WO2016045421A1 - 一种醚类聚羧酸保坍剂及其制备方法 - Google Patents
一种醚类聚羧酸保坍剂及其制备方法 Download PDFInfo
- Publication number
- WO2016045421A1 WO2016045421A1 PCT/CN2015/082417 CN2015082417W WO2016045421A1 WO 2016045421 A1 WO2016045421 A1 WO 2016045421A1 CN 2015082417 W CN2015082417 W CN 2015082417W WO 2016045421 A1 WO2016045421 A1 WO 2016045421A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- unsaturated carboxylic
- ether
- carboxylic acid
- mixture
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/32—Polyethers, e.g. alkylphenol polyglycolether
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
Definitions
- the invention belongs to the construction material technology, and particularly relates to an ether polycarboxylate herbicide and a preparation method thereof.
- the above bifunctional monomer is generally bilaterally esterified with polyethylene glycol and an unsaturated carboxylic acid or by a polyether monomer having an unsaturated double bond itself and then reacted with an unsaturated carboxylic acid to form two
- the macromonomer of double bond the molecular weight of the reaction raw material is generally large, resulting in a large steric hindrance, and the synthesis efficiency of the bifunctional monomer is low.
- CN102504125A discloses a concrete preservative and a preparation method thereof, which are amidated or esterified with a diamine or a diol and an alkenyl acid, and require bilateral esterification to prepare a bifunctional monomer, and the reaction conditions are relatively complicated. And the time is longer.
- Another object of the present invention is to provide a process for producing the above ether-based polycarboxylic acid herbicide.
- An ether polycarboxylate herbicide having a molecular weight of 20,000 to 150,000 and having the following structural formula:
- R 1 is H or CH 3
- R 2 is H or COOM
- R 3 is an alkyl group of 2 to 4 carbons
- R 4 is an alkyl group of 1 to 3 carbons
- M is H or Na or K or NH. 4 .
- a preparation method of the above ether polycarboxylate herbicide comprising the following steps:
- Preparation of a bifunctional monomer mixing an unsaturated carboxylic acid and/or an acid anhydride, an unsaturated carboxylic acid hydroxy ester, and a polymerization inhibitor, and raising the temperature to 40 to 60 ° C under a nitrogen atmosphere, adding a catalyst, and raising the temperature to 100 ⁇ 140°C, and then constant temperature for 0.5 ⁇ 3h, during which the water is removed by vacuuming or nitrogen-passing water, and after the temperature is finished, it is cooled to room temperature to obtain the first mixture, the above unsaturated carboxylic acid and/or acid anhydride and unsaturated carboxylic acid.
- the molecular weight of the hydroxyester is ⁇ 200, and the molar ratio is 1:2-7, and the amount of the catalyst is 0.5% to 5.0% of the total mass of the unsaturated carboxylic acid and/or the anhydride and the hydroxyester of the unsaturated carboxylic acid, and the amount of the polymerization inhibitor is 0.5% to 5.0% of the total mass of the unsaturated carboxylic acid and / or anhydride and the unsaturated carboxylic acid hydroxy ester;
- (2) copolymerization reaction mixing the first mixture obtained in the step (1) with the ether monomer in a mass ratio of 1 to 2:1 to 2, and then adding a molecular weight modifier to obtain a second mixture, the second mixture
- the mixture and the aqueous solution of the initiator are dropped into water to carry out a reaction, the reaction temperature is maintained at 30 to 80 ° C, the dropping time is 1.0 to 6.0 hours, and the temperature is maintained for 0.5 to 3.0 hours after the completion of the dropwise addition, thereby obtaining a copolymerization product;
- the body is a methyl allyl alcohol polyoxyethylene ether having a molecular weight of 600 to 4000, methallyl polyoxyethylene polyoxypropylene ether, isoamyl alcohol polyoxyethylene ether, and isoamyl alcohol polyoxyethylene polyoxypropylene ether.
- At least one of allyl alcohol polyoxyethylene ether and allyl polyoxyethylene polyoxypropylene ether HPEG, TPEG or APEG having a molecular weight of 600 to 4000
- the total amount of water used in the above reaction is such that the copolymerized product
- the mass concentration is 20-70%
- the initiator is used in an amount of 0.5-3.0% of the total mass of the first mixture and the ether monomer
- the molecular weight modifier is used in the total mass of the first mixture and the ether monomer. 0.2 to 3.0%;
- the unsaturated carboxylic acid and/or acid anhydride of the present invention is at least one of acrylic acid, methacrylic acid, and maleic anhydride.
- the unsaturated carboxylic acid hydroxy ester of the present invention is at least one of hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxybutyl acrylate, hydroxyethyl methacrylate, and hydroxypropyl methacrylate.
- the catalyst is at least one of concentrated sulfuric acid, benzenesulfonic acid, p-toluenesulfonic acid, and ethylsulfonic acid.
- the polymerization inhibitor is at least one of hydroquinone, phenothiazine, and diphenylamine.
- the initiator is a water-soluble inorganic peroxy initiator, a water-soluble redox initiation system or a water-soluble azo initiator; further preferably, the water-soluble inorganic peroxy initiator is ammonium persulfate or potassium persulfate.
- the water-soluble redox initiating system at least one of hydrogen peroxide-hanging block, hydrogen peroxide-ascorbic acid, persulfate-sodium hydrogen sulfite, the water-soluble azo initiator is azo At least one of diisobutylphosphonium hydrochloride, azodiisopropylimidazoline hydrochloride, azobiscyanovaleric acid, and azodiisopropylimidazoline.
- the molecular weight modifier is at least one of thioglycolic acid, mercaptopropionic acid, isopropanol, trisodium phosphate, sodium formate, sodium acetate, and dodecanol.
- the present invention utilizes an unsaturated carboxylic acid and/or an acid anhydride and an unsaturated carboxylic acid hydroxy ester for esterification to prepare a bifunctional monomer, which is prepared by amidation or esterification with a diamine or a diol with an alkenyl acid.
- Bifunctional monomer since only a single-sided esterification reaction can be carried out to obtain a bifunctional monomer, the reaction is easier to carry out, and the reaction is required Time is also shorter;
- the synthetic raw material of the bifunctional monomer obtained in the step (1) of the present invention belongs to a small molecule, has a small molecular weight, and has a relatively small steric hindrance, and is more easily synthesized than a difunctional macromonomer;
- the preparation method of the ether polycarboxylate herbicide of the invention introduces a bifunctional monomer, which can make the product have certain cross-linking, and these cross-linking points and other ester structures introduced during copolymerization (bifunctionality single)
- the unsaturated carboxylic acid hydroxy ester which may remain in the synthesis of the body will gradually hydrolyze under the alkaline condition of the concrete, releasing a certain water-reducing effect, achieving the effect of controlling the slump loss, and due to the different rates of hydrolysis of the structures, Therefore, the duration of the protection effect can be adjusted according to the actual situation, and the adaptability is better.
- the ether polycarboxylate herbicide prepared in the following examples has a molecular weight of 20,000 to 150,000, and has the following structural formula:
- R 1 is H or CH 3
- R 2 is H or COOM
- R 3 is an alkyl group of 2 to 4 carbons
- R 4 is an alkyl group of 1 to 3 carbons
- M is H or Na or K or NH. 4 .
- Preparation of a bifunctional monomer mixing an unsaturated carboxylic acid and/or an acid anhydride, an unsaturated carboxylic acid hydroxy ester, and a polymerization inhibitor, and raising the temperature to 40 to 60 ° C under a nitrogen atmosphere, adding a catalyst, and raising the temperature to 100 ⁇ 140°C, and then constant temperature for 0.5 ⁇ 3h, during which the water is removed by vacuuming or nitrogen-passing water, and after the temperature is finished, it is cooled to room temperature to obtain the first mixture, the above unsaturated carboxylic acid and/or acid anhydride and unsaturated carboxylic acid.
- the molar ratio of the hydroxyester is 1:2 to 7, and the amount of the catalyst is 0.5% to 5.0% of the total mass of the unsaturated carboxylic acid and/or the anhydride and the unsaturated carboxylic acid hydroxy ester, and the amount of the polymerization inhibitor is unsaturated carboxylic acid and And/or an acid anhydride and an unsaturated carboxylic acid hydroxy ester in an amount of from 0.5% to 5.0% by weight; preferably, the unsaturated carboxylic acid and/or anhydride is at least one of acrylic acid, methacrylic acid and maleic anhydride.
- the unsaturated carboxylic acid hydroxy ester is at least one of hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxybutyl acrylate, hydroxyethyl methacrylate, and hydroxypropyl methacrylate.
- the catalyst is at least one of concentrated sulfuric acid, benzenesulfonic acid, p-toluenesulfonic acid, and ethylsulfonic acid.
- the polymerization inhibitor is at least one of hydroquinone, phenothiazine, and diphenylamine;
- (2) copolymerization reaction mixing the first mixture obtained in the step (1) with the ether monomer in a mass ratio of 1 to 2:1 to 2, and then adding a molecular weight modifier to obtain a second mixture, the second mixture
- the mixture and the aqueous solution of the initiator are dropped into water to carry out a reaction, the reaction temperature is maintained at 30 to 80 ° C, the dropping time is 1.0 to 6.0 hours, and the temperature is maintained for 0.5 to 3.0 hours after the completion of the dropwise addition, thereby obtaining a copolymerization product;
- the body is a methyl allyl alcohol polyoxyethylene ether having a molecular weight of 600 to 4000, methallyl polyoxyethylene polyoxypropylene ether, isoamyl alcohol polyoxyethylene ether, and isoamyl alcohol polyoxyethylene polyoxypropylene ether.
- the total amount of water used in the reaction is such that the mass concentration of the copolymerized product is 20 to 70%, and the amount of the initiator is 0.5 to 3.0% of the total mass of the first mixture and the ether monomer.
- the molecular weight modifier is used in an amount of 0.2 to 3.0% of the total mass of the first mixture and the ether monomer; preferably, the initiator is a water-soluble inorganic peroxy initiator, a water-soluble redox initiation system or a water-soluble coupling a nitrogen initiator; further preferably, the water-soluble inorganic Based initiator is At least one of ammonium sulfate and potassium persulfate, wherein the water-soluble redox initiating system is at least one of hydrogen peroxide-hanging block, hydrogen peroxide-ascorbic acid, persulfate-sodium hydrogen sulfite, and the water-soluble couple
- the nitrogen initiator is at least one of azobisisobutylphosphonium hydrochloride, azodiisopropylimidazoline hydrochloride, azobiscyanovaleric acid, and azodiisopropylimidazoline;
- the molecular weight modifier is at least one of
- the invention introduces a bifunctional monomer, which can make the product have certain cross-linking, and these crosslinking points and other ester structures introduced during copolymerization (the unsaturated carboxylic acid hydroxy ester which may remain in the synthesis of the bifunctional monomer) Under the alkaline condition of concrete, it will gradually hydrolyze, releasing a certain water-reducing effect and achieving the effect of controlling slump loss.
Abstract
Description
Claims (8)
- 一种如权利要求1所述的醚类聚羧酸保坍剂的制备方法,其特征在于:包括如下步骤:(1)制备双官能度单体:将不饱和羧酸和/或酸酐、不饱和羧酸羟基酯及阻聚剂混合,在氮气保护下,升温至40~60℃,加入催化剂,升温至100~140℃,再恒温0.5~3h,在恒温期间除去水,恒温结束后降至室温,得到第一混合物,上述不饱和羧酸和/或酸酐和不饱和羧酸羟基酯的分子量≤200,且摩尔比为1∶2~7,催化剂的用量为不饱和羧酸和/或酸酐和不饱和羧酸羟基酯总质量的0.5%~5.0%, 阻聚剂用量为不饱和羧酸和/或酸酐和不饱和羧酸羟基酯总质量的0.5%~5.0%;(2)共聚反应:将步骤(1)制得的第一混合物与醚类单体以1~2∶1~2的质量比混合,再加入分子量调节剂,得第二混合物,将该第二混合物与引发剂的水溶液滴入水中进行反应,保持反应温度为30~80℃,滴加时间为1.0~6.0小时,滴加完毕后保温0.5~3.0小时,即得共聚产物;所述醚类单体为分子量600~4000的甲基烯丙醇聚氧乙烯醚、甲基烯丙基聚氧乙烯聚氧丙烯醚、异戊烯醇聚氧乙烯醚、异戊烯醇聚氧乙烯聚氧丙烯醚、烯丙醇聚氧乙烯醚、烯丙基聚氧乙烯聚氧丙烯醚中的至少一种,上述反应所用水的总量使得该共聚产物的质量浓度为20~70%,所述引发剂的用量为第一混合物和醚类单体总质量的0.5~3.0%,所述分子量调节剂的用量为第一混合物和醚类单体总质量的0.2~3.0%;(3)中和反应:将步骤(2)制得的共聚产物用碱调节pH至5~7,即得所述醚类聚羧酸保坍剂。
- 如权利要求2所述的制备方法,其特征在于:所述不饱和羧酸和/或酸酐为丙烯酸、甲基丙烯酸、马来酸酐中的至少一种。
- 如权利要求2所述的制备方法,其特征在于:所述不饱和羧酸羟基酯为丙烯酸羟乙酯、丙烯酸羟丙酯、丙烯酸羟丁酯、甲基丙烯酸羟乙酯、甲基丙烯酸羟丙酯中的至少一种。
- 如权利要求2所述的制备方法,其特征在于:所述催化剂为浓硫酸、苯磺酸、对甲苯磺酸、乙基磺酸中的至少一种。
- 如权利要求2所述的制备方法,其特征在于:所述阻聚剂为对苯二酚、吩噻嗪、二苯胺中的至少一种。
- 如权利要求2所述的制备方法,其特征在于:所述引发剂为水溶性无机过氧类引发剂、水溶性氧化还原引发体系或水溶性偶氮引发剂。
- 如权利要求2所述的制备方法,其特征在于:所述分子量调节剂为巯基乙酸、巯基丙酸、异丙醇、磷酸三钠、甲酸钠、乙酸钠、十二硫醇中的至少一种。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PH12015502803A PH12015502803B1 (en) | 2014-09-22 | 2015-12-17 | Ether polycarboxylate slump retention agent and method for preparing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410489828.8 | 2014-09-22 | ||
CN201410489828.8A CN104261721B (zh) | 2014-09-22 | 2014-09-22 | 一种醚类聚羧酸保坍剂及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016045421A1 true WO2016045421A1 (zh) | 2016-03-31 |
Family
ID=52153343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2015/082417 WO2016045421A1 (zh) | 2014-09-22 | 2015-06-26 | 一种醚类聚羧酸保坍剂及其制备方法 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN104261721B (zh) |
PH (1) | PH12015502803B1 (zh) |
WO (1) | WO2016045421A1 (zh) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111234198A (zh) * | 2020-03-09 | 2020-06-05 | 浙江皇马新材料科技有限公司 | 一种反应型丙烯酸酯类交联剂的制备方法 |
CN111378079A (zh) * | 2018-12-31 | 2020-07-07 | 江苏苏博特新材料股份有限公司 | 一种分子结构可控的星形聚羧酸减水剂及其制备方法 |
CN111704698A (zh) * | 2020-06-16 | 2020-09-25 | 贵州石博士科技有限公司 | 一种超支化降粘型聚羧酸减水剂的制备方法 |
CN113772989A (zh) * | 2021-09-16 | 2021-12-10 | 重庆富普新材料有限公司 | 一种石灰石基湿拌砂浆专用外加剂母液的制备方法 |
CN114409855A (zh) * | 2022-01-17 | 2022-04-29 | 科之杰新材料集团(广东)有限公司 | 一种缓释型保坍剂及其制备方法 |
CN114478945A (zh) * | 2022-02-24 | 2022-05-13 | 漯河市昊源新材料有限公司 | 一种缓释保坍降粘型聚羧酸系减水剂及其制备方法 |
CN114634600A (zh) * | 2020-12-16 | 2022-06-17 | 辽宁奥克化学股份有限公司 | 一种聚羧酸酯共聚物、及其制备方法以及包含其的聚羧酸减水剂 |
CN114644758A (zh) * | 2020-12-21 | 2022-06-21 | 南京博特新材料有限公司 | 一种抗泥型减水剂及其制备方法 |
CN114644759A (zh) * | 2020-12-21 | 2022-06-21 | 南京博特新材料有限公司 | 一种小分子亚磷酸基减水剂、其制备方法及应用 |
CN114685729A (zh) * | 2020-12-30 | 2022-07-01 | 南京博特新材料有限公司 | 一种含磷酸基固体聚羧酸减水剂的制备方法 |
CN114716622A (zh) * | 2022-03-31 | 2022-07-08 | 华新水泥股份有限公司 | 高固含早强型聚羧酸保坍剂的制备方法 |
CN114772975A (zh) * | 2019-11-20 | 2022-07-22 | 株洲市中建新材料有限公司 | 一种高强度易相容的混凝土强效剂 |
CN114989411A (zh) * | 2021-03-02 | 2022-09-02 | 辽宁奥克化学股份有限公司 | 一种不饱和磷酸酯型聚醚单体及其制备方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104261721B (zh) * | 2014-09-22 | 2016-06-29 | 科之杰新材料集团有限公司 | 一种醚类聚羧酸保坍剂及其制备方法 |
CN105061704B (zh) * | 2015-08-04 | 2018-01-30 | 科之杰新材料集团有限公司 | 一种混凝土水化调节剂的制备方法 |
CN105085823A (zh) * | 2015-08-12 | 2015-11-25 | 吉林众鑫化工集团有限公司 | 一种低敏感性高浓减水剂及其合成方法 |
CN105601836B (zh) * | 2015-11-18 | 2018-06-26 | 科之杰新材料集团有限公司 | 一种醚类缓凝型聚羧酸保坍剂的制备方法 |
CN108084358B (zh) * | 2017-11-14 | 2021-01-15 | 佳化化学(茂名)有限公司 | 一种保塌型聚羧酸减水剂的制备方法 |
CN108003301B (zh) * | 2017-11-14 | 2021-01-15 | 佳化化学(茂名)有限公司 | 一种降粘型聚羧酸减水剂的制备方法 |
CN108084357B (zh) * | 2017-11-14 | 2021-03-16 | 佳化化学(茂名)有限公司 | 一种液态聚羧酸减水剂的制备方法 |
CN108192037B (zh) * | 2017-12-28 | 2020-02-21 | 科之杰新材料集团有限公司 | 一种醚类高分散高保坍聚羧酸减水剂的制备方法 |
CN108047393B (zh) * | 2017-12-28 | 2020-03-06 | 科之杰新材料集团有限公司 | 一种增强降粘型聚羧酸塑化剂的制备方法 |
CN108864374B (zh) * | 2018-06-01 | 2021-05-25 | 科之杰新材料集团有限公司 | 一种醚类高保水型聚羧酸减水剂的制备方法 |
CN109336447B (zh) * | 2018-09-25 | 2021-05-11 | 上海东大化学有限公司 | 一种稳定型保坍剂及其制备和使用方法 |
CN110078404A (zh) * | 2019-04-23 | 2019-08-02 | 桂林理工大学 | 一种醚类聚羧酸保塑剂及其制备方法 |
CN114437337A (zh) * | 2020-11-02 | 2022-05-06 | 辽宁奥克化学股份有限公司 | 一种聚醚酯及其制备方法和应用 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101492518A (zh) * | 2009-02-27 | 2009-07-29 | 上海市建筑科学研究院(集团)有限公司 | 一种醚类聚羧酸减水剂及其制备工艺 |
CN102603996A (zh) * | 2012-02-28 | 2012-07-25 | 武汉理工大学 | 一种醚类聚羧酸保坍剂及其制备方法 |
CN103833939A (zh) * | 2012-11-26 | 2014-06-04 | 科之杰新材料集团有限公司 | 一种交联型聚羧酸专用保坍剂制备方法及该方法制备的保坍剂 |
CN104231188A (zh) * | 2014-09-22 | 2014-12-24 | 科之杰新材料集团有限公司 | 一种酯类聚羧酸保坍剂及其制备方法 |
CN104261721A (zh) * | 2014-09-22 | 2015-01-07 | 科之杰新材料集团有限公司 | 一种醚类聚羧酸保坍剂及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008048266A1 (en) * | 2006-10-20 | 2008-04-24 | Ticona Llc | Polyether ether ketone/ polyphenylene sulfide blend |
CN102391435B (zh) * | 2011-10-09 | 2013-03-13 | 浙江五龙新材股份有限公司 | 一种保坍型聚羧酸系减水剂及其制备方法 |
CN102643042B (zh) * | 2012-04-20 | 2014-05-14 | 株洲加美乐素建材有限公司 | 一种交联型聚羧酸减水剂的制备方法 |
CN103408706A (zh) * | 2013-08-19 | 2013-11-27 | 科之杰新材料集团有限公司 | 一种聚羧酸高性能减水剂及其制备方法 |
CN103788310A (zh) * | 2014-02-19 | 2014-05-14 | 吉林众鑫化工集团有限公司 | 聚羧酸系缓释型减水剂的合成方法 |
-
2014
- 2014-09-22 CN CN201410489828.8A patent/CN104261721B/zh active Active
-
2015
- 2015-06-26 WO PCT/CN2015/082417 patent/WO2016045421A1/zh active Application Filing
- 2015-12-17 PH PH12015502803A patent/PH12015502803B1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101492518A (zh) * | 2009-02-27 | 2009-07-29 | 上海市建筑科学研究院(集团)有限公司 | 一种醚类聚羧酸减水剂及其制备工艺 |
CN102603996A (zh) * | 2012-02-28 | 2012-07-25 | 武汉理工大学 | 一种醚类聚羧酸保坍剂及其制备方法 |
CN103833939A (zh) * | 2012-11-26 | 2014-06-04 | 科之杰新材料集团有限公司 | 一种交联型聚羧酸专用保坍剂制备方法及该方法制备的保坍剂 |
CN104231188A (zh) * | 2014-09-22 | 2014-12-24 | 科之杰新材料集团有限公司 | 一种酯类聚羧酸保坍剂及其制备方法 |
CN104261721A (zh) * | 2014-09-22 | 2015-01-07 | 科之杰新材料集团有限公司 | 一种醚类聚羧酸保坍剂及其制备方法 |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111378079B (zh) * | 2018-12-31 | 2022-04-22 | 江苏苏博特新材料股份有限公司 | 一种分子结构可控的星形聚羧酸减水剂及其制备方法 |
CN111378079A (zh) * | 2018-12-31 | 2020-07-07 | 江苏苏博特新材料股份有限公司 | 一种分子结构可控的星形聚羧酸减水剂及其制备方法 |
CN114772975A (zh) * | 2019-11-20 | 2022-07-22 | 株洲市中建新材料有限公司 | 一种高强度易相容的混凝土强效剂 |
CN111234198A (zh) * | 2020-03-09 | 2020-06-05 | 浙江皇马新材料科技有限公司 | 一种反应型丙烯酸酯类交联剂的制备方法 |
CN111704698A (zh) * | 2020-06-16 | 2020-09-25 | 贵州石博士科技有限公司 | 一种超支化降粘型聚羧酸减水剂的制备方法 |
CN114634600A (zh) * | 2020-12-16 | 2022-06-17 | 辽宁奥克化学股份有限公司 | 一种聚羧酸酯共聚物、及其制备方法以及包含其的聚羧酸减水剂 |
CN114634600B (zh) * | 2020-12-16 | 2023-10-24 | 辽宁奥克化学股份有限公司 | 一种聚羧酸酯共聚物、及其制备方法以及包含其的聚羧酸减水剂 |
CN114644759B (zh) * | 2020-12-21 | 2023-03-14 | 南京博特新材料有限公司 | 一种小分子亚磷酸基减水剂、其制备方法及应用 |
CN114644758A (zh) * | 2020-12-21 | 2022-06-21 | 南京博特新材料有限公司 | 一种抗泥型减水剂及其制备方法 |
CN114644759A (zh) * | 2020-12-21 | 2022-06-21 | 南京博特新材料有限公司 | 一种小分子亚磷酸基减水剂、其制备方法及应用 |
CN114644758B (zh) * | 2020-12-21 | 2023-03-14 | 南京博特新材料有限公司 | 一种抗泥型减水剂及其制备方法 |
CN114685729A (zh) * | 2020-12-30 | 2022-07-01 | 南京博特新材料有限公司 | 一种含磷酸基固体聚羧酸减水剂的制备方法 |
CN114685729B (zh) * | 2020-12-30 | 2023-08-08 | 南京博特新材料有限公司 | 一种含磷酸基固体聚羧酸减水剂的制备方法 |
CN114989411A (zh) * | 2021-03-02 | 2022-09-02 | 辽宁奥克化学股份有限公司 | 一种不饱和磷酸酯型聚醚单体及其制备方法 |
CN113772989A (zh) * | 2021-09-16 | 2021-12-10 | 重庆富普新材料有限公司 | 一种石灰石基湿拌砂浆专用外加剂母液的制备方法 |
CN114409855A (zh) * | 2022-01-17 | 2022-04-29 | 科之杰新材料集团(广东)有限公司 | 一种缓释型保坍剂及其制备方法 |
CN114478945A (zh) * | 2022-02-24 | 2022-05-13 | 漯河市昊源新材料有限公司 | 一种缓释保坍降粘型聚羧酸系减水剂及其制备方法 |
CN114478945B (zh) * | 2022-02-24 | 2023-11-03 | 漯河市昊源新材料有限公司 | 一种缓释保坍降粘型聚羧酸系减水剂及其制备方法 |
CN114716622A (zh) * | 2022-03-31 | 2022-07-08 | 华新水泥股份有限公司 | 高固含早强型聚羧酸保坍剂的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104261721A (zh) | 2015-01-07 |
CN104261721B (zh) | 2016-06-29 |
PH12015502803A1 (en) | 2016-03-21 |
PH12015502803B1 (en) | 2016-03-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016045421A1 (zh) | 一种醚类聚羧酸保坍剂及其制备方法 | |
CN103881029B (zh) | 缓释型聚羧酸高性能保坍剂的无热源短时间制备方法 | |
CN109970921B (zh) | 一种高减水低敏感聚羧酸减水剂及其制备方法 | |
WO2016026346A1 (zh) | 一种高适应性醚类聚羧酸减水剂的低温制备方法 | |
CN108047393B (zh) | 一种增强降粘型聚羧酸塑化剂的制备方法 | |
CN104231188B (zh) | 一种酯类聚羧酸保坍剂及其制备方法 | |
CN108948288B (zh) | 一种采用羧基功能单体的交联型聚羧酸减水剂制备方法 | |
CN108911561A (zh) | 一种2200分子量聚醚用聚羧酸保坍剂及制备方法 | |
WO2020001169A1 (zh) | 一种缓凝型醚类聚羧酸减水剂的制备方法 | |
CN110845672A (zh) | 一种聚羧酸系混凝土减胶剂及其制备方法 | |
WO2023221264A1 (zh) | 一种超支化固体聚羧酸减水剂的制备方法 | |
CN111548459A (zh) | 一种高保坍型聚羧酸减水剂的制备方法 | |
WO2020001008A1 (zh) | 一种微交联粉体聚羧酸减水剂的制备方法 | |
CN107602782B (zh) | 含聚脲结构的聚羧酸减水剂的制备方法 | |
CN106432626B (zh) | 一种酯类保坍型聚羧酸减水剂的制备方法 | |
CN106117454B (zh) | 一种低敏感聚羧酸减水剂及其制备方法 | |
CN104945576A (zh) | 一种高效减水剂的制备方法、产品及应用 | |
CN108047389B (zh) | 一种低敏感型混凝土流动性稳定剂的制备方法 | |
CN110698609A (zh) | 一种常温合成聚羧酸高性能减水剂、制备方法及其应用 | |
CN112708054B (zh) | 一种混凝土构件用聚羧酸减水剂及其制备方法 | |
CN108218278B (zh) | 一种酯类高分散高保坍聚羧酸减水剂的制备方法 | |
CN106366258A (zh) | 一种改性聚羧酸保坍剂母料的制备方法 | |
CN108586672A (zh) | 一种交联型聚羧酸超塑化剂及其制备方法和应用 | |
CN108218282B (zh) | 一种抗泥降粘型聚羧酸塑化剂的制备方法 | |
CN108586665B (zh) | 一种醚类保水触变型聚羧酸减水剂的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: PH12015502803 Country of ref document: PH Ref document number: 12015502803 Country of ref document: PH |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15843954 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 14.09.2017) |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 14.09.2017) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15843954 Country of ref document: EP Kind code of ref document: A1 |