CN114506573A - Mildew-proof tablet and application thereof - Google Patents
Mildew-proof tablet and application thereof Download PDFInfo
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- CN114506573A CN114506573A CN202210006238.XA CN202210006238A CN114506573A CN 114506573 A CN114506573 A CN 114506573A CN 202210006238 A CN202210006238 A CN 202210006238A CN 114506573 A CN114506573 A CN 114506573A
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- mildew
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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
- 240000008574 Capsicum frutescens Species 0.000 claims abstract description 6
- 235000002568 Capsicum frutescens Nutrition 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 239000010985 leather Substances 0.000 claims abstract description 4
- 244000020551 Helianthus annuus Species 0.000 claims abstract 7
- 239000000284 extract Substances 0.000 claims description 45
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 23
- 239000002904 solvent Substances 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 16
- 239000006000 Garlic 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
- 229940116257 pepper extract Drugs 0.000 claims description 15
- 239000001717 vitis vinifera seed extract Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000003449 preventive effect Effects 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 240000002234 Allium sativum Species 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
- 235000004611 garlic Nutrition 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
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000002023 wood Substances 0.000 abstract description 2
- 244000025254 Cannabis sativa Species 0.000 abstract 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 abstract 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 abstract 1
- 240000006365 Vitis vinifera Species 0.000 abstract 1
- 235000009120 camo Nutrition 0.000 abstract 1
- 235000005607 chanvre indien Nutrition 0.000 abstract 1
- 235000012343 cottonseed oil Nutrition 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 32
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 29
- 229920002472 Starch Polymers 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 21
- 239000008107 starch Substances 0.000 description 21
- 235000019698 starch Nutrition 0.000 description 20
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 16
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 16
- 229920000881 Modified starch Polymers 0.000 description 12
- 239000004368 Modified starch Substances 0.000 description 12
- 230000001070 adhesive effect Effects 0.000 description 12
- 235000019426 modified starch Nutrition 0.000 description 12
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 11
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 11
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 10
- 241000208818 Helianthus Species 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 10
- 239000012153 distilled water Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 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 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 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
- 241001149558 Trichoderma virens Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- RNIHAPSVIGPAFF-UHFFFAOYSA-N Acrylamide-acrylic acid resin Chemical compound NC(=O)C=C.OC(=O)C=C RNIHAPSVIGPAFF-UHFFFAOYSA-N 0.000 description 1
- 241000186361 Actinobacteria <class> Species 0.000 description 1
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 241000228143 Penicillium Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 241000606507 Talaromyces pinophilus Species 0.000 description 1
- 241000223238 Trichophyton Species 0.000 description 1
- 241001045770 Trichophyton mentagrophytes Species 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 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
- 239000011258 core-shell material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 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
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 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
- 230000002829 reductive effect Effects 0.000 description 1
- -1 shoes Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 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
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
Abstract
The invention relates to the technical field of mildew resistance, in particular to a mildew-proof sheet and application thereof. The mildew-proof tablet disclosed by the invention is composed of various plant extracts such as garlic, grape seeds, citronella, sunflower, camphor and hot pepper as mildew-proof agents, is safe and non-toxic, has a suppression and killing effect on common and active mildew, and can be widely applied to mildew prevention in storage and transportation periods of cottonseeds, hemps, leather products, shoes, wood products, finished clothes, electronic part products, optical equipment, mechanical part products, military supplies and the like.
Description
Technical Field
The invention relates to the technical field of mildew resistance, 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 mildewing and takes certain protection measures. The mildew-proof package must improve the production and control the environmental conditions of package storage and the like according to the physiological characteristics of microorganisms, so as to achieve the purpose of inhibiting the growth of mildew. The commercial product is caused by the action of microorganisms, and the use value of the commercial product can be influenced to different degrees. According to statistics of relevant departments, the mildew and rot loss of textiles in China only reaches millions of yuan. The microorganisms affecting the quality of the commercial products mainly include bacteria, molds, yeasts and some actinomycetes.
The existing mildew-proof package has poor mildew resistance, a large amount of non-degradable materials are adopted in the mildew-proof package, and the used mildew-proof package also 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 purpose of the invention is realized by the following technical scheme:
the utility model provides a mildew-proof sheet, includes from bottom to top compound in proper order from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete, the carrier layer includes base paper and the mildewcide of spraying on base paper, the mildewcide includes the composition 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 pepper 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 pepper 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 pepper extract and 100 parts of solvent.
Preferably, the mildew inhibitor 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 pepper 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 pepper 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 hot pepper 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 acrylate 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, continuing for 30-50min, then cooling to 35-45 ℃, 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 graft modified starch;
(3) mixing 100 parts by weight of acrylate prepolymer, 65-75 parts by weight of acrylate graft 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, heating to 65-75 ℃, reacting for 2-4h, coating the mixture on a substrate, and drying to obtain the degradable pressure-sensitive adhesive.
The degradable adhesive disclosed by the invention takes polyacrylate as a matrix and 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 adhesive, if the adhesive is prepared by directly mixing starch with acrylate, the starch has poor plasticity and fluidity, which results in insufficient cohesive energy of the adhesive, thereby resulting in that the adhesive performance and mechanical properties such as peel strength, permanent adhesion, tensile strength, elongation at break, etc. if the adhesive is completely prepared by grafting starch with acrylate to form a polymer, although the dispersion performance of the starch can be improved to some extent, the starch has a large molecular weight and relatively few grafting sites, the cohesive energy of the formed cross-linked structure is insufficient, thereby resulting in that the mechanical properties of the pressure-sensitive adhesive are also insufficient.
The degradable adhesive prepolymer is a double-prepolymer combination, namely a combination of an acrylate prepolymer and acrylate grafted modified starch, the prepolymers form a network structure under the promotion action of free radical initiated polymerization and multifunctional trimethylolpropane trimethacrylate, and compared with a single acrylate prepolymer or acrylate grafted modified starch, the degradable adhesive prepolymer has the advantages that due to the fact that the plasticity and elasticity of the two prepolymers are greatly different, a base body can form differential deformation in the stretching deformation process, namely, the stress concentration phenomenon is easily generated in the interior, so that crazing 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 graft and modify starch, the molecular chain of the formed grafted polyacrylate is stable, and in the starch grafting process, nano titanium dioxide and polyvinyl alcohol are added, the polyvinyl alcohol can plasticize the starch, and the starch can be promoted to coat the nano titanium dioxide when the starch is gelatinized, so that a core-shell modifier with nano silicon dioxide as a core and starch grafted and modified acrylate as a shell is formed, has the dual properties of a rigid body and an elastomer, and can remarkably improve the mechanical property of degradable glue. In addition, the invention utilizes the site limitation of starch grafted acrylate, can avoid excessive crosslinking in the acrylate adhesive, and can not cause the phenomenon of reduced adhesive property caused by excessive cohesive energy, thereby ensuring the adhesive property 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 disclosed by the invention is composed of various plant extracts such as garlic, grape seeds, citronella, sunflower, camphor and hot pepper as mildew-proof agents, is safe and non-toxic, and can be used for treating common and relatively active mildew such as: aspergillus niger (Aspergillus niger), Penicillium (Penicillium pinophilum), Trichophyton (Trichophyton mentagrophytes), Aureobasidium pullulans (Aureobasidium pullulans), Gliocladium virens (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 the effect of inhibiting and killing, and can be widely applied to mildew prevention in the storage and transportation period of cottonsilk ramie, leather products, shoes, wood products, garments, electronic part products, optical equipment, mechanical part products, military products and the like. And because a large amount of degradable materials such as fiber paper and the like are adopted, the biodegradable plastic has excellent biodegradability, and therefore, the environment cannot be adversely affected by the waste.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
The utility model provides a mildew-proof sheet, includes from bottom to top compound in proper order from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete, the carrier layer includes base paper and the mildewcide of spraying on base paper, the mildewcide includes the composition 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 hot pepper extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
The pressure-sensitive adhesive is degradable and 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 acrylate 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, continuing for 40min, then cooling to 40 ℃, adding 8 parts by weight of acrylamide acrylate, 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 2.5h to obtain acrylate grafted modified starch;
(3) mixing 100 parts by weight of acrylate prepolymer, 70 parts by weight of acrylate graft 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, heating to 70 ℃, reacting for 3 hours, coating the mixture on a substrate, and drying to obtain the degradable pressure-sensitive adhesive.
Example 2
The utility model provides a mildew-proof sheet, includes from bottom to top compound in proper order from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete, the carrier layer includes base paper and the mildewcide of spraying on base paper, the mildewcide includes the composition 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 pepper extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
The pressure-sensitive adhesive is degradable and 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 acrylate 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, continuing for 30min, then 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 2h to obtain acrylate grafted modified starch;
(3) mixing 100 parts by weight of acrylate prepolymer, 65 parts by weight of acrylate graft 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, heating to 65 ℃, reacting for 2 hours, coating the mixture on a substrate, and drying to obtain the degradable pressure-sensitive adhesive.
Example 3
The utility model provides a mildew-proof sheet, includes from bottom to top compound in proper order from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection rete, the carrier layer includes base paper and the mildewcide of spraying on base paper, the mildewcide includes the composition 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 hot pepper extract and 100 parts of solvent.
Preferably, the solvent is ethanol.
The pressure-sensitive adhesive is degradable and 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 acrylate 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, continuing for 50min, then 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 3h to obtain acrylate grafted modified starch;
(3) mixing 100 parts by weight of acrylate prepolymer, 75 parts by weight of acrylate graft 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, heating to 75 ℃, reacting for 4 hours, coating the mixture on a substrate, and drying to obtain the degradable pressure-sensitive adhesive.
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 acrylate prepolymer;
(3) mixing 100 parts by weight of acrylate prepolymer, 35 parts by weight of trimethylolpropane trimethyl acrylate, 13 parts by weight of acrylic acid, 1.5 parts by weight of ammonium persulfate and 2 parts by weight of sodium dodecyl sulfate, heating to 70 ℃, reacting for 3 hours, coating the mixture on a substrate, and drying to obtain the degradable pressure-sensitive adhesive.
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, continuing for 40min, then 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 2.5h to obtain acrylate grafted modified starch;
(2) mixing 100 parts by weight of acrylate graft 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, heating to 70 ℃, reacting for 3 hours, coating the mixture on a substrate, and drying to obtain the degradable pressure-sensitive adhesive.
The degradable adhesive prepared in example 1, comparative example 1 and comparative example 2 was coated on tin plate and cured, and the tensile strength, elongation at break and 180 ° peel strength of the adhesive film were tested, and the test results were as follows:
| tensile Strength (MPa) | Elongation at Break (%) | 180 degree peel strength (N/25mm) | |
| Example 1 | 8.8 | 123 | 108.9 |
| Comparative example 1 | 10.3 | 105 | 115.2 |
| Comparative example 2 | 5.1 | 84 | 75.4 |
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit and scope of the present invention.
Claims (8)
1. A mildew-proof sheet is characterized in that: including from bottom to top in proper order compound from type rete, pressure sensitive adhesive layer, carrier layer and ventilative protection film layer, the carrier layer includes base paper and the mildewproof agent of spraying on base paper, the mildewproof agent includes the composition 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 pepper extract and 100 parts of solvent.
2. The mold-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 pepper extract and 100 parts of solvent.
3. The mold-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 pepper extract and 100 parts of solvent.
4. The mold-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 pepper extract and 100 parts of solvent.
5. The mold-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 pepper extract and 100 parts of solvent.
6. The mold-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 hot pepper extract and 100 parts of solvent.
7. The mold-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 method is applied to mildew-proof storage and transportation of leather products.
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