CN101265315B - 制备稳定聚合物的方法 - Google Patents
制备稳定聚合物的方法 Download PDFInfo
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- CN101265315B CN101265315B CN2007101999446A CN200710199944A CN101265315B CN 101265315 B CN101265315 B CN 101265315B CN 2007101999446 A CN2007101999446 A CN 2007101999446A CN 200710199944 A CN200710199944 A CN 200710199944A CN 101265315 B CN101265315 B CN 101265315B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7678—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing condensed aromatic rings
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
预聚物编号 | 储存温度 | 时间 | 粘度 | NCO值 | 外观 |
[℃] | [h] | T温度[mPas] | [wt.%NCO] | [在50℃] | |
1.1 | 65 | 16 | 120℃1320 | 3.9 | 透明 |
1.2 | 80 | 48 | 120℃1440 | 3.8 | 透明 |
1.3 | 100 | 24 | 120℃1920 | 3.6 | 透明 |
1.4 | 23 | 1000 | 120℃1320 | 3.9 | 透明 |
1.5 | 23 | 0 | 120℃1320 | 3.9 | 透明 |
浇铸弹性体 | A | B | C | D | ||
预聚物 | 1.1 | 1.2 | 1.3 | 1.4 | ||
预骤物储存条件 | 储存时间 | [h] | 16 | 48 | 24 | 1000 |
储存温度 | [℃] | 65 | 80 | 100 | 23 | |
NCO(理论) | [wt%] | 398 | 3.98 | 3.98 | 3.98 | |
NCO(测量) | [wt%] | 39 | 3.8 | 3.6 | 3.9 | |
配方 | 预聚物 | [重量份] | 100 | 100 | 100 | 100 |
1,4-丁二醇 | [重量份] | 3.55 | 3.55 | 3.55 | 3.55 | |
理论特征值 | 121 | 121 | 121 | 121 | ||
加工 | 预聚物温度 | [℃] | 110 | 110 | 110 | 110 |
丁二醇温度 | [℃] | 23 | 23 | 23 | 23 | |
浇铸时间 | [s] | 195 | 255 | 240 | 210 | |
释放时间 | [min] | 11 | 11 | 12 | 12 | |
模塑温度 | [℃] | 108 | 108 | 108 | 110 | |
脱模时间 | [min] | 18 | 18 | 18 | 18 | |
机械性能 | 硬度,DIN 53505 | [肖氏A] | 95 | 95 | 94 | 91 |
硬度,DIN 53505 | [肖氏D] | 45 | 38 | 36 | 46 | |
应力100%,DIN 53504 | [MPa] | 10.55 | 10.67 | 9.54 | 11.31 | |
应力300%,DIN 53504 | [MPa] | 15.44 | 16.11 | 16 | 16.86 | |
屈服应力,DIN 53504 | [MPa] | 42.4 | 47.7 | 46.6 | 44.14 | |
断裂伸长率,DIN53504 | [%] | 611 | 596 | 522 | 559 | |
DIN 53515 | 撕裂传播强度 | [kN/m] | 47.97 | 44.12 | 33.28 | 54.6 |
DIN 53516 | 磨损 | [mm3] | 34 | 40 | 43 | 28 |
DIN 53420 | 密度 | [g/mm3] | 1.159 | 1.16 | 1.15 | 1.161 |
DIN 53517 | 压缩形变,70℃ | [%] | 27.3 | 28.1 | 27.6 | 26 |
配方 | 3.1C | 3.2C | 3.3 | 3.4 | 3.5 | 3.6 | 3.7C | |
聚-ε-己内酯*) | [重量份] | 80 | 80 | 80 | 80 | 80 | 80 | 80 |
NDI | [重量份] | 11.55 | 14.70 | 18.38 | 20.48 | 20.48 | 24.15 | 28.35 |
NDI/聚-ε-己内酯摩尔比 | 1.1∶1 | 14∶1 | 1.75∶1 | 1.95∶1 | 1.95∶1 | 2.3∶1 | 2.7∶1 | |
游离NDI(理论) | [wt%] | 0.60 | 1.00 | 1.49 | 2.38 | 2.38 | 3.50 | 4.00 |
多元醇起始温度 | [℃] | 112 | 116 | 118 | 117 | 117 | 122 | 125 |
放热,Tmax | [℃] | 129.5 | 128.1 | 129.5 | 127.6 | 127.3 | 125.9 | 125.7 |
达到Tmax反应时间 | [min] | 16 | 13 | 17 | 11 | 16 | 12 | 12 |
NCO,理论 | [wt%] | 0.46 | 1.77 | 3.20 | 3.98 | 3.98 | 5.24 | 6.58 |
NCO,测定 | [wt%] | 0.28 | 1.58 | 2.95 | 3.66 | 3.72 | 5.03 | 6.32 |
粘度**) | [mPas在120℃] | >100000 | 8700 | 1650 | 1110 | 1050 | 625 | 435 |
粘度**) | [mPas在100℃] | >100000 | 18500 | 3100 | 2150 | 2050 | 1020 | 815 |
储存后粘度 | ||||||||
在100℃24h | [mPas在120℃] | n.d. | 15200 | 4550 | 2700 | 2600 | 1220 | 875 |
在100℃24h | [mPas在100℃] | n.d. | 38900 | 10400 | 4850 | 4700 | 2120 | 1700 |
在80℃48h | [mPas在120℃] | n.d. | 14700 | 2350 | 1350 | 1350 | 800 | 545 |
在80℃48h | [mPas在100℃] | n.d. | 35400 | 4700 | 2400 | 2430 | 1500 | 1035 |
15月/室温 | [mPas在120℃] | n.d. | 10700 | 1900 | 1250 | 1100 | 700 | 540 |
15月/室温 | [mPas在100℃] | n.d. | 23000 | 3700 | 2450 | 2250 | 1405 | 1114 |
储存后NCO | ||||||||
在100℃24h | [wt%] | n.d. | 1.38 | 2.63 | 3.37 | 3.32 | 4.54 | 5.79 |
在100℃48h | [wt%] | n.d. | 1.47 | 2.78 | 3.56 | 3.59 | 4.72 | 5.97 |
15月/室温 | [wt%] | n.d. | 1.51 | 2.86 | 3.58 | 3.64 | 4.78 | 6.42 |
室温下聚集条件 | ||||||||
1天后 | 固体 | 浑浊 | 透明 | 透明 | 透明 | 透明 | 浑浊 | |
3天后 | 固体 | 浑浊 | 透明 | 透明 | 透明 | 透明+) | 固体 | |
7天后 | 固体 | 浑浊 | 浑浊 | 透明 | 透明 | 透明+) | 固体 | |
15月后斑点 | 固体 | 无 | 无 | 有 | 有 | 有 | 有 | |
形成透明熔体温度 | [℃] | 50 | 50 | 60 | 50 | 85 | >95 |
E | F | G | H | I | J | K | |||
预聚物储存条件 | 储存时间 | [h] | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
储存温度 | [℃] | 65 | 65 | 65 | 65 | 65 | 65 | 65 | |
配方 | 预聚物编号 | [100份] | 3.1C | 3.2C | 3.3 | 3.4 | 3.5 | 3.6 | 3.7C |
NCO(理论) | [wt%] | 0.50 | 1.77 | 3.20 | 3.98 | 3.98 | 5.24 | 6.58 | |
交联剂B | [重量份] | n/a | 1.65 | 2.98 | 3.71 | 3.71 | 4.88 | 6.13 | |
特征值 | 115 | 115 | 115 | 115 | 115 | 115 | |||
加工 | 制备温度 | [℃] | 130 | 110 | 110 | 110 | 110 | 110 | |
交联剂温度 | [℃] | 23 | 23 | 23 | 23 | 23 | 23 | ||
浇铸时间 | [s] | 150 | 135 | 140 | 105 | 60 | |||
释放时间 | [min] | 18 | 10 | 10 | 8 | 6 | |||
工作台温度 | [℃] | 125 | 125 | 125 | 125 | 125 | |||
模塑温度 | [℃] | 116 | 116 | 116 | 116 | 116 | |||
脱模时间 | [min] | 18 | 25 | 18 | 18 | 18 | 18 | ||
机械性能 | 硬度(DIN53505) | [肖氏A] | 80 | 91 | 92 | 91 | 93 | 93 | |
DIN 53504 | 应力100% | [MPa] | 4.86 | 8.02 | 9.85 | 10.23 | 12.7 | 14.38 | |
DIN 53504 | 应力300% | [MPa] | 8.14 | 12.07 | 15.08 | 16 | 18.87 | 21.62 | |
DIN 53504 | 屈服应力 | [MPa] | 18.93 | 31.56 | 45.5 | 46.15 | 42.92 | 33.51 | |
DIN 53504 | 断裂伸长率 | [%] | 551 | 633 | 570 | 541 | 523 | 437 | |
DIN 53515 | 撕裂传播强度 | [kN/m] | 43.9 | 39.6 | 43.8 | 47.5 | 55.6 | 57.2 | |
DIN 53516 | 磨损 | [mm3] | 96 | 49 | 33 | 44 | 33 | 41 | |
DIN 53420 | 密度 | [g/mm3] | 1.141 | 1.153 | 1.158 | 1.159 | 1.167 | 1.176 | |
DIN 53517 | CS 22℃ | [%] | 30.8 | 22.7 | 21.1 | 22.2 | 32.4 | 7.2 | |
DIN 53517 | CS 70℃ | [%] | 66.1 | 48.3 | 31.5 | 36.6 | 34.7 | 28.9 | |
DIN 53517 | CS 100℃ | [%] | 83.9 | 58.1 | 42.3 | 43.4 | 41.8 | 39 | |
DIN 53517 | CS 120℃ | [%] | 113.5 | 97.2 | 81.4 | 80.4 | 74.4 | 77.1 |
实施例 | 5 | |
配方 | ||
多元醇与NDI重量比 | 80∶21.625 | |
多元醇中的BHT | [ppm] | 500 |
理论NCO含量 | [wt.%NCO] | 4.43 |
机器参数 | ||
流速 | [lbx/hr] | 200 |
轴的转速 | [rpm] | 250 |
轴的温度 | [℃] | 200 |
区段1的温度 | [℃] | 200 |
区段2的温度 | [℃] | 200 |
区段3的温度 | [℃] | 100 |
区段4的温度 | [℃] | 70 |
区段5的温度 | [℃] | 70 |
排料阀的温度 | [℃] | 75 |
预聚物性能 | ||
排出的预聚物温度 | [℃] | 约100 |
60℃储存16小时后NCO含量 | [wt.%NCO] | 4.22 |
外观 | 透明 | |
80℃储存24小时后NCO含量 | [wt.%NCO] | 4.22 |
23℃储存24小时后NCO含量 | [wt.%NCO] | 4.26 |
粘度(100℃) | [mPas] | 1612 |
配方: | 实施例: | 6 | 8 | 7 | |
NCO预聚物 | [重量份] | 100 | 100 | 100 | |
NDI | [重量份] | ||||
聚酯2 | [wt%] | 13.8 | 27.5 | ||
NCO值,计算 | [wt%] | 4.43 | 3.48 | 2.75 | |
NCO值,实验 | [wt%] | 4.21 | |||
1,4-丁二醇 | [wt%] | 3.95 | 3.45 | 2.95 | |
加工 | |||||
预聚物温度 | [℃] | 100 | 100 | 100 | |
交联剂温度 | [℃] | 23 | 80 | 80 | |
浇铸时间 | [s] | 165 | 255 | 285 | |
释放时间 | [min] | 9 | 17 | 20 | |
模塑温度 | [℃] | 110 | 110 | 110 | |
脱模时间 | [min] | 18 | 30 | 30 | |
机械性能 | |||||
DIN 53505 | 肖氏A硬度 | [肖氏A] | 94 | 92 | 89 |
DIN 53505 | 肖氏D硬度 | [肖氏D] | 43 | 42 | 38 |
DIN 53504 | 应力50% | [MPa] | 9.68 | 6.51 | 5.15 |
DIN 53504 | 应力100% | [MPa] | 11.7 | 8.2 | 6.5 |
DIN 53504 | 应力300% | [MPa] | 16.8 | 13.2 | 10.6 |
DIN 53504 | 屈服应力 | [MPa] | 37.5 | 40.6 | 43.1 |
DIN 53504 | 断裂伸长率 | [%] | 556 | 544 | 577 |
Graves | [kN/m] | 53.9 | 33.7 | 28.2 | |
冲击回弹性 | [%] | 72 | 72 | 73 | |
DIN 53516 | 磨损(DIN) | [mm3] | 28 | 31 | 34 |
DIN 53420 | 密度 | [g/mm3] | 1.160 | 1.15 | 1.15 |
DIN 53517 | CS22℃ | [%] | 17.3 | 14.0 | 13.9 |
DIN 53517 | CS70℃ | [%] | 25.8 | 22.7 | 24.3 |
DIN 53517 | CS100℃ | [%] | 35.7 | 36.0 | 35.1 |
G′模量,0℃ | [MPa] | 37.11 | 19.2 | 23.1 | |
G′模量,20℃ | [MPa] | 36.9 | 19.6 | 23.6 | |
G′模量,50℃ | [MPa] | 35.97 | 19.8 | 23.5 | |
G′模量,80℃ | [MPa] | 34.57 | 19.1 | 22.9 | |
G′模量,110℃ | [MPa] | 34.69 | 19.4 | 23.2 | |
Tanδ,0℃ | 0.028 | 0.02 | 0.02 | ||
Tanδ,20℃ | 0.015 | 0.01 | 0.01 | ||
Tanδ,50℃ | 0.015 | 0.01 | 0.01 | ||
Tanδ,80℃ | 0.011 | 0.01 | 0.01 | ||
Tanδ,110℃ | 0.008 | 0.01 | 0.01 | ||
Tanδ最大值的温度 | [℃] | -37 | -38 | -38 | |
Tanδ最小值的温度 | [℃] | 125 | 105 | 105 | |
G″模量,0℃ | [MPa] | 1.03 | 0.56 | 0.45 | |
G″模量,20℃ | [MPa] | 0.57 | 0.34 | 0.27 | |
G″模量,50℃ | [MPa] | 0.52 | 0.34 | 0.28 | |
G″模量,80℃ | [MPa] | 0.37 | 0.26 | 0.22 | |
G″模量,110℃ | [MPa] | 0.27 | 0.22 | 0.20 | |
软化温度 | [℃] | 175 | 170 | 170 |
试验 | 反应结束时温度 | 达到下述温度时间 | 储存温度 | 测量粘度前储存时间 | 粘度 | NCO含量 | 各温度段停留时间 | 满足冷却要求1 | |||||
[℃] | 110℃[min] | 90℃[min] | 70℃[min] | [℃] | [h] | [mPas]at100℃ | [wt.%NCO] | A)[h] | B)[h] | C)[h] | D)[h] | ||
9.0 | 130 | 130 | 0 | 1450 | 3.86 | n.a. | n.a. | n.a. | n.a. | ||||
9.1(comp.) | 130 | 130 | 0.5 | 1550 | 3.83 | 0.5 | A) | ||||||
9.2(comp.) | 130 | 130 | 1 | 1790 | 3.77 | 1 | 否 | ||||||
9.3(comp.) | 130 | 130 | 2 | 2150 | 3.70 | 2 | 否 | ||||||
9.4(comp.) | 130 | 130 | 4 | 4660 | 3.44 | 4 | 否 | ||||||
9.5(comp.) | 130 | 60 | 110 | 1.5 | 1640 | 3.82 | 0 | 1 | A)和B) | ||||
9.6(comp.) | 130 | 60 | 110 | 2 | 1710 | 3.81 | 0 | 2 | A) | ||||
9.7(comp.) | 130 | 60 | 110 | 4 | 2050 | 3.74 | 0 | 4 | A) | ||||
9.8(comp.) | 130 | 60 | 110 | 24 | 4820 | 3.62 | 0 | 24 | A) | ||||
9.9(comp.) | 130 | 7 | 55 | 90 | 1 | 1590 | 3.83 | 0 | 0.12 | 1 | A),B)和C) | ||
9.10(comp.) | 130 | 7 | 55 | 90 | 8 | 1680 | 3.79 | 0 | 0.12 | 8 | A)和B) | ||
9.11(comp.) | 130 | 7 | 55 | 90 | 24 | 1860 | 3.66 | 0 | 0.12 | 24 | A)和B) | ||
9.12(comp.) | 130 | 7 | 55 | 90 | 72 | 3230 | 3.43 | 0 | 0.12 | 72 | A)和B) | ||
9.13inv. | 130 | 4 | 12 | 50 | 70 | 8 | 1440 | 3.83 | 0 | 0.07 | 0.2 | 8 | A),B),C)和D) |
9.14inv. | 130 | 4 | 12 | 50 | 70 | 24 | 1560 | 3.80 | 0 | 0.07 | 0.2 | 24 | A),B),C)和D) |
9.15inv. | 130 | 4 | 12 | 50 | 70 | 48 | 1640 | 3.74 | 0 | 0.07 | 0.2 | 48 | A),B),C)和D) |
9.16inv. | 130 | 4 | 12 | 50 | 70 | 72 | 1660 | 3.68 | 0 | 0.07 | 0.2 | 72 | A),B),C)和D) |
Claims (7)
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US11/591779 | 2006-11-02 | ||
US11/591,779 US8110704B2 (en) | 2006-11-02 | 2006-11-02 | Process for the production of stable polymers |
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CN101265315B true CN101265315B (zh) | 2011-11-30 |
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US (1) | US8110704B2 (zh) |
EP (1) | EP1918315B1 (zh) |
JP (1) | JP2008115391A (zh) |
KR (1) | KR20080040583A (zh) |
CN (1) | CN101265315B (zh) |
AU (1) | AU2007231693A1 (zh) |
BR (1) | BRPI0705908A2 (zh) |
CA (1) | CA2608888A1 (zh) |
ES (1) | ES2399109T3 (zh) |
MX (1) | MX2007013747A (zh) |
RU (1) | RU2007140397A (zh) |
ZA (1) | ZA200709363B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102007031546A1 (de) * | 2007-06-01 | 2008-12-04 | Bayer Materialscience Ag | Verfahren zur Herstellung von thermoplastischen Polyurethanen auf Basis 1,5-Naphthalindiisocyanat |
EP1997841A3 (de) * | 2007-06-01 | 2010-01-20 | Bayer MaterialScience AG | Verfahren zur Herstellung von thermoplastischen Polyurethanen auf Basis von 1,5-Naphthalindiisocyanat |
DE102007054983A1 (de) * | 2007-11-17 | 2009-05-20 | Bayer Materialscience Ag | Verfahren zur Herstellung von zelligen Polyurethan(PUR)-Gießelastomeren aus lagerstabilen 1,5-Naphthalindiisocyanat(NDI)-Prepolymeren |
EP2726523B1 (de) * | 2011-06-29 | 2016-03-16 | Covestro Deutschland AG | Hochwertige polyurethanelastomere und ihre herstellung |
CN102391468B (zh) * | 2011-09-30 | 2013-04-10 | 南京金三力橡塑有限公司 | 基于1,5-萘二异氰酸酯的存储稳定的预聚物的制备方法 |
WO2015185659A1 (de) * | 2014-06-06 | 2015-12-10 | Covestro Deutschland Ag | Verfahren zur kontinuierlichen herstellung von stabilen prepolymeren |
CN106632980B (zh) * | 2016-12-30 | 2019-08-16 | 山东一诺威聚氨酯股份有限公司 | 一种稳定ndi预聚体及其制备方法和应用 |
CN114008101A (zh) | 2019-07-11 | 2022-02-01 | 朗盛公司 | 用于生产ndi预聚物的方法 |
EP3828213A1 (de) | 2019-11-28 | 2021-06-02 | Covestro Deutschland AG | Schüttgut enthaltend feste diisocyanate und daraus erhältliche urethangruppen-enthaltende prepolymere |
CN114015009A (zh) * | 2021-12-09 | 2022-02-08 | 上海汇得科技股份有限公司 | 一种1,5-萘二异氰酸酯预聚物及其制备方法和用途 |
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- 2007-11-02 CN CN2007101999446A patent/CN101265315B/zh active Active
- 2007-11-02 JP JP2007285683A patent/JP2008115391A/ja active Pending
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CN1724576A (zh) * | 2004-07-23 | 2006-01-25 | 拜尔材料科学股份公司 | 基于2,4′-mdi的低粘度聚氨酯预聚物 |
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CN101265315A (zh) | 2008-09-17 |
ES2399109T3 (es) | 2013-03-25 |
RU2007140397A (ru) | 2009-05-10 |
US8110704B2 (en) | 2012-02-07 |
JP2008115391A (ja) | 2008-05-22 |
KR20080040583A (ko) | 2008-05-08 |
US20080108776A1 (en) | 2008-05-08 |
EP1918315A1 (en) | 2008-05-07 |
AU2007231693A1 (en) | 2008-05-22 |
ZA200709363B (en) | 2009-08-26 |
BRPI0705908A2 (pt) | 2009-01-06 |
CA2608888A1 (en) | 2008-05-02 |
EP1918315B1 (en) | 2012-12-05 |
MX2007013747A (es) | 2009-02-19 |
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