Greenhouse film is a special plastic film used in agricultural production. It has good light transmittance, thermal insulation, stretch resistance and aging resistance. The antifog agriculture film has better performance than ordinary agricultural films and can increase the growth of crops in the greenhouse.
By adding surfactant to the formulation of the greenhouse film material, significant anti-fog effect can be obtained. The amount of the additive is 0.05% to 2.5%, the hydrophilic-lipophilic balance value is 4 to 14, and each molecule needs to contain 2 to 10 ethylene oxide groups and one fatty derivative group. Commonly used greenhouse film surfactants are polyethylene glycol monostearate, polyethylene glycol monolaurate, polyoxyethylene lauryl ether, polyoxyethylene soybean oleamide, polyoxyethylene sorbitol monostearic acid Esters, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monocaprylate, and the like.
After long-term experiments, it was found that mixing two surfactants is better than using one surfactant alone, and can produce a synergistic effect. Common methods are ethylene oxide derivatives of high-carbon fatty alcohols, ethylene oxide derivatives of alkylphenols, ethylene oxide derivatives of high-carbon fatty acids, and epoxy resins of fatty acid esters of glycerol or sorbitol. Ethane derivatives and the like. Triethylamine phosphate is added to the surfactant, and its synergistic effect is to greatly improve the anti-fogging performance of greenhouse plastic materials. After using the antifog agent, the surface of the greenhouse film has good moisture, and the contact angle can be reduced to about 20 degrees. Polyoxyethylene lauryl ether mixed with triethanol ether and triethanolamine phosphate additives can also greatly extend the anti-fog effective period of greenhouse films.
Henan Yinfeng Plastic‘s main produce agricultural film, greenhouse film, drip irrigation tape, packaging film, shopping bag, garbage bag, stretch film, drop cloth, plastic film, warning tape, three-layer co-extruded film, thermal insulation greenhouse Film, black and white film, grape special film, potato special film, watermelon special film, weeding film, anti-fog film, drip film, silver gray floor film, drip anti-fog film, flower film, anti-aging long-life film, PE / EVE Mao Metal composite anti-fog film, degradation film, vegetable film, multi-functional film, ordinary transparent film, colored film, black film, green film, empty film, strawberry film, grout film, double-proof film, three-proof film, multilayer Extruded film, geomembrane, architectural film, cover film, dustproof film, anti-seepage film, heat shrinkable film, storage film, plastic bag, etc.
Henan Yinfeng antifog agriculture films:
1. Double protection film
Width: 1m – 12m
Thickness: 0.06mm – 0.16mm
Drop performance: 3-4 months
Application: nursery and shed covering of vegetables, fruits, flowers and other cash crops.
2. Three protection film
Width: 4m – 14m
Thickness: 0.06mm – 0.16mm
Width: 6m -12m
Thickness: 0.08mm – 0.14mm
Width: 1.2m – 4m
Thickness: 0.05mm – 0.08mm