙烯涂布纤维素膜;
该聚偏二氯乙烯涂布纤维素膜及其制造方法,以纤维素膜为基材于其表面涂覆特制聚偏二氯乙烯乳液并烘干后的涂布薄膜表面形成抗氧化抗水性的胶层,具有超强的氧气、水蒸气阻隔性能,而由于纤维素膜是植物纤维制成,可降解、可回收再生利用,干燥后燃烧时不产生有害于环境及人体健康的物质,解决了食品、药品软包装的可降解性难的难题,且该薄膜透明度好,厚度薄、柔韧性好、环保、安全、无毒,消费者可以清楚的看到里面的包装物。
以上,仅为本发明较佳的具体实施方式,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,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (9)
1.一种聚偏二氯乙烯涂布纤维素膜,包括基材、涂料层和底胶层,其特征在于:所述基材为纤维素膜,所述底胶层是溶剂型聚氨酯形成的涂层,且底胶层位于基材表面,所述涂料层由聚偏二氯乙烯乳胶涂覆在底胶层表面并烘干后形成的涂层,所述聚偏二氯乙烯乳胶由含有下述重量含量的原料配制成:90-99.9%的聚偏二氯乙烯乳液、0.02-2%二氧化硅浆料、0.02-2%的爽滑剂。
2.根据权利要求1所述一种聚偏二氯乙烯涂布纤维素膜,其特征在于:所述涂料层可以在基材的一个面,也可以在基材的两个面同时存在,而聚偏二氯乙烯乳液的固含量为38-51%。
3.根据权利要求1所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:包括下述操作步骤:
S1、基材处理:
纤维素膜表面冲洗烘干后置于无尘环境内储存,且不需电晕处理;
S2、特制聚偏二氯乙烯乳液制备:
按重量份分别准备固含量为50%的聚偏二氯乙烯乳液95份、滑爽剂0-15份、二氧化硅浆料0.1-5份,先将聚偏二氯乙烯乳液加至料桶内搅拌,将二氧化硅:水=1:30浓度3.23%的二氧化硅浆料配好的溶液置于添加剂料桶中,边搅拌边将二氧化硅浆料倒入乳液中,继续搅拌,取浓度25%的爽滑剂,用相同的方法继续倒入乳液料桶中混合搅拌,完成后取出涂料获得特制聚偏二氯乙烯乳液;
S3、上胶涂布:
开启涂布机,将S1步骤中的纤维素膜放卷于涂布机上,用逆转辊吻式涂布方式将溶剂型的聚氨酯底胶涂布在基材的一个面上并烘干;
S4、二次上胶涂布:
用逆转辊吻式涂布方式将配置好的特制聚偏二氯乙烯乳液涂布到底胶涂层上并烘干;
S5、涂布固化:
涂布完成后放置固化室内进行固化,即制得聚偏二氯乙烯涂布纤维素膜。
4.根据权利要求3所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:所述步骤S1中,纤维素膜的烘干温度为40-55℃,直至烘干至纤维素膜表面无残留水分。
5.根据权利要求3所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:所述步骤S2中,料桶的搅拌速度100转/分钟,且温度控制在常温23℃-25℃。
6.根据权利要求3所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:所述步骤S2中,二氧化硅浆料倒入乳液中搅拌10-15分钟,而爽滑剂加入后需再继续搅拌30-40分钟。
7.根据权利要求3所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:所述步骤S3中,烘干温度控制在80℃,机速控制在180米/分钟,涂布量为0.35g/m2。
8.根据权利要求3所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:所述步骤S4中,涂布速度180米/分钟,烘干温度120℃,涂布量为3.2g/m2。
9.根据权利要求3所述一种聚偏二氯乙烯涂布纤维素膜的制造方法,其特征在于:所述步骤S5中,固化室温度23℃-33℃,固化时间控制在72小时。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110521962.1A CN113234247A (zh) | 2021-05-13 | 2021-05-13 | 一种聚偏二氯乙烯涂布纤维素膜及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110521962.1A CN113234247A (zh) | 2021-05-13 | 2021-05-13 | 一种聚偏二氯乙烯涂布纤维素膜及其制造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113234247A true CN113234247A (zh) | 2021-08-10 |
Family
ID=77134031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110521962.1A Pending CN113234247A (zh) | 2021-05-13 | 2021-05-13 | 一种聚偏二氯乙烯涂布纤维素膜及其制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113234247A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115976875A (zh) * | 2023-03-17 | 2023-04-18 | 山东中科恒联生物基材料有限公司 | 一种溶剂法功能性再生纤维素膜的连续式生产方法 |
WO2023236784A1 (zh) * | 2022-06-08 | 2023-12-14 | 山东恒联新材料股份有限公司 | 一种阻隔热封纤维素膜及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102380998A (zh) * | 2011-07-12 | 2012-03-21 | 海南赛诺实业有限公司 | 一种耐蒸煮聚偏二氯乙烯涂布薄膜及其制造方法 |
CN102730307A (zh) * | 2012-07-12 | 2012-10-17 | 云南绅博源生物科技有限公司 | 一种可降解卷烟透明包装材料 |
US20160229160A1 (en) * | 2013-10-18 | 2016-08-11 | Innovia Films Limited | Polyvinylidene chloride coated substrates |
-
2021
- 2021-05-13 CN CN202110521962.1A patent/CN113234247A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102380998A (zh) * | 2011-07-12 | 2012-03-21 | 海南赛诺实业有限公司 | 一种耐蒸煮聚偏二氯乙烯涂布薄膜及其制造方法 |
CN102730307A (zh) * | 2012-07-12 | 2012-10-17 | 云南绅博源生物科技有限公司 | 一种可降解卷烟透明包装材料 |
US20160229160A1 (en) * | 2013-10-18 | 2016-08-11 | Innovia Films Limited | Polyvinylidene chloride coated substrates |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023236784A1 (zh) * | 2022-06-08 | 2023-12-14 | 山东恒联新材料股份有限公司 | 一种阻隔热封纤维素膜及其制备方法和应用 |
GB2623887A (en) * | 2022-06-08 | 2024-05-01 | Shandong Henglian New Mat Co Ltd | Barrier and heat-sealable cellulose film, preparation method therefor, and application thereof |
CN115976875A (zh) * | 2023-03-17 | 2023-04-18 | 山东中科恒联生物基材料有限公司 | 一种溶剂法功能性再生纤维素膜的连续式生产方法 |
CN115976875B (zh) * | 2023-03-17 | 2023-10-27 | 山东中科恒联生物基材料有限公司 | 一种溶剂法功能性再生纤维素膜的连续式生产方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113234247A (zh) | 一种聚偏二氯乙烯涂布纤维素膜及其制造方法 | |
US9200173B2 (en) | Modified polyvinyl alcohol coated film used for printing and preparation method thereof | |
RU2755302C2 (ru) | Двухкомпонентная адгезивная композиция и способ её изготовления | |
JP6862804B2 (ja) | ガスバリア積層体及びその製造方法 | |
CN108176573A (zh) | 一种低温热封涂布膜及其制造方法 | |
CN109705386A (zh) | 一种聚乙烯醇涂布膜及其制造方法 | |
RU2545293C1 (ru) | Способ получения биоразлагаемой пленки | |
CN110922928B (zh) | 一种单组份无溶剂聚氨酯胶粘剂及其制备方法和应用 | |
Zhang et al. | Aging properties and hydrophilicity of maize starch plasticized by hyperbranched poly (citrate glyceride) | |
KR101666835B1 (ko) | 내유성, 내수성, 방습성 및 열실링성을 가지는 다층 코팅기술을 이용한 친환경 수용성 식품 포장지 및 그의 제조방법 | |
KR101547926B1 (ko) | 내유성, 내수성, 방습성 및 열실링성을 가지는 다층 코팅기술을 이용한 친환경 수용성 식품 포장지 및 그의 제조방법 | |
CN114517049A (zh) | 一种高阻隔性能的涂布液及其应用 | |
US2408297A (en) | Bituminous compositions | |
CN102838769B (zh) | 一种吸湿包装薄膜的制备方法 | |
CN110551470B (zh) | 一种瓦楞纸箱阻燃防水胶黏剂的制备方法 | |
US1989632A (en) | Transparent film | |
CN103042792A (zh) | 一种用于糖果裹式高速包装的透明双面涂布薄膜及其制造方法 | |
CN107163553A (zh) | 一种具有香味的pu薄膜及制备方法 | |
US2222872A (en) | Water insoluble or water-resistant starch product | |
CN104293275B (zh) | 抗紫外线耐高温蒸煮胶黏剂及其制备方法和应用 | |
TW201623354A (zh) | 雙組分無溶劑反應型聚胺酯熱熔膠及其製備方法 | |
US3011910A (en) | Method of anchoring a nitrocellulose base surface coating to a cellulose base sheet | |
CN108395559B (zh) | 一种高性能的高阻隔性食物包装膜及其制备方法 | |
JP2008230106A (ja) | ガスバリア積層体 | |
TWI795242B (zh) | 製備具保鮮塗料之保鮮紙箱之方法 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |
|
RJ01 | Rejection of invention patent application after publication |