Title:
A polyolefin system agricultural film and the institution for agriculture and horticulture
Document Type and Number:
Japanese Patent JP6240549
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a polyolefin-based agricultural film having high light-scattering performance during summer with strong solar radiation and low light-scattering performance during winter with weak sunlight.SOLUTION: There is provided a polyolefin-based agricultural film having a middle layer between two polyolefin-based resin layers. The middle layer is a layer containing: an ethylene-vinyl acetate copolymer (note that a weight of the ethylene-vinyl acetate copolymer is 100 wt.%) in which a content of monomer units based on vinyl acetate is 15 to 30 wt.%; and methyl methacrylate-styrene copolymer particles with an average particle diameter of 3 to 15 μm.
Inventors:
Takeshi Moriguchi
Application Number:
JP2014072857A
Publication Date:
November 29, 2017
Filing Date:
March 31, 2014
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
SANTERA CORPORATION
SANTERA CORPORATION
International Classes:
A01G9/14; A01G13/02; B32B27/32
Domestic Patent References:
| JP2012187076A | ||||
| JP2005047097A | ||||
| JP2007289147A | ||||
| JP5147176A | ||||
| JP2014040035A | ||||
| JP2015067756A | ||||
| JP2010241857A |
Foreign References:
| US4816518 | ||||
| US20060057343 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark
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