Title:
AGRICULTURAL FILM AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/248514
Kind Code:
A1
Abstract:
A polyvinyl chloride composite agricultural film and a preparation method therefor. The agricultural film comprises a PVC transparent base film layer, and two sides of the base film layer are a coated inner layer and a coated surface layer respectively. The agricultural film has a simple structural composition, wherein the PVC transparent base film layer has light scattering properties and the coated inner layer is a transparent inner layer provided with anti-fog dripping and heat preservation properties; the coated surface layer is a transparent surface layer provided with self-cleaning properties. The present agricultural film has high light transmission and light scattering properties, good self-cleaning, anti-ultraviolet, anti-fog dripping, heat preservation, thermal insulation, and mechanical performances, and excellent heat-resistant and weather-resistant performances; and the surface is clean and flat, and may be better used to cover farmland for planting fruits, vegetables, cotton, corn, soybeans, rice and other crops.
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Inventors:
XIONG SHENGDONG (CN)
Application Number:
PCT/CN2019/119600
Publication Date:
December 17, 2020
Filing Date:
November 20, 2019
Export Citation:
Assignee:
NINGBO XIANFENG NEW MAT CO LTD (CN)
International Classes:
C08L27/06; A01G9/14; A01G13/02; C08J5/18; C08J7/04; C08K5/00; C08K5/101; C08K5/11; C08K5/12; C08K5/526; C08L23/08; C08L51/06; C08L91/00
Foreign References:
| CN110387094A | 2019-10-29 | |||
| CN108178886A | 2018-06-19 | |||
| CN108178886A | 2018-06-19 | |||
| CN104356924A | 2015-02-18 | |||
| CN104249522A | 2014-12-31 | |||
| CN104249522A | 2014-12-31 | |||
| JPH03187320A | 1991-08-15 |
Attorney, Agent or Firm:
NINGBO YINZHOU SHENGFEI PATENT ATTORNEY (SPECIAL GENERAL PARTNERSHIP) (CN)
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