DEGRADABLE COAT BEARING GRANULAR COMPOSITIONS FOR AGRICULTURAL AND HORTICULTURAL USE, BIODEGRADABLE RESIN COMPOSITION, MOLDINGS AND FILMS OF THE SAME, PROCESS FOR THE PRODUCTION OF FILMS, AND DEGRADABLE TRASH BAGS
申请人:DAICEL CHEMICAL INDUSTRIES, Ltd.
公开号:EP0934918A1
公开(公告)日:1999-08-11
The first aspect of the present invention relates to a particle-state composition for agriculture and gardening characterized in that a coating material A or a mixture composed of the coating material A and a coating material B is coated on a particle-state fertilizer, and the coating material A is a biodegradable cellulose ester composition, and the coating material B is at least one selected from the group consisting of an olefin polymer, a copolymer containing an olefin, a polyvinylidene chloride, a copolymer containing vinylidene chloride, a diene-based polymer, waxes, a petroleum resin, a natural resin, a cellulose acetate resin, a polycaprolactone, and oils & fats and a modified product therefrom.
The second aspect of the present invention relates to a biodegradable resin composition which comprises the lactone resin, the synthetic aliphatic polyester resin, and the metallic salt or amide of a fatty acid, wherein the weight ratio of the lactone resin/the synthetic aliphatic polyester resin ranges in 5/95-70/30, and a proportion of the metallic salt of a fatty acid or an amide of a fatty acid is 0.2-5 parts by weight based on 100 parts by weight of the total amount of the lactone resin and the synthetic aliphatic polyester resin, and it relates to a film molded therefrom by an inflation method.
The third aspect of the present invention is a bag for garbages in which the above-mentioned bag for garbages is particularly processed as a bag for removing water having many small openings.
本发明的第一方面涉及一种用于农业和园艺的颗粒态组合物,其特征在于在颗粒态肥料上涂覆涂层材料A或由涂层材料A和涂层材料B组成的混合物,涂层材料A是可生物降解的纤维素酯组合物、涂层材料 B 至少是选自以下组别的一种:烯烃聚合物、含烯烃的共聚物、聚偏二氯乙烯、含偏二氯乙烯的共聚物、二烯基聚合物、蜡、石油树脂、天然树脂、醋酸纤维素树脂、聚己内酯、油脂及其改性产品。
本发明的第二个方面涉及一种可生物降解的树脂组合物,它包括内酯树脂、合成脂肪族聚酯树脂和脂肪酸的金属盐或酰胺,其中内酯树脂/合成脂肪族聚酯树脂的重量比为 5/95-70/30,脂肪酸的金属盐或酰胺的比例为 0.以内酯树脂和合成脂肪族聚酯树脂总量的100份重量计,其比例为2-5份重量,本发明还涉及用充气法用其模压而成的薄膜。
本发明的第三个方面是一种垃圾袋,特别是将上述垃圾袋加工成具有许多小开口的除水袋。