CN107022164A - 一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法 - Google Patents

一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法 Download PDF

Info

Publication number
CN107022164A
CN107022164A CN201710181938.1A CN201710181938A CN107022164A CN 107022164 A CN107022164 A CN 107022164A CN 201710181938 A CN201710181938 A CN 201710181938A CN 107022164 A CN107022164 A CN 107022164A
Authority
CN
China
Prior art keywords
attapulgite
absorbent resin
super absorbent
adipose membrane
salt type
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
CN201710181938.1A
Other languages
English (en)
Inventor
李军
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201710181938.1A priority Critical patent/CN107022164A/zh
Publication of CN107022164A publication Critical patent/CN107022164A/zh
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/003Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F261/00Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
    • C08F261/02Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
    • C08F261/04Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/247Heating methods
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00Soil-conditioning materials or soil-stabilising materials
    • C09K17/40Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2351/00Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2497/00Characterised by the use of lignin-containing materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00Agricultural use
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2109/00MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fertilizers (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

本发明公开了一种凹凸棒土增强的抗盐型高吸水树脂膜,及其制备工艺,其特征在于,以丙烯酸、丙烯酰胺、聚乙烯醇、过二硫酸钾、戊二醛溶液、凹凸棒土、衣康酸、膨润土、腐殖酸、沸石、芽孢杆菌等为原料。本发明以过二硫酸钾为引发剂,以戊二醛溶液为交联剂,衣康酸与丙烯酰胺接枝共聚制备了一种复合高吸水树脂,具有良好的保水能力,凹凸棒土的加入改善了高吸水树脂的抗盐性。膨润土能改善土壤结构,提高土壤的保水抗旱、保肥增肥能力;同时膨润土的加入提高了高吸水树脂的吸水率、保水性能及热稳定性;与腐殖酸、沸石、芽孢杆菌复合制备了土壤改良剂,可用于调节土壤酸碱度、缓冲土壤值,进而提高作物产量。

Description

一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法
技术领域
本发明涉及高吸水树脂膜领域,具体涉及一种凹凸棒土增强的抗盐型高吸水树脂膜,及其制备工艺。
背景技术
高吸水树脂是一种低交联密度的含有强吸水性基团的高分子聚合物,通过水合作用迅速地吸收大量的水而呈凝胶状,具有良好的吸水性能、保水性能,并且吸水容量大、吸水速率快、保水能力强。近年来在农林、卫生、建筑等多领域得到广泛的应用。
汪满意在其硕士学位论文《聚丙烯酸类高吸水树脂及电纺纤维膜的制备》一文中,采用丙烯酸(AA)与丙烯酰胺(AM)单体共聚并与聚乙烯醇(PVA)共混得到聚(丙烯酸-丙烯酰胺)/聚乙烯醇溶液(即P(AA-AM)/PVA溶液),以过二硫酸钾为引发剂,以戊二醛为交联剂,经涂膜或静电纺丝得到高吸水树脂膜或微纳米纤维膜,研究其吸水和吸湿性能。
本发明以过二硫酸钾为引发剂,以戊二醛溶液为交联剂,衣康酸与丙烯酰胺接枝共聚制备了一种复合高吸水树脂,具有良好的保水能力,凹凸棒土的加入改善了高吸水树脂的抗盐性。膨润土能改善土壤的结构,提高土壤的保水抗旱、保肥增肥能力;同时,膨润土的加入也提高了高吸水树脂的吸水率、保水性能及热稳定性;将其与腐殖酸、沸石、芽孢杆菌复合制备得到一种土壤改良剂,可用于调节土壤酸碱度、缓冲土壤值,进而提高作物产量。
发明内容
本发明主要解决的技术问题是提供一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备工艺,依照该工艺制备的树脂具有良好的抗盐性能、高吸水性、高保水性。
本发明所要解决的技术问题采用以下的技术方案来实现:
丙烯酸15-25,丙烯酰胺10-20,聚乙烯醇20-30,过二硫酸钾4-7,戊二醛溶液3-6,凹凸棒土5-9,衣康酸6-9,膨润土6-8,腐殖酸4-6,沸石3-5,芽孢杆菌2-4,NaOH溶液、蒸馏水适量。
一种凹凸棒土增强的抗盐型高吸水树脂膜的制备方法,其特征在于,按以下步骤进行:
a. 向衣康酸中1:3-5:15-20加入NaOH溶液、蒸馏水,搅拌均匀,加入丙烯酰胺,搅拌1-2h后,得A液;将丙烯酸置于冰浴中,1:5-10加NaOH溶液部分中和后,与A液混合均匀,待用;
b. 将聚乙烯醇1:10-15溶于蒸馏水,加入a中所得物料,在40-50℃下机械搅拌1-2h混合均匀,加入过二硫酸钾、凹凸棒土,在氮气气氛下,升温至70-80℃反应2-3h,降温至50-60℃后加入戊二醛溶液,持续搅拌,混合均匀,待用;
c. 将膨润土与腐殖酸混合,1:10-15加入蒸馏水,搅拌均匀,调pH为8-9,加入沸石、芽孢杆菌,在30-40℃下超声振荡2-4h,冷冻干燥,研磨粉碎,过100-200目筛,待用;
d. 将a、b、c中所得物料混合,超声1-2h分散均匀,涂覆在玻璃片上,室温下放置10-20h,失水干燥成膜后揭下,得到未交联的高吸水树脂,将其放置在真空烘箱中于120-130℃热处理交联20-30min,制得高吸水树脂膜。
步骤a中所述NaOH溶液质量浓度为15-20%;步骤b中所述凹凸棒土,在60-70℃盐酸溶液中浸泡处理1-2h,用蒸馏水洗涤至pH=6-7,100-110℃干燥备用;步骤b中所述戊二醛溶液浓度为20-25%。
本发明的反应机理如下:
(1)本发明以过二硫酸钾为引发剂,以戊二醛溶液为交联剂,衣康酸与丙烯酰胺接枝共聚制备了一种复合高吸水树脂,具有良好的保水能力,凹凸棒土的加入改善了高吸水树脂的抗盐性。
(2)膨润土能改善土壤的结构,提高土壤的保水抗旱、保肥增肥能力;同时,膨润土的加入也提高了高吸水树脂的吸水率、保水性能及热稳定性;将其与腐殖酸、沸石、芽孢杆菌复合制备得到一种土壤改良剂,可用于调节土壤酸碱度、缓冲土壤值,进而提高作物产量。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例
一种凹凸棒土增强的抗盐型高吸水树脂膜,由下述重量份(g)的原料制得:
丙烯酸25,丙烯酰胺20,聚乙烯醇30,过二硫酸钾7,戊二醛溶液6,凹凸棒土9,衣康酸9,膨润土8,腐殖酸6,沸石5,芽孢杆菌4,NaOH溶液、蒸馏水适量。
一种凹凸棒土增强的抗盐型高吸水树脂膜的制备方法,其特征在于,按以下步骤进行:
a.向衣康酸中1:5:15加入NaOH溶液、蒸馏水,搅拌均匀,加入丙烯酰胺,搅拌1h后,得A液;将丙烯酸置于冰浴中,1:10加NaOH溶液部分中和后,与A液混合均匀,待用;
b. 将聚乙烯醇1:15溶于蒸馏水,加入a中所得物料,在40-50℃下机械搅拌1h混合均匀,加入过二硫酸钾、凹凸棒土,在氮气气氛下,升温至70-80℃反应2h,降温至50-60℃后加入戊二醛溶液,持续搅拌,混合均匀,待用;
c. 将膨润土与腐殖酸混合,1:10加入蒸馏水,搅拌均匀,调pH为8-9,加入沸石、芽孢杆菌,在30-40℃下超声振荡2h,冷冻干燥,研磨粉碎,过100-200目筛,待用;
d. 将a、b、c中所得物料混合,超声1h分散均匀,涂覆在玻璃片上,室温下放置15h,失水干燥成膜后揭下,得到未交联的高吸水树脂,将其放置在真空烘箱中于120-130℃热处理交联30min,制得高吸水树脂膜。

Claims (5)

1.一种凹凸棒土增强的抗盐型高吸水树脂膜,其特征在于,由下述重量份的原料制得:
丙烯酸15-25,丙烯酰胺10-20,聚乙烯醇20-30,过二硫酸钾4-7,戊二醛溶液3-6,凹凸棒土5-9,衣康酸6-9,膨润土6-8,腐殖酸4-6,沸石3-5,芽孢杆菌2-4,NaOH溶液、蒸馏水适量。
2.根据权利要求1所述的一种凹凸棒土增强的抗盐型高吸水树脂膜的制备方法,其特征在于,按以下步骤进行:
向衣康酸中1:3-5:15-20加入NaOH溶液、蒸馏水,搅拌均匀,加入丙烯酰胺,搅拌1-2h后,得A液;将丙烯酸置于冰浴中,1:5-10加NaOH溶液部分中和后,与A液混合均匀,待用;
b. 将聚乙烯醇1:10-15溶于蒸馏水,加入a中所得物料,在40-50℃下机械搅拌1-2h混合均匀,加入过二硫酸钾、凹凸棒土,在氮气气氛下,升温至70-80℃反应2-3h,降温至50-60℃后加入戊二醛溶液,持续搅拌,混合均匀,待用;
c. 将膨润土与腐殖酸混合,1:10-15加入蒸馏水,搅拌均匀,调pH为8-9,加入沸石、芽孢杆菌,在30-40℃下超声振荡2-4h,冷冻干燥,研磨粉碎,过100-200目筛,待用;
d. 将a、b、c中所得物料混合,超声1-2h分散均匀,涂覆在玻璃片上,室温下放置10-20h,失水干燥成膜后揭下,得到未交联的高吸水树脂,将其放置在真空烘箱中于120-130℃热处理交联20-30min,制得高吸水树脂膜。
3.根据权利要求2所述的一种凹凸棒土增强的抗盐型高吸水树脂膜的制备方法,其特征在于,步骤a中所述NaOH溶液质量浓度为15-20%。
4.根据权利要求2所述的一种凹凸棒土增强的抗盐型高吸水树脂膜的制备方法,其特征在于,步骤b中所述凹凸棒土,在60-70℃盐酸溶液中浸泡处理1-2h,用蒸馏水洗涤至pH=6-7,100-110℃干燥备用。
5.根据权利要求2所述的一种凹凸棒土增强的抗盐型高吸水树脂膜的制备方法,其特征在于,步骤b中所述戊二醛溶液浓度为20-25%。
CN201710181938.1A 2017-03-24 2017-03-24 一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法 Pending CN107022164A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710181938.1A CN107022164A (zh) 2017-03-24 2017-03-24 一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710181938.1A CN107022164A (zh) 2017-03-24 2017-03-24 一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法

Publications (1)

Publication Number Publication Date
CN107022164A true CN107022164A (zh) 2017-08-08

Family

ID=59525781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710181938.1A Pending CN107022164A (zh) 2017-03-24 2017-03-24 一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法

Country Status (1)

Country Link
CN (1) CN107022164A (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107552009A (zh) * 2017-09-27 2018-01-09 安徽金叶碳素科技有限公司 一种磁性可回收的土壤重金属吸附剂及其制备方法
CN108049025A (zh) * 2017-12-26 2018-05-18 安徽省东乾食品有限公司 一种高性能吸水膜的制备方法
CN108181207A (zh) * 2017-11-23 2018-06-19 南昌航空大学 一种土体等散体材料斥水度检测评价方法
CN114752023A (zh) * 2022-03-30 2022-07-15 河南农业大学 一种可降解分子筛复合水凝胶的制备及应用
CN115322790A (zh) * 2022-08-03 2022-11-11 国能朗新明环保科技有限公司 用于煤矿排土场的基质改良剂及其制备方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687163A (zh) * 2005-04-04 2005-10-26 师进 一种多组分低成本保水剂及制备方法
CN101117422A (zh) * 2007-03-21 2008-02-06 成都理工大学 光聚合法膨润土复合高吸水树脂的制备方法
CN101234919A (zh) * 2008-02-29 2008-08-06 师进 高活性生物保水缓释复合肥及其制备方法
CN101538470A (zh) * 2009-03-13 2009-09-23 中国矿业大学(北京) 用于马铃薯的复合保水剂及其制备方法
CN102250276A (zh) * 2011-05-10 2011-11-23 中国科学院兰州化学物理研究所 一种黏土基两性离子疏水型耐盐高吸水性树脂及制备方法
CN102775992A (zh) * 2012-08-22 2012-11-14 乌鲁木齐中汇国豪生物科技有限公司 一种有机-无机型抗盐碱多功能保水剂及其制备方法
CN103694052A (zh) * 2013-12-23 2014-04-02 营口博科环保材料有限公司 一种多效高吸水树脂肥及其制作方法
CN104262016A (zh) * 2014-09-23 2015-01-07 石河子大学 一种保水缓释型生物复合肥及制备方法
CN105061054A (zh) * 2015-08-06 2015-11-18 中国农业科学院烟草研究所 一种包膜缓控释肥及其制造方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687163A (zh) * 2005-04-04 2005-10-26 师进 一种多组分低成本保水剂及制备方法
CN101117422A (zh) * 2007-03-21 2008-02-06 成都理工大学 光聚合法膨润土复合高吸水树脂的制备方法
CN101234919A (zh) * 2008-02-29 2008-08-06 师进 高活性生物保水缓释复合肥及其制备方法
CN101538470A (zh) * 2009-03-13 2009-09-23 中国矿业大学(北京) 用于马铃薯的复合保水剂及其制备方法
CN102250276A (zh) * 2011-05-10 2011-11-23 中国科学院兰州化学物理研究所 一种黏土基两性离子疏水型耐盐高吸水性树脂及制备方法
CN102775992A (zh) * 2012-08-22 2012-11-14 乌鲁木齐中汇国豪生物科技有限公司 一种有机-无机型抗盐碱多功能保水剂及其制备方法
CN103694052A (zh) * 2013-12-23 2014-04-02 营口博科环保材料有限公司 一种多效高吸水树脂肥及其制作方法
CN104262016A (zh) * 2014-09-23 2015-01-07 石河子大学 一种保水缓释型生物复合肥及制备方法
CN105061054A (zh) * 2015-08-06 2015-11-18 中国农业科学院烟草研究所 一种包膜缓控释肥及其制造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汪满意: "聚丙烯酸类高吸水树脂及电纺纤维膜的制备", 《中国优秀学位论文全文数据库•工程科技I辑》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107552009A (zh) * 2017-09-27 2018-01-09 安徽金叶碳素科技有限公司 一种磁性可回收的土壤重金属吸附剂及其制备方法
CN108181207A (zh) * 2017-11-23 2018-06-19 南昌航空大学 一种土体等散体材料斥水度检测评价方法
CN108049025A (zh) * 2017-12-26 2018-05-18 安徽省东乾食品有限公司 一种高性能吸水膜的制备方法
CN114752023A (zh) * 2022-03-30 2022-07-15 河南农业大学 一种可降解分子筛复合水凝胶的制备及应用
CN115322790A (zh) * 2022-08-03 2022-11-11 国能朗新明环保科技有限公司 用于煤矿排土场的基质改良剂及其制备方法

Similar Documents

Publication Publication Date Title
CN107022164A (zh) 一种凹凸棒土增强的抗盐型高吸水树脂膜及其制备方法
Zohuriaan-Mehr et al. Advances in non-hygienic applications of superabsorbent hydrogel materials
Xu et al. Synthesis and properties of an ecofriendly superabsorbent composite by grafting the poly (acrylic acid) onto the surface of dopamine-coated sea buckthorn branches
CN110272314A (zh) 一种制备包覆型秸秆纤维基保水缓释肥的方法
CN102838714B (zh) 一种秸秆复合高吸水树脂的制备方法
CN102492070B (zh) 发泡型营养复合保水剂的制备方法
CN104558677B (zh) 一种纳米纤维素/壳聚糖复合泡沫的制备方法
CN101638461B (zh) 马铃薯淀粉磷酸酯接枝共聚合成含磷和氮高吸水树脂的方法
CN104788191A (zh) 一种超强保水抗旱复合肥料及其制备方法
CN108017751A (zh) 一种高强度互穿网络型吸水树脂及其制备方法
CN104086696B (zh) 一种能够促进植物生长的复合型保水剂、制备及应用
CN107011910A (zh) 一种含膨润土的可降解性高吸水树脂微球及其制备方法
CN104558442A (zh) 一种壳聚糖交联聚马来酸酐高吸水树脂的合成方法
CN106831197A (zh) 一种高吸水保水的小麦秸秆基新型缓控释肥料及其制备方法
CN101691416B (zh) 马铃薯淀粉磷酸酯接枝共聚丙烯酸及其钠盐制备具有交联结构的高吸水树脂的方法
Yang et al. Research advances in superabsorbent polymers
CN103113508A (zh) 一种具有较慢吸液速率的高吸水树脂、其制备方法及其应用
Su et al. Preparation and performance study of AEEA/SA porous salt-resistant superabsorbent polymer
Dong et al. Preparation and properties of multifunctional eco-friendly slow-release urea fertilizer encapsulated by diatomite filter aid waste-based superabsorbent
CN103266474A (zh) 一种聚天冬氨酸纳米水凝胶毡的制备方法
Yang et al. Categories and application fields and manufacturing process and action mechanism of water retaining agent
CN105985156A (zh) 一种生物质炭吸附桑树肥料及其制备方法
CN100584871C (zh) 高吸水性树脂的制备方法
CN109293950A (zh) 高吸水性及其制备方法
CN104478615B (zh) 一种小麦复混肥及其制备方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170808

RJ01 Rejection of invention patent application after publication