JPS643093A - Controlled release coated fertilizer - Google Patents

Controlled release coated fertilizer

Info

Publication number
JPS643093A
JPS643093A JP63036523A JP3652388A JPS643093A JP S643093 A JPS643093 A JP S643093A JP 63036523 A JP63036523 A JP 63036523A JP 3652388 A JP3652388 A JP 3652388A JP S643093 A JPS643093 A JP S643093A
Authority
JP
Japan
Prior art keywords
fertilizer
resin film
caking
glass transition
resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP63036523A
Other languages
Japanese (ja)
Other versions
JPH013093A (en
Inventor
Shunichi Murayama
Satoshi Hayakawa
Shuji Takei
Yorozu Yokomori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KH Neochem Co Ltd
Original Assignee
Kyowa Hakko Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyowa Hakko Kogyo Co Ltd filed Critical Kyowa Hakko Kogyo Co Ltd
Priority to JP63-36523A priority Critical patent/JPH013093A/en
Priority claimed from JP63-36523A external-priority patent/JPH013093A/en
Publication of JPS643093A publication Critical patent/JPS643093A/en
Publication of JPH013093A publication Critical patent/JPH013093A/en
Pending legal-status Critical Current

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  • Fertilizers (AREA)

Abstract

PURPOSE: To improve a gradually releasing property and a resistance to caking of a fertilizer and to prevent an environmental pollution at the time of production by coating a chemical fertilizer with a resin film having a specified glass transition temp.
CONSTITUTION: One or ≥2 kinds monomers consisting of an arom. vinyl compd. such as styrene, an unsatd. carboxylic acid such as acrylic acid and fumaric acid and its neutralized salt and ester, etc., are polymerized. An obtained eq. emulsion of a homo- or copolymer or a mixture of ≥2 kinds aq. emulsions is sprayed on the solid chemical fertilizer to form the resin film having the glass transition temp. of ≥60°C on a surface of the fertilizer. The gradually releasing property and the resistance to caking are improved since the fertilizer exhibits effect by interposing the resin film. The pollution to the environment is prevented since solvent is not almost used at the time of production.
COPYRIGHT: (C)1989,JPO
JP63-36523A 1987-02-19 1988-02-19 slow release coated fertilizer Pending JPH013093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63-36523A JPH013093A (en) 1987-02-19 1988-02-19 slow release coated fertilizer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3680787 1987-02-19
JP62-36807 1987-02-19
JP63-36523A JPH013093A (en) 1987-02-19 1988-02-19 slow release coated fertilizer

Publications (2)

Publication Number Publication Date
JPS643093A true JPS643093A (en) 1989-01-06
JPH013093A JPH013093A (en) 1989-01-06

Family

ID=

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873378A (en) * 1971-12-30 1973-10-03
JPS4953171A (en) * 1972-07-05 1974-05-23
JPS54109078A (en) * 1978-02-15 1979-08-27 Norio Tanaka Photoocollapsible microcapsule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873378A (en) * 1971-12-30 1973-10-03
JPS4953171A (en) * 1972-07-05 1974-05-23
JPS54109078A (en) * 1978-02-15 1979-08-27 Norio Tanaka Photoocollapsible microcapsule

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