ANTI-FOGGING COMPOSITION AND ANTI-FOGGING PLASTICS PREPARED THEREFROM
The present disclosure provides an anti-fogging composition, an anti-fogging plastic prepared therefrom, and related applications. Particularly, the anti-fogging composition of the present disclosure comprises a thermoplastic resin, at least one anti-fogging agent, a thermoplastic elastomer and a porous copolymer carrier. The anti-fogging plastic prepared from the anti-fogging composition of the present disclosure exhibits good mechanical properties and transparency, more durable and washable anti-fogging effect, surprisingly surface bacteria-repellent effect, low cost and easy adaption for continuous production; and meets the requirements of food contact safety, and can be widely used in the fields such as packaging, construction, medical devices and automobiles.
1 . An anti-fogging composition comprising, based on a total weight of the anti-fogging composition:
30%-50% of a first thermoplastic resin;
10%-30% of at least one anti-fogging agent;
25%-40% of a thermoplastic elastomer; and
0-10% of a porous copolymer carrier.
2 . The anti-fogging composition according to claim 1 , comprising, based on the total weight of the anti-fogging composition:
35%-45% of the first thermoplastic resin;
15%-30% of the at least one anti-fogging agent;
30%-35% of the thermoplastic elastomer; and
3%-7% of the porous copolymer carrier.
3 . The anti-fogging composition according to claim 1 , wherein the first thermoplastic resin is one or more selected from a group consisting of polyethylene (PE), polypropylene (PP), Ethylene Vinyl Acetate (EVA) and polyvinyl chloride (PVC).
4 . The anti-fogging composition according to claim 3 , wherein the first thermoplastic resin is polyethylene (PE) or low-density polyethylene (LDPE).
5 . The anti-fogging composition according to claim 1 , wherein the at least one anti-fogging agent is an amphipathic compound with multiple-OH end groups and a long-chain hydrophobic aliphatic group.
6 . The anti-fogging composition according to claim 5 , wherein the at least one anti-fogging agent is selected from a group consisting of fatty glyceride; fatty alcohol polyoxyethylene ether; alcohol oleate; sorbitan monostearate; polyether oligomer.
7 . The anti-fogging composition according to claim 6 , wherein the fatty glyceride is glyceryl stearate or glycerol monooleate, the fatty alcohol polyoxyethylene ether is polyoxyethylene lauryl ether, and the polyether oligomer is propylene glycol, polyethylene glycol, or octadecyldiethanolamine.
8 . The anti-fogging composition according to claim 6 , wherein the at least one anti-fogging agent is fatty glyceride and/or fatty alcohol polyoxyethylene ether.
9 . The anti-fogging composition according to claim 6 , wherein the at least one anti-fogging agent is the amphipathic compound of formula I or II:
10 . The anti-fogging composition according to claim 1 , wherein the at least one anti-fogging agent is a combination of two or more anti-fogging agents.
11 . The anti-fogging composition according to claim 10 , wherein the at least one anti-fogging agent is a combination of fatty glyceride and fatty alcohol polyoxyethylene ether.
12 . The anti-fogging composition according to claim 1 , wherein the thermoplastic elastomer is selected from a group consisting of Ethylene-octene copolymer (POE), Ethylene-propene-diolefin copolymer (EPDM), Styrene-butadiene-styrene block copolymer (SBS), Styrene-ethylene-butylene-styrene block copolymer (SEBS), Styrene-ethylene-propylene block copolymer-styrene (SEPS).
13 . The anti-fogging composition according to claim 1 , wherein the porous copolymer carrier is selected from a group consisting of an ethylene butyl acrylate (EBA) based porous copolymer carrier, a linear low-density polyethylene (LLDPE) based porous copolymer carriers, and a low-density polyethylene (LDPE) based porous copolymer carrier.
14 . The anti-fogging composition according to claim 1 , wherein the anti-fogging composition is prepared by mixing the first thermoplastic resin, the at least one anti-fogging agent, the thermoplastic elastomer and the porous copolymer carrier at a defined weight ratio and extruding through a twin-screw extruder.
15 . The anti-fogging composition according to claim 1 , wherein the anti-fogging composition is in a form of anti-fogging masterbatch.
16 . An anti-fogging plastic prepared from the anti-fogging composition according to claim 1 and a second thermoplastic resin.
17 . The anti-fogging plastic according to claim 16 , wherein the anti-fogging composition is added in an amount from 1% to 10%, 3% to 8%, or 3% to 5%, based on the total weight of the anti-fogging plastic.
18 . The anti-fogging plastic according to claim 16 , wherein the anti-fogging composition exhibits a surface bacteria-repellent effect against bacterial adhesion with bacterial repellency of greater than 90%.
19 . The anti-fogging plastic according to claim 16 , wherein the second thermoplastic resin is selected from a group consisting of polyethylene (PE), polypropylene (PP), Ethylene Vinyl Acetate (EVA) and polyvinyl chloride (PVC).
20 . The anti-fogging plastic according to claim 16 , wherein the second thermoplastic resin is polyethylene (PE).
21 . The anti-fogging plastic according to claim 16 , wherein the second thermoplastic resin is the same as the first thermoplastic resin.