Please select the most similar patent number from A, B, C and D. Which number is?
A broad-spectrum antiviral bactericidal plastic and an application thereof, the bactericidal plastic comprising in percentage by weight: 90-96% of basic resin, 1-3% of a modified antibacterial agent, and 0-10% of a plastic additive. The modified antibacterial agent is prepared from the following components in parts by weight: 5-15 parts of chlorophyll, 5-15 parts of tea polyphenols, 8-16 parts of taurine, 0.5-2 parts of citric acid, 6-18 parts of isomalto-oligosaccharide, 0.6-1.5 parts of yeast powder, 4-10 parts of chitosan, 30-50 parts of nano titanium dioxide, 3-8 parts of zinc oxide and 3-8 parts of ultraviolet fluorescent powder. The broad-spectrum antiviral bactericidal plastic has a broad-spectrum antiviral effect, may kill viruses and bacteria for a long time, effectively prevents virus infection that may be caused by frequent contact and and use, by users, of plastic cards such as bank cards and identity cards, and is beneficial to the health of personnel.
A: Disclosed is an environmentally-friendly soil remediation agent. A wastewater treatment agent is compounded from two component parts, A and B, where the ratio is A:B = 1.5:2. A and B comprise the following components in parts by mass: a silicone acrylic emulsion: 15-19 parts, a char-forming catalyst: 12-18 parts, a charring agent: 2-8 parts, a foaming agent: 8-12 parts, neoprene: 7-10 parts, allyl alcohol: 3-9 parts, nano-silicon dioxide: 12-17 parts, acetobacter xylinum: 5-9 parts, a modified microsphere: 11-18 parts, a coupling agent: 22-28 parts, a UV absorber: 3-8 parts, a flame retardant: 14-19 parts, a vapor phase inhibitor: 6-9 parts; a wood fiber powder: 13-19 parts, a carbon fiber powder: 4-9 parts, activated carbon: 15-19 parts, lecithin: 10-17 parts, an ion liquid flame suppressant: 9-13 parts, a crystal-type modifier: 2-5 parts, acetic acid: 14-19 parts, a synergistic additive: 3-9 parts, citric acid: 11-18 parts, a plant fiber: 8-10 parts, a microbial agent: 3-7 parts, a nitrate nitrogen compound: 13-19 parts, and a supplementary material: 18-24 parts.
B: A virus penetration blocking operating gown film, comprising: a virus penetration blocking thermoplastic polyurethane film that is attached onto upper and lower surfaces of a medical non-woven fabric by means of thermal compression bonding. The virus penetration blocking thermoplastic polyurethane film comprises the following components in percentage by mass: thermoplastic polyurethane: 82-85%; graphene: 6-10%; nano-silica: 7-9%; and nano-silver powder: 1-1.5%. The thermoplastic polyurethane comprises the following preparative raw materials: 50-55 parts of polyisocyanate; 20-25 parts of polyether diol; 18-22 parts of chitosan; 15-18 parts of ethylene glycol; and 4-6 parts of a stabilizer. By means of said approach, the film having a sandwich structure has the advantages of being excellent in virus blocking uniformity, high in protection level, excellent in air and moisture permeabilities, and excellent in environment friendliness.
C: Disclosed in the present invention is an environment-friendly non-toxic wastewater treatment agent. The environment-friendly non-toxic wastewater treatment agent is formed by compounding three components A, B, and C according to the ratio of A:B:C=3:1:2, and A, B, and C contains the following components in parts by mass: 8-12 parts of an organic silicone-modified epoxy resin, 2-8 parts of a dispersant, 10-16 parts of graphite powder, 2-7 parts of potassium hydrogen phthalate, 4-9 parts of nano-silica, 22-28 parts of activated carbon, 11-17 parts of potassium dihydrogen phosphate, 3-8 parts of ferric sulfate, 12-18 parts of bentonite, 3-8 parts of aluminum sulfate, 19-22 parts of calcium hydroxide; 9-16 parts of citric acid, 11-18 parts of plant fibers, 9-13 parts of a microbial agent, 6-9 parts of an organic acid, 12-18 parts of a coagulating agent, 10-15 parts of propylene carbonate, 2-6 parts of 3-butanediol, 19-22 parts of a defoaming agent, 20-27 parts of a solvent, 13-19 parts of a polychlorate, 10-16 parts of a synergistic additive; 3-8 parts of a PVC foaming regulator LP-40, 6-10 parts of 3-methylphenol, 12-18 parts of an antioxidant, 29-31 parts of wood fiber powder, 17-20 parts of carbon fiber powder, 18-22 parts of sodium silicate, 3-8 parts of a flame retardant, 12-18 parts of a leveling agent, 13-18 parts of a stabilizer, and 16-20 parts of an auxiliary material.
D: Disclosed are a plastic profile and a method for manufacturing same. The plastic profile comprises the components in parts by weight: 100-120 parts of polyvinyl chloride resin, 2-3 parts of organotin-carboxylate, 1-2 parts of polyacrylate resin, 8-10 parts of chlorinated polyethylene, 5-10 parts of activated calcium carbonate, 4-6 parts of rutile type titanium dioxide, 0.5-1 part of polyethylene wax, and 0.5-1 part of antibacterial and bacteriostatic additive. The present invention has the advantages that the costs are low, the heat stability is good, the rigidity is increased, the plasticizing quality is improved, and the appearance is beautified; the profile is smooth, and excellent in weather resistance, toughness, and uniformity, has antibacterial and bacteriostatic effects, and is applicable to sterile places.
Answer: D