New-type double material agricultural mulch film and its preparation method


Application Number: 00107600
Application Date: 2000.05.23
Publication Number: 1272304
Publication Date: 2000.11.08
Priority Information:
International: A01G13/02;C08J5/18;C08L23/02
Applicant(s) Name: Li Xiaolu
Address:
Inventor(s) Name: Li Xiaolu
Patent Agency Code: 11240
Patent Agent: shi hechu
Abstract The present invention relates to a new-type extra-quality farm mulch film, including that intermediate crop mulch film which can effectively control induction period for degradation, can be easily bio-degraded and used for covering ground surface portion and two-side mulch film which possesses excellent physical mechanical property, can be easily bio-degraded and can be embedded in the ground and the width of said two kinds of mulch films can be different according to the natural environment and type of crops. Said invention also discloses the method for preparing said invented extra-quality farm mulch film by using dual spiral lobe extruders with same die head through the processes of extruding, blow molding and double-shot, etc..