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公开(公告)号：WO2022002679A1
公开(公告)日：2022-01-06
申请号：PCT/EP2021/066905
申请日：2021-06-22
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： YANG, Ling , ZHENG, Junchao , LIU, Hao , MA, Yaguang , SHEN, Jianping , LI, Jinqi
IPC: C08G18/10 , C08G18/28 , C08G18/38 , C08G18/72 , C08G18/79 , C09J175/08 , C08G18/283 , C08G18/3821 , C08G18/722 , C08G18/792 , C08G18/798
Abstract: The present invention relates to a two-component coating composition, to a method for applying the composition and to the use of the composition, and to a product obtained by coating with the coating composition. The two-component coating composition contains an A-component containing a polyaspartic ester and a B-component containing a polyether-modified polyisocyanate, and the composition has a molar ratio of isocyanate groups to amino groups of 0.8:1-4:1. The two-component coating composition provided by the invention has the advantages of a long working time, quick drying, a high hardness and a high bubble-free film thickness.
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公开(公告)号：WO2020016292A1
公开(公告)日：2020-01-23
申请号：PCT/EP2019/069232
申请日：2019-07-17
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： GRESZTA-FRANZ, Dorota , SHEN, Jianping , ZHENG, Junchao , XU, Yifeng , YANG, Ling , LI, Jingqi , LI, Hongchao , LIU, Hao
IPC: C08G18/72 , C08G18/79 , C08G18/10 , C09D175/02 , C09D175/04 , C09D175/12 , C08G18/38 , C08G18/12
Abstract: The present invention relates to a coating composition, a coating method and use of the composition, and a product coated with the coating composition. The coating composition comprises: (a) an isocyanate-reactive component comprising: (a1) at least one polyaspartic ester, and (a2) optionally a polyetheraspartic ester; (b) an isocyanate component comprising: (b1) at least one isocyanate prepolymer having an isocyanate group equivalent of 300 to 1100, and (b2) at least one isocyanate oligomer containing not less than two isocyanate groups, the weight ratio of the isocyanate prepolymer (b1) to the isocyanate oligomer (b2) being from 1:4 to 4:1; (c) a catalyst; and (d) optionally an additive; wherein the coating composition has a molar ratio of isocyanate groups to isocyanate-reactive groups of 1.5:1 to 8:1. The coating composition provided by the present invention has a long pot life, and the resulting coating has the advantages of fast drying and high hardness.
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公开(公告)号：WO2019157625A1
公开(公告)日：2019-08-22
申请号：PCT/CN2018/076632
申请日：2018-02-13
Applicant: COVESTRO DEUTSCHLAND AG , LI, Hongchao
Inventor： LI, Hongchao , IRLE, Christoph , MAGER, Dieter , LIU, Hao , YANG, Ling , XU, Na , SHI, Guoping
IPC: C08G18/76 , C08G18/82 , C08G18/10 , C09D175/04
Abstract: The invention relates to an aromatic allophanate polyisocyanate based on aromatic diisocyanates, containing a) ≥ 15 mol-% of allophanate groups, based on the sum of urethane, allophanate and isocyanurate groups, b) ≤ 50 mol-% of isocyanurate groups, based on the sum of urethane, allophanate and isocyanurate groups and c) ≤ 1.5% by weight of monomeric diisocyanates, based on the total weight of the aromatic allophanate polyisocyanate. Furthermore, the invention relates to a process for producing aromatic allophanate polyisocyanates and their use in polyisocyanate compositions or two-component systems.
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4.发明申请
公开(公告)号：WO2018076199A1
公开(公告)日：2018-05-03
申请号：PCT/CN2016/103357
申请日：2016-10-26
Inventor： IRLE, Christoph , GROTH, Stefan , WU, Ruiwen , MIDOLO, Antonio , MALEIKA, Robert , LI, Hongchao , LIU, Hao
IPC: C08G18/02 , C08L75/02 , C09D201/02
Abstract: The invention relates to a polyisocyanate which is based on tolylene 2, 4-diisocyanate, tolylene 2, 6-diisocyanate or a mixture of tolylene 2, 4-and 2, 6-diisocyanate and has isocyanurate groups, wherein the polyisocyanate has a) a weight average molecular weight of from ≥ 350 to ≤ 800 g/mol, determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1: 2016-03, b) a polydispersity D of from ＞1 to ≤ 1.5, where the polydispersity D is the ratio of weight average and number average molecular weight of the polyisocyanate and the weight average and number average molecular weight are in each case determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1: 2016-03, and c) a content of monomeric tolylene diisocyanate of ≤ 1％ by weight, based on the total weight of the polyisocyanate.
Abstract translation: 本发明涉及基于甲苯2,4-二异氰酸酯，甲苯2,6,6-二异氰酸酯或甲苯2,4,4-和2,6-二异氰酸酯的混合物并且具有异氰脲酸酯基团的聚异氰酸酯 其中所述多异氰酸酯具有a）根据DIN 55672-1：2016-03通过使用聚苯乙烯标准物和四氢呋喃作为洗脱液的凝胶渗透色谱法测定的重均分子量≥350至≤800g/ mol， b）> 1至≤1.5的多分散性D，其中多分散性D是多异氰酸酯的重均分子量和数均分子量之比，重均分子量和数均分子量在每种情况下通过凝胶渗透 根据DIN 55672-1：2016-03，使用聚苯乙烯标准品和四氢呋喃作为洗脱剂进行色谱分析，和c）基于多异氰酸酯的总重量，≤1重量％的单体甲苯二异氰酸酯的含量。
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公开(公告)号：WO2018076198A1
公开(公告)日：2018-05-03
申请号：PCT/CN2016/103356
申请日：2016-10-26
Inventor： IRLE, Christoph , GROTH, Stefan , WU, Ruiwen , MIDOLO, Antonio , MALEIKA, Robert , LI, Hongchao , LIU, Hao
IPC: C07C265/14 , C08G18/76 , C08G18/79 , C09D175/04
Abstract: The invention relates to a polyisocyanate mixture comprising at least one polyisocyanurate which is based on tolylene diisocyanate and has isocyanate groups and at least one polyurethane which is based on tolylene diisocyanate and has isocyanate groups, wherein the polyisocyanate mixture has a) a solids content of from ≥ 51 to ≤ 90％ by weight, based on the total weight of the polyisocyanate mixture and b) a content of monomeric tolylene diisocyanate of ≤ 0.9％ by weight, based on the total weight of the polyisocyanate mixture, and the polyisocyanurate which is based on tolylene diisocyanate and has isocyanate groups has a polydispersity D of from ≥ 1 to ≤ 1.5, based on the total weight of the polyisocyanurate which is based on tolylene diisocyanate and has isocyanate groups, where the polydispersity D is the ratio of weight average and number average molecular weight of the polyisocyanurate and the weight average and number average molecular weight is in each case determined by means of gel permeation chromatography using a polystyrene standard and tetrahydrofuran as eluent in accordance with DIN 55672-1:2016-03.
Abstract translation: 本发明涉及一种多异氰酸酯混合物，其包含至少一种基于甲苯二异氰酸酯并具有异氰酸酯基团的聚异氰脲酸酯和至少一种基于甲苯二异氰酸酯并具有异氰酸酯基团的聚氨酯，其中所述多异氰酸酯混合物 具有a）基于多异氰酸酯混合物的总重量，≥51重量％至≤90重量％的固体含量和b）基于多异氰酸酯的总重量≤0.9重量％的单体甲苯二异氰酸酯的含量 基于甲苯二异氰酸酯并且具有异氰酸酯基团的聚异氰脲酸酯具有≥1至≤1.5的多分散性D，基于基于甲苯二异氰酸酯并具有异氰酸酯基团的聚异氰脲酸酯的总重量，其中多分散性D 是聚异氰脲酸酯的重均分子量和数均分子量之比，重均分子量和数均分子量分别为 通过使用聚苯乙烯标准物和四氢呋喃作为洗脱液的凝胶渗透色谱法根据DIN 55672-1：2016-03测定。
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Patent Agency Ranking
公开(公告)号：WO2022069561A1
公开(公告)日：2022-04-07
申请号：PCT/EP2021/076827
申请日：2021-09-29
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： LIU, Hao , MA, Yaguang , XU, Na , XIA, Tian , LAAS, Hans-Josef , PIRES, Raul
IPC: C08G18/02 , C08G18/78 , C08G18/79 , C08G18/73 , C08G18/08 , C08G18/70 , C08G18/80 , C08G18/62 , C09D175/04
Abstract: The invention relates to a modified polyisocyanate and use thereof, especially as a crosslinking component in a water-soluble or water-dispersible coating composition. The modified polyisocyanate comprises iminooxadiazinedione structure and isocyanurate structure, wherein the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure is not less than 1: 5; and relative to the total weight of the modified polyisocyanate, the total amount of molecules with a number average molecular weight greater than 2700 g/mol in the modified polyisocyanate is 4.1% by weight to 22% by weight; and the modified polyisocyanate is obtainable by the reaction of: an aminosulfonic acid, a polyisocyanate; a tertiary amine; and optionally a polyether alcohol containing ethylene oxide groups.
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公开(公告)号：WO2020094689A1
公开(公告)日：2020-05-14
申请号：PCT/EP2019/080333
申请日：2019-11-06
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： ZHENG, Junchao , SHEN, Jianping , LIU, Hao , YANG, Ling , LI, Jinqi
IPC: C08G18/48 , C08G18/73 , C08G18/79 , C08G18/10 , C09D175/04 , C09D175/08 , C08G18/38 , C08G18/32
Abstract: The present invention relates to a coating composition, a coating method and use of the composition, and a product coated with the coating composition. The coating composition comprises: (a) an isocyanate-reactive component; (b) an isocyanate component comprising: (b1) at least one isocyanate prepolymer, the isocyanate prepolymer being a reaction product of components comprising at least one aliphatic isocyanate and at least one polyether polyol, the polyether polyol having a weight-average molecular weight of 400 to 6000 and the structure of HO-R 1 n -R 2 ; and (b2) at least one isocyanate oligomer containing not less than two isocyanate groups, the weight ratio of the isocyanate prepolymer (b1) to the isocyanate oligomer (b2) being greater than 1:4 and less than 4:1; and (c) a catalyst; wherein the molar ratio of the isocyanate groups to the isocyanate-reactive groups in the coating composition is from 1.5:1 to 4:1.
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公开(公告)号：WO2022144200A1
公开(公告)日：2022-07-07
申请号：PCT/EP2021/086757
申请日：2021-12-20
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： YANG, Ling , YAO, Mei , LIU, Hao , LI, Jinqi , SHEN, Jianping , XU, Na
Abstract: The invention relates to a two-component coating system and a preparation method and use thereof, as well as grout or caulk comprising the coating system. The two-component coating system comprises component A comprising a polyaspartic acid ester and component B comprising a polyisocyanate, wherein the polyisocyanate has isocyanate functionality of not less than 4, and the polyisocyanate comprises allophanate groups and isocyanurate groups, and the ratio of moles of the allophanate groups to the sum of moles of the isocyanurate groups and the allophanate groups is of not less than 65:100. The two-component coating system of the present invention forms a coating with small bubble area and good resistance to yellowing and to stain resistance.
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公开(公告)号：WO2020109189A1
公开(公告)日：2020-06-04
申请号：PCT/EP2019/082334
申请日：2019-11-25
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： LAAS, Hans-Josef , LIU, Hao , XU, Na , SHI, Guoping , MA, Yaguang , XIA, Tian
IPC: C08G18/62 , C07D273/04 , C08G18/78 , C08G18/79 , C08G18/80 , C09D175/04 , C08G18/08 , C08G18/70 , C08G18/28
Abstract: The present invention relates to a modified polyisocyanate and use thereof, in particular as a crosslinking component of water-soluble or water-dispersible coatings. The modified polyisocyanate is obtained by a reaction of a system comprising the following components: at least an aminosulfonic acid; at least a polyisocyanate; at least a tertiary amine; and optionally a polyether alcohol containing an ethylene oxide group. The modified polyisocyanate comprises at least an iminooxadiazinedione structure and at least an isocyanurate structure, the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure being 1:300 to 1:5. The amount of sulfonate group of the modified polyisocyanate is 0.75% by weight to 1.1% by weight, based on the amount of the modified polyisocyanate as 100% by weight. The viscosity thereof is 500 mPa·s to 10000 mPa·s, as determined according to DIN EN ISO 3219:1994-10 at a temperature of 23°C and a shear rate of 10 s -1 . The coating comprising the modified polyisocyanate of the present invention can be manually stirred well, and the resulting coating layer has high gloss and good transparency.
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公开(公告)号：WO2023072993A1
公开(公告)日：2023-05-04
申请号：PCT/EP2022/079888
申请日：2022-10-26
Applicant: COVESTRO DEUTSCHLAND AG
Inventor： GAO, Han , LIU, Hao , GUO, Ruijing , ZHANG, Mengyang , THOMPSON-COLÓN, Jim A.
Abstract: A method and system for determining a target recipe of a compound with desired attributes are provided in the invention, characterized in that the method comprises: a) performing simulation synthesis for each of a plurality of recipes, and calculating on the simulation synthesis one or more descriptors of each recipe, wherein the descriptors are used to characterize the simulated product of a corresponding recipe; b) performing synthesis for each of a plurality of recipes, and measuring one or more properties of each recipe, wherein the properties are used to describe the attributes of a corresponding recipe; c) training one or more machine learning models by using the values of the descriptors and the properties obtained by step a) and step b) as training samples, wherein the machine learning models correlates the descriptors of the recipes with the properties of the recipes; and d) generating a plurality of candidate recipes, performing simulation synthesis for each of the plurality of candidate recipes, and, using the trained machine learning model obtained by step c), to predict one or more properties of each candidate recipe, thus determining one or more target recipes from the plurality of candidate recipes.
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