CN114506573B - Mildew-proof tablet and application thereof - Google Patents
Mildew-proof tablet and application thereof Download PDFInfo
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- CN114506573B CN114506573B CN202210006238.XA CN202210006238A CN114506573B CN 114506573 B CN114506573 B CN 114506573B CN 202210006238 A CN202210006238 A CN 202210006238A CN 114506573 B CN114506573 B CN 114506573B
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- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 claims abstract description 17
- 241000723346 Cinnamomum camphora Species 0.000 claims abstract description 17
- 244000166675 Cymbopogon nardus Species 0.000 claims abstract description 17
- 235000018791 Cymbopogon nardus Nutrition 0.000 claims abstract description 17
- 235000003222 Helianthus annuus Nutrition 0.000 claims abstract description 17
- 229960000846 camphor Drugs 0.000 claims abstract description 17
- 229930008380 camphor Natural products 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 5
- 239000010985 leather Substances 0.000 claims abstract description 4
- 239000000284 extract Substances 0.000 claims description 45
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 33
- 229920002472 Starch Polymers 0.000 claims description 22
- 239000008107 starch Substances 0.000 claims description 22
- 235000019698 starch Nutrition 0.000 claims description 21
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 20
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 19
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000010410 layer Substances 0.000 claims description 17
- 241000208818 Helianthus Species 0.000 claims description 16
- 239000006000 Garlic extract Substances 0.000 claims description 15
- 229940007061 capsicum extract Drugs 0.000 claims description 15
- 239000001943 capsicum frutescens fruit extract Substances 0.000 claims description 15
- 235000020706 garlic extract Nutrition 0.000 claims description 15
- 229940087603 grape seed extract Drugs 0.000 claims description 15
- 235000002532 grape seed extract Nutrition 0.000 claims description 15
- 239000001717 vitis vinifera seed extract Substances 0.000 claims description 15
- 229920000881 Modified starch Polymers 0.000 claims description 14
- 239000004368 Modified starch Substances 0.000 claims description 14
- 235000019426 modified starch Nutrition 0.000 claims description 14
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 13
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 13
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 12
- -1 acrylic ester Chemical class 0.000 claims description 12
- 239000012153 distilled water Substances 0.000 claims description 12
- 230000003449 preventive effect Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 10
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- 240000002234 Allium sativum Species 0.000 abstract description 2
- 244000025254 Cannabis sativa Species 0.000 abstract description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 abstract description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 abstract description 2
- 235000002566 Capsicum Nutrition 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 abstract description 2
- 235000009754 Vitis X bourquina Nutrition 0.000 abstract description 2
- 235000012333 Vitis X labruscana Nutrition 0.000 abstract description 2
- 235000014787 Vitis vinifera Nutrition 0.000 abstract description 2
- 235000009120 camo Nutrition 0.000 abstract description 2
- 235000005607 chanvre indien Nutrition 0.000 abstract description 2
- 235000004611 garlic Nutrition 0.000 abstract description 2
- 239000011487 hemp Substances 0.000 abstract description 2
- 230000002147 killing effect Effects 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000000419 plant extract Substances 0.000 abstract description 2
- 244000020551 Helianthus annuus Species 0.000 abstract 1
- 241000758706 Piperaceae Species 0.000 abstract 1
- 240000006365 Vitis vinifera Species 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005507 spraying Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 241000228245 Aspergillus niger Species 0.000 description 2
- 241000223678 Aureobasidium pullulans Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 241001515917 Chaetomium globosum Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 241000186361 Actinobacteria <class> Species 0.000 description 1
- 241000208293 Capsicum Species 0.000 description 1
- 241000228143 Penicillium Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 241000606507 Talaromyces pinophilus Species 0.000 description 1
- 241001149558 Trichoderma virens Species 0.000 description 1
- 241000223238 Trichophyton Species 0.000 description 1
- 241001045770 Trichophyton mentagrophytes Species 0.000 description 1
- 241000219095 Vitis Species 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 239000001390 capsicum minimum Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- B65D65/40—Applications of laminates for particular packaging purposes
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/24—Lauraceae [Laurel family], e.g. laurel, avocado, sassafras, cinnamon or camphor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/38—Solanaceae [Potato family], e.g. nightshade, tomato, tobacco or chilli pepper
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/42—Aloeaceae [Aloe family] or Liliaceae [Lily family], e.g. aloe, veratrum, onion, garlic or chives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Toxicology (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of mildew prevention, in particular to a mildew-proof sheet and application thereof. The mildew-proof tablet disclosed by the invention is prepared from various plant extracts such as garlic, grape seeds, citronella, sunflower, camphor, peppers and the like as mildew-proof agents, is safe and nontoxic, has the effect of inhibiting and killing common and active mildew, and can be widely applied to mildew prevention in storage periods of cotton-wool hemp, leather products, shoes, woodwork, ready-made clothes, electronic part products, optical equipment, mechanical part products and the like.
Description
Technical Field
The invention relates to the technical field of mildew prevention, in particular to a mildew-proof sheet and application thereof.
Background
The mildew-proof package is a package which prevents the package and the contents from mildew and takes certain protective measures. The mildew-proof package must improve the production and control environmental conditions such as package storage according to the physiological characteristics of microorganisms, so as to achieve the purpose of inhibiting the growth of mildew. The mildew of commodity is caused by the action of microorganisms, and can influence the use value of commodity to different degrees. According to statistics of related departments, the mildew loss of textiles only reaches millions of yuan in China. Microorganisms affecting commodity quality are mainly bacteria, mold, yeast and part of actinomycetes.
The mildew resistance of the existing mildew-proof package is poor, and the mildew-proof package adopts a large amount of non-degradable materials, so that the used mildew-proof package has adverse effects on the environment.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a mildew-proof sheet and application thereof.
The aim of the invention is achieved by the following technical scheme:
the utility model provides a mould proof piece, includes from bottom to top complex from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete in proper order, the carrier layer includes base paper and the mould proof agent of spraying on the base paper, the mould proof agent includes the constitution of following parts by weight: 10-18 parts of garlic extract, 8-12 parts of grape seed extract, 4-8 parts of citronella extract, 2-6 parts of sunflower extract, 2-6 parts of camphor extract, 1-5 parts of capsicum extract and 100 parts of solvent.
Preferably, the mildew preventive comprises the following components in parts by weight: 16-18 parts of garlic extract, 10-12 parts of grape seed extract, 6-8 parts of citronella extract, 4-6 parts of sunflower extract, 4-6 parts of camphor extract, 3-5 parts of capsicum extract and 100 parts of solvent.
Preferably, the mildew preventive comprises the following components in parts by weight: 10-13 parts of garlic extract, 8-10 parts of grape seed extract, 4-6 parts of citronella extract, 2-3 parts of sunflower extract, 2-3 parts of camphor extract, 1-2 parts of capsicum extract and 100 parts of solvent.
Preferably, the mildew preventive comprises the following components in parts by weight: 14-16 parts of garlic extract, 10-12 parts of grape seed extract, 7-8 parts of citronella extract, 4-5 parts of sunflower extract, 2-3 parts of camphor extract, 1-2 parts of capsicum extract and 100 parts of solvent.
Preferably, the mildew preventive comprises the following components in parts by weight: 12-16 parts of garlic extract, 9-11 parts of grape seed extract, 5-7 parts of citronella extract, 3-5 parts of sunflower extract, 3-5 parts of camphor extract, 2-4 parts of capsicum extract and 100 parts of solvent.
Preferably, the mildew preventive comprises the following components in parts by weight: 14 parts of garlic extract, 10 parts of grape seed extract, 6 parts of citronella extract, 4 parts of sunflower extract, 4 parts of camphor extract, 3 parts of capsicum extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
Preferably, the pressure-sensitive adhesive is a degradable pressure-sensitive adhesive, and the degradable pressure-sensitive adhesive is prepared by the following method:
(1) Adding 70-80 parts by weight of butyl acrylate, 20-30 parts by weight of methyl methacrylate, 5-7.5 parts by weight of acrylic acid, 7-8 parts by weight of hydroxyethyl acrylate, 1-2 parts by weight of sodium dodecyl sulfate and 0.2-0.4 part by weight of ammonium persulfate into 100 parts by weight of distilled water, heating to 65-75 ℃, and reacting for 2-3 hours to obtain an acrylic ester prepolymer;
(2) Adding 10-20 parts by weight of nano titanium dioxide, 20-30 parts by weight of starch, 7-15 parts by weight of polyvinyl alcohol and 1-3 parts by weight of sodium dodecyl sulfate into 100 parts by weight of distilled water, uniformly stirring, heating to 80-90 ℃ for gelatinization reaction, continuously cooling to 35-45 ℃ for 30-50min, adding 6-10 parts by weight of acrylamide, 8-12 parts by weight of butyl acrylate, 3-4 parts by weight of hydroxyethyl acrylate and 0.1-0.5 part by weight of ammonium persulfate, heating to 65-75 ℃, and reacting for 2-3h to obtain acrylic ester grafted modified starch;
(3) 100 parts by weight of acrylate prepolymer, 65-75 parts by weight of acrylate grafted modified starch, 20-30 parts by weight of trimethylolpropane trimethacrylate, 6-12 parts by weight of acrylic acid, 1-2 parts by weight of ammonium persulfate and 1-3 parts by weight of sodium dodecyl sulfate are mixed, heated to 65-75 ℃, reacted for 2-4 hours, coated on a substrate and dried, so that the degradable pressure-sensitive adhesive is obtained.
The degradable adhesive of the invention takes polyacrylate as a matrix, takes starch as a filler, and can improve the biodegradability of the degradable pressure-sensitive adhesive based on the biodegradability of the starch.
However, in the case of acrylate-starch adhesives, if the starch is directly mixed with acrylate, the poor plasticity and fluidity of the starch may result in insufficient cohesive energy of the adhesive, and thus the adhesive properties and mechanical properties may not meet the requirements, such as peel strength, holding power, tensile strength, elongation at break, etc., and if the starch is completely grafted with acrylate to form a polymer, the dispersibility of the starch may be improved to some extent, but the molecular weight of the starch is relatively high, the number of opposite grafting sites is relatively small, and cohesive energy of the formed crosslinked structure may be insufficient, thus resulting in insufficient mechanical properties of the pressure-sensitive adhesive.
The degradable adhesive prepolymer is a double-prepolymer combination, namely, the combination of the acrylate prepolymer and the acrylate grafted modified starch, and forms a network structure through free radical initiated polymerization and promotion of the multifunctional trimethylolpropane trimethacrylate, compared with single acrylate prepolymer or acrylate grafted modified starch, the two prepolymers have great difference in plasticity and elasticity, and the matrix can form differential deformation in the stretching deformation process, namely, the phenomenon of stress concentration is easy to generate in the interior, thereby the silver streak is initiated to consume energy, and the toughness of the pressure-sensitive adhesive is improved. In particular, in the starch modification process, acrylamide is used as a hard monomer, butyl acrylate is used as a soft monomer to carry out graft modification on starch, the formed grafted polyacrylate molecular chain is stable, nano titanium dioxide and polyvinyl alcohol are added in the starch grafting process, the polyvinyl alcohol can plasticize starch, and the starch can be promoted to coat the nano titanium dioxide during starch gelatinization, so that a core-shell modifier with nano silicon dioxide as a core and starch grafted modified acrylate as a shell is formed, and the core-shell modifier has the dual properties of a rigid body and an elastomer, and can obviously improve the mechanical property of degradable glue. In addition, the invention utilizes the limited sites of starch grafted acrylic ester, can avoid excessive crosslinking in acrylic ester adhesive, and can not cause the phenomenon of adhesion performance reduction due to overlarge cohesive energy, thereby ensuring the adhesion performance of the pressure-sensitive adhesive.
The application of the mildew-proof sheet is applied to mildew-proof storage and transportation of leather products.
The invention has the beneficial effects that: the mildew-proof bag provided by the invention is prepared from various plant extracts such as garlic, grape seeds, citronella, sunflower, camphor, capsicum and the like as mildew-proof agents, is safe and nontoxic, and is suitable for common and active mildew such as: aspergillus niger (Aspergillus Niger), penicillium (Penicillium pinophilum), trichophyton candidum (Trichophyton mentagrophytes), aureobasidium pullulans (Aureobasidium pullulans), scopularium viridis (Gliocladium virens), chaetomium globosum (Chaetomium globosum), and bacteria such as: staphylococcus aureus (staphylococcus aureus), pseudomonas aeruginosa (Pseudomonas aeruginosa), escherichia coli (Escherichia coli) and the like have inhibiting and killing effects, and can be widely applied to mildew prevention in storage periods of cotton, wool, hemp, leather products, shoes, wooden products, ready-made clothes, electronic part products, optical equipment, mechanical part products, military supplies and the like. And because a large amount of fiber paper and other degradable materials are adopted, the biodegradable plastic composite material has excellent biodegradability, and the waste can not cause adverse effect on the environment.
Detailed Description
The invention is further illustrated below in conjunction with examples, which are not intended to limit the scope of the invention, in order to facilitate understanding of those skilled in the art.
Example 1
The utility model provides a mould proof piece, includes from bottom to top complex from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete in proper order, the carrier layer includes base paper and the mould proof agent of spraying on the base paper, the mould proof agent includes the constitution of following parts by weight: 14 parts of garlic extract, 10 parts of grape seed extract, 6 parts of citronella extract, 4 parts of sunflower extract, 4 parts of camphor extract, 3 parts of capsicum extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
The pressure-sensitive adhesive is a degradable pressure-sensitive adhesive, and the degradable pressure-sensitive adhesive is prepared by the following method:
(1) Adding 75 parts by weight of butyl acrylate, 25 parts by weight of methyl methacrylate, 6.5 parts by weight of acrylic acid, 7.5 parts by weight of hydroxyethyl acrylate, 1.5 parts by weight of sodium dodecyl sulfate and 0.3 part by weight of ammonium persulfate into 100 parts by weight of distilled water, heating to 70 ℃, and reacting for 2.5 hours to obtain an acrylic ester prepolymer;
(2) Adding 15 parts by weight of nano titanium dioxide, 25 parts by weight of starch, 12 parts by weight of polyvinyl alcohol and 2 parts by weight of sodium dodecyl sulfate into 100 parts by weight of distilled water, uniformly stirring, heating to 85 ℃ for gelatinization reaction, continuously cooling to 40 ℃, adding 8 parts by weight of acrylic amide, 10 parts by weight of butyl acrylate, 3.5 parts by weight of hydroxyethyl acrylate and 0.3 part by weight of ammonium persulfate, heating to 70 ℃, and reacting for 2.5 hours to obtain acrylic ester grafted modified starch;
(3) 100 parts by weight of acrylate prepolymer, 70 parts by weight of acrylate grafted modified starch, 25 parts by weight of trimethylolpropane trimethacrylate, 9 parts by weight of acrylic acid, 1.5 parts by weight of ammonium persulfate and 2 parts by weight of sodium dodecyl sulfate are mixed, heated to 70 ℃, reacted for 3 hours, coated on a substrate and dried, so that the degradable pressure-sensitive adhesive is obtained.
Example 2
The utility model provides a mould proof piece, includes from bottom to top complex from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete in proper order, the carrier layer includes base paper and the mould proof agent of spraying on the base paper, the mould proof agent includes the constitution of following parts by weight: 10 parts of garlic extract, 8 parts of grape seed extract, 4 parts of citronella extract, 2 parts of sunflower extract, 2 parts of camphor extract, 1 part of capsicum extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
The pressure-sensitive adhesive is a degradable pressure-sensitive adhesive, and the degradable pressure-sensitive adhesive is prepared by the following method:
(1) Adding 70 parts by weight of butyl acrylate, 20 parts by weight of methyl methacrylate, 5 parts by weight of acrylic acid, 7 parts by weight of hydroxyethyl acrylate, 1 part by weight of sodium dodecyl sulfate and 0.2 part by weight of ammonium persulfate into 100 parts by weight of distilled water, heating to 65 ℃, and reacting for 2 hours to obtain an acrylic ester prepolymer;
(2) Adding 10 parts by weight of nano titanium dioxide, 20 parts by weight of starch, 7 parts by weight of polyvinyl alcohol and 1 part by weight of sodium dodecyl sulfate into 100 parts by weight of distilled water, uniformly stirring, heating to 80 ℃ for gelatinization reaction, continuously cooling to 35 ℃, adding 6 parts by weight of acrylamide, 8 parts by weight of butyl acrylate, 3 parts by weight of hydroxyethyl acrylate and 0.1 part by weight of ammonium persulfate, heating to 65 ℃, and reacting for 2 hours to obtain acrylate grafted modified starch;
(3) 100 parts by weight of acrylate prepolymer, 65 parts by weight of acrylate grafted modified starch, 20 parts by weight of trimethylolpropane trimethacrylate, 6 parts by weight of acrylic acid, 1 part by weight of ammonium persulfate and 1 part by weight of sodium dodecyl sulfate are mixed, heated to 65 ℃, reacted for 2 hours, and coated on a substrate for drying, so that the degradable pressure-sensitive adhesive is obtained.
Example 3
The utility model provides a mould proof piece, includes from bottom to top complex from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete in proper order, the carrier layer includes base paper and the mould proof agent of spraying on the base paper, the mould proof agent includes the constitution of following parts by weight: 18 parts of garlic extract, 12 parts of grape seed extract, 8 parts of citronella extract, 6 parts of sunflower extract, 6 parts of camphor extract, 5 parts of capsicum extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
The pressure-sensitive adhesive is a degradable pressure-sensitive adhesive, and the degradable pressure-sensitive adhesive is prepared by the following method:
(1) Adding 80 parts by weight of butyl acrylate, 30 parts by weight of methyl methacrylate, 7.5 parts by weight of acrylic acid, 8 parts by weight of hydroxyethyl acrylate, 2 parts by weight of sodium dodecyl sulfate and 0.4 part by weight of ammonium persulfate into 100 parts by weight of distilled water, heating to 75 ℃, and reacting for 3 hours to obtain an acrylic ester prepolymer;
(2) Adding 20 parts by weight of nano titanium dioxide, 30 parts by weight of starch, 15 parts by weight of polyvinyl alcohol and 3 parts by weight of sodium dodecyl sulfate into 100 parts by weight of distilled water, uniformly stirring, heating to 90 ℃ for gelatinization reaction, continuously cooling to 45 ℃, adding 10 parts by weight of acrylamide, 12 parts by weight of butyl acrylate, 4 parts by weight of hydroxyethyl acrylate and 0.5 part by weight of ammonium persulfate, heating to 75 ℃, and reacting for 3 hours to obtain acrylate grafted modified starch;
(3) 100 parts by weight of acrylate prepolymer, 75 parts by weight of acrylate grafted modified starch, 30 parts by weight of trimethylolpropane trimethacrylate, 12 parts by weight of acrylic acid, 2 parts by weight of ammonium persulfate and 3 parts by weight of sodium dodecyl sulfate are mixed, heated to 75 ℃, reacted for 4 hours, coated on a substrate and dried, so that the degradable pressure-sensitive adhesive is obtained.
Comparative example 1
The pressure-sensitive adhesive of this comparative example was prepared by the following method:
(1) Adding 50 parts by weight of butyl acrylate, 30 parts by weight of methyl methacrylate, 6.5 parts by weight of acrylic acid, 7.5 parts by weight of hydroxyethyl acrylate, 1.5 parts by weight of sodium dodecyl sulfate and 0.3 part by weight of ammonium persulfate into 100 parts by weight of distilled water, heating to 70 ℃, and reacting for 2.5 hours to obtain an acrylic ester prepolymer;
(3) 100 parts by weight of acrylate prepolymer, 35 parts by weight of trimethylolpropane trimethacrylate, 13 parts by weight of acrylic acid, 1.5 parts by weight of ammonium persulfate and 2 parts by weight of sodium dodecyl sulfate are mixed, heated to 70 ℃, reacted for 3 hours, coated on a substrate and dried, so that the degradable pressure-sensitive adhesive is obtained.
Comparative example 2
The pressure-sensitive adhesive of this comparative example was prepared by the following method:
(1) Adding 15 parts by weight of nano titanium dioxide, 25 parts by weight of starch, 12 parts by weight of polyvinyl alcohol and 2 parts by weight of sodium dodecyl sulfate into 100 parts by weight of distilled water, uniformly stirring, heating to 85 ℃ for gelatinization reaction, continuously cooling to 40 ℃, adding 12 parts by weight of acrylamide, 16 parts by weight of butyl acrylate, 5 parts by weight of hydroxyethyl acrylate and 0.3 part by weight of ammonium persulfate, heating to 70 ℃, and reacting for 2.5 hours to obtain acrylic ester grafted modified starch;
(2) 100 parts by weight of acrylic ester grafted modified starch, 30 parts by weight of trimethylolpropane trimethacrylate, 15 parts by weight of acrylic acid, 1.5 parts by weight of ammonium persulfate and 2 parts by weight of sodium dodecyl sulfate are mixed, the temperature is raised to 70 ℃, the mixture is reacted for 3 hours, and the mixture is coated on a substrate and dried, so that the degradable pressure-sensitive adhesive is obtained.
The degradable gums of example 1, comparative example 1 and comparative example 2 were coated on tin plate and cured, and the tensile strength, elongation at break and 180 ° peel strength of the adhesive films were tested as follows:
| tensile Strength (MPa) | Elongation at break (%) | 180 degree peel strength (N/25 mm) | |
| Example 1 | 8.8 | 123 | 108.9 |
| Comparative example 1 | 10.3 | 105 | 115.2 |
| Comparative example 2 | 5.1 | 84 | 75.4 |
The embodiments described above are preferred implementations of the invention, but the invention can be implemented in other ways, and any obvious substitutions without departing from the spirit of the invention are within the scope of the invention.
Claims (8)
1. A mildew-proof sheet, characterized in that: the anti-mildew adhesive comprises a release film layer, a pressure-sensitive adhesive layer, a carrier layer and a breathable protective film layer which are sequentially compounded from bottom to top, wherein the carrier layer comprises base paper and a mildew preventive sprayed on the base paper, and the mildew preventive comprises the following components in parts by weight: 10-18 parts of garlic extract, 8-12 parts of grape seed extract, 4-8 parts of citronella extract, 2-6 parts of sunflower extract, 2-6 parts of camphor extract, 1-5 parts of capsicum extract and 100 parts of solvent;
the pressure-sensitive adhesive is a degradable pressure-sensitive adhesive, and the degradable pressure-sensitive adhesive is prepared by the following method:
(1) Adding 70-80 parts by weight of butyl acrylate, 20-30 parts by weight of methyl methacrylate, 5-7.5 parts by weight of acrylic acid, 7-8 parts by weight of hydroxyethyl acrylate, 1-2 parts by weight of sodium dodecyl sulfate and 0.2-0.4 part by weight of ammonium persulfate into 100 parts by weight of distilled water, heating to 65-75 ℃, and reacting for 2-3 hours to obtain an acrylic ester prepolymer;
(2) Adding 10-20 parts by weight of nano titanium dioxide, 20-30 parts by weight of starch, 7-15 parts by weight of polyvinyl alcohol and 1-3 parts by weight of sodium dodecyl sulfate into 100 parts by weight of distilled water, uniformly stirring, heating to 80-90 ℃ for gelatinization reaction, continuously cooling to 35-45 ℃ for 30-50min, adding 6-10 parts by weight of acrylamide, 8-12 parts by weight of butyl acrylate, 3-4 parts by weight of hydroxyethyl acrylate and 0.1-0.5 part by weight of ammonium persulfate, heating to 65-75 ℃, and reacting for 2-3h to obtain acrylate grafted modified starch;
(3) 100 parts by weight of acrylate prepolymer, 65-75 parts by weight of acrylate grafted modified starch, 20-30 parts by weight of trimethylolpropane trimethacrylate, 6-12 parts by weight of acrylic acid, 1-2 parts by weight of ammonium persulfate and 1-3 parts by weight of sodium dodecyl sulfate are mixed, heated to 65-75 ℃, reacted for 2-4 hours, coated on a substrate and dried, so that the degradable pressure-sensitive adhesive is obtained.
2. A mildew resistant sheet according to claim 1, wherein: the mildew preventive comprises the following components in parts by weight: 16-18 parts of garlic extract, 10-12 parts of grape seed extract, 6-8 parts of citronella extract, 4-6 parts of sunflower extract, 4-6 parts of camphor extract, 3-5 parts of capsicum extract and 100 parts of solvent.
3. A mildew resistant sheet according to claim 1, wherein: the mildew preventive comprises the following components in parts by weight: 10-13 parts of garlic extract, 8-10 parts of grape seed extract, 4-6 parts of citronella extract, 2-3 parts of sunflower extract, 2-3 parts of camphor extract, 1-2 parts of capsicum extract and 100 parts of solvent.
4. A mildew resistant sheet according to claim 1, wherein: the mildew preventive comprises the following components in parts by weight: 14-16 parts of garlic extract, 10-12 parts of grape seed extract, 7-8 parts of citronella extract, 4-5 parts of sunflower extract, 2-3 parts of camphor extract, 1-2 parts of capsicum extract and 100 parts of solvent.
5. A mildew resistant sheet according to claim 1, wherein: the mildew preventive comprises the following components in parts by weight: 12-16 parts of garlic extract, 9-11 parts of grape seed extract, 5-7 parts of citronella extract, 3-5 parts of sunflower extract, 3-5 parts of camphor extract, 2-4 parts of capsicum extract and 100 parts of solvent.
6. A mildew resistant sheet according to claim 1, wherein: the mildew preventive comprises the following components in parts by weight: 14 parts of garlic extract, 10 parts of grape seed extract, 6 parts of citronella extract, 4 parts of sunflower extract, 4 parts of camphor extract, 3 parts of capsicum extract and 100 parts of solvent.
7. A mildew resistant sheet according to claim 1, wherein: the solvent is ethanol.
8. Use of a mildew resistant sheet according to claims 1-7, characterized in that: the mildew-proof plastic is applied to mildew-proof storage and transportation of leather products.
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