KR20010091984A - 입상 피복 비료의 제조방법 - Google Patents
입상 피복 비료의 제조방법 Download PDFInfo
- Publication number
- KR20010091984A KR20010091984A KR1020010012641A KR20010012641A KR20010091984A KR 20010091984 A KR20010091984 A KR 20010091984A KR 1020010012641 A KR1020010012641 A KR 1020010012641A KR 20010012641 A KR20010012641 A KR 20010012641A KR 20010091984 A KR20010091984 A KR 20010091984A
- Authority
- KR
- South Korea
- Prior art keywords
- fertilizer
- granular
- urethane resin
- granular fertilizer
- resin
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
Description
Claims (4)
- 흡수성 중합체를 입상 비료에 첨가한 다음, 당해 비료를 하나 이상의 우레탄 수지 층으로 피복시키는 것을 포함하는, 입상 피복 비료의 제조방법.
- 제1항에 있어서,흡수성 중합체를 입상 비료에 첨가하는 단계(1),입상 비료를 텀블링된 상태로 만드는 단계(2),당해 텀블링된 입상 비료에, 층 두께가 1 내지 10㎛로 되도록 하기에 충분한 양의 경화되지 않은 액상 우레탄 수지를 첨가하는 단계(3),입상 비료를 텀블링된 상태로 유지하면서 각각의 입상 비료의 표면을 경화되지 않은 우레탄 수지로 피복시키는 단계(4),입상 비료를 텀블링된 상태로 유지하면서 우레탄 수지를 열경화시키는 단계(5) 및단계(2) 내지 단계(5)를 당해 순서로 1회 이상 반복하는 단계(6)를 포함하는 방법.
- 제2항에 있어서, 흡수성 중합체가 아크릴레이트 중합체, 아크릴산-비닐 알콜 공중합체, 이소부틸렌 중합체, 에틸렌 옥사이드 중합체, 프로필렌 옥사이드 중합체, 에틸렌 옥사이드-프로필렌 옥사이드 공중합체, 하이드록시 그룹 말단에서 우레탄 수지와 결합된 폴리에틸렌 옥사이드 수지, 전분, 전분 그래프트 중합체 또는 카복시메틸셀룰로스 염인 방법.
- 제2항에 있어서, 흡수성 중합체가 아크릴레이트 중합체인 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-072015 | 2000-03-15 | ||
JP2000072015 | 2000-03-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010091984A true KR20010091984A (ko) | 2001-10-23 |
KR100740442B1 KR100740442B1 (ko) | 2007-07-19 |
Family
ID=18590491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010012641A KR100740442B1 (ko) | 2000-03-15 | 2001-03-12 | 입상 피복 비료의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6358295B1 (ko) |
KR (1) | KR100740442B1 (ko) |
ID (1) | ID29676A (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10158693A1 (de) * | 2001-11-29 | 2003-06-26 | Ashland Suedchemie Kernfest | Beschichtete körnige Stoffe |
US20040016276A1 (en) * | 2002-07-26 | 2004-01-29 | Wynnyk Nick P. | Controlled release fertilizer having improved mechanical handling durability and method for production thereof |
US7682656B2 (en) * | 2004-06-14 | 2010-03-23 | Agruim Inc. | Process and apparatus for producing a coated product |
WO2006058422A1 (en) * | 2004-11-30 | 2006-06-08 | Agrium Inc. | Process and apparatus for coating a controlled release product in a rotating drum |
CN101544707B (zh) * | 2009-03-04 | 2011-11-16 | 华南农业大学 | 一种水溶性树脂包膜材料的工业化制备方法及其应用 |
JP5810544B2 (ja) * | 2010-03-31 | 2015-11-11 | セントラル硝子株式会社 | 被覆粒状体及び該被覆粒状体の製造方法 |
SK288190B6 (sk) | 2010-05-18 | 2014-06-03 | Duslo, A. S. | Granulované hnojivo s riadeným uvoľňovaním živín |
SK288066B6 (sk) | 2010-05-18 | 2013-04-03 | Duslo, A. S. | Granulated fertilizer with controlled release of nutrients |
MY164276A (en) | 2011-11-21 | 2017-11-30 | Malaysian Palm Oil Board | A controlled-release fertilizer |
KR20150094745A (ko) * | 2013-01-11 | 2015-08-19 | 도요 고무 고교 가부시키가이샤 | 인공 토양 배지 |
CN103224428B (zh) * | 2013-04-25 | 2014-08-06 | 苏州谷力生物科技有限公司 | 一种保湿有机肥及其制备方法 |
US9796639B2 (en) | 2014-01-24 | 2017-10-24 | Dryject Inc. Acquisition Corp. | Polymer mixing technique |
EP3244719A1 (en) * | 2015-01-15 | 2017-11-22 | Dryject, Inc. | Polymer mixing technique |
EP3883361A4 (en) * | 2018-11-07 | 2022-10-19 | GTX Turf Farms LP | SEED MAT FOR GROWING PLANTS |
BR112022000512B1 (pt) * | 2019-07-11 | 2024-04-30 | Upl Ltd | Sistema e processo para revestimento de substratos de fertilizante e substratos de fertilizante revestidos |
WO2022192360A1 (en) * | 2021-03-12 | 2022-09-15 | Pursell Agri-Tech, LLC | Granular fertilizers and methods of making same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS543104B2 (ko) * | 1973-12-28 | 1979-02-17 | ||
US5652196A (en) * | 1991-07-22 | 1997-07-29 | Oms Investments, Inc. | Timed release of water-soluble plant nutrients |
KR950002341B1 (ko) * | 1991-12-04 | 1995-03-16 | 한국과학기술연구원 | 지효성 입상비료의 제조방법 |
KR950006288B1 (ko) * | 1992-07-09 | 1995-06-13 | 한국과학기술연구원 | 지효성 입상 비료의 제조방법 |
KR970008989B1 (en) * | 1994-12-12 | 1997-06-03 | Song Mi Young | Matrix fertilizer |
TW349082B (en) * | 1996-02-08 | 1999-01-01 | Sumitomo Chemical Co | Coated fertilizer |
JP3525278B2 (ja) | 1996-05-24 | 2004-05-10 | チッソ株式会社 | 時限溶出型の被覆粒状肥料 |
JPH1072272A (ja) | 1996-08-29 | 1998-03-17 | Chisso Corp | 被覆粒状肥料及びその製造方法 |
NO981350L (no) | 1997-03-26 | 1998-09-28 | Central Glass Co Ltd | Belagt granulær kunstgjödsel og fremgangsmåte for dens fremstilling |
-
2001
- 2001-03-06 US US09/798,905 patent/US6358295B1/en not_active Expired - Lifetime
- 2001-03-12 KR KR1020010012641A patent/KR100740442B1/ko active IP Right Grant
- 2001-03-13 ID IDP20010220D patent/ID29676A/id unknown
Also Published As
Publication number | Publication date |
---|---|
KR100740442B1 (ko) | 2007-07-19 |
ID29676A (id) | 2001-09-20 |
US6358295B1 (en) | 2002-03-19 |
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