巴陵石化热塑性橡胶SEBS YH-602/602T
一、热塑性橡胶SEBS-YH-602/602T基本参数
1、白色或浅色,呈粉末或均匀粒状,不含机械杂质及油污。
2、苯乙烯含量:35%(重量、参考);
3、结构:星型;
4、拉伸强度(≥MPa):27;
5、扯断伸长率(≥%):500;
6、300%定伸应力(≥Mpa):6.5;
7、扯断永久变形(≤%):36;
8、邵氏A硬度≥(A):81;
9、甲苯溶液粘度(25℃、10%、Mpa.s):150-300;
10、挥发分(≤%):0.7
11、加氢度(≥%):97
二、热塑性橡胶SEBS-YH602/602T应用特点
星型结构的YH-602的加工流动性好,制品表面光洁度高、弹性回复佳。利用YH-602良好的配混加工性能和适中的力学性能可生产各种弹性体,主要对弹性回复要求高的制品,如密封材料(如建筑门窗密封条、地板和墙壁缝隙密封条)、文体用品等,也可根据实际需要用于塑料改性、改善包覆材料的表面性能和可加工性。
三、热塑性橡胶SEBS-YH602不同充油比的典型性能(100份SEBS602参考值):
1、YH-602在不同充油比下扯断拉伸强度的变化
充油量50份 扯断拉伸强度 15MPa
充油量100份 扯断拉伸强度 6MPa
充油量150份 扯断拉伸强度 5.5MPa
充油量200份 扯断拉伸强度 5MPa
2、YH-602在不同充油比下300%定伸应力的变化
充油量50份 300%定伸应力 2MPa
充油量100份 300%定伸应力 0.9MPa
充油量150份 300%定伸应力 0.6MPa
充油量200份 300%定伸应力 0.4MPa
3、YH-602在不同充油比下硬度的变化
充油量50份 硬度(邵A) 50
充油量100份 硬度(邵A) 20
充油量150份 硬度(邵A) 18
充油量200份 硬度(邵A) 12
4、YH-602在不同充油比下MFR的变化(MFR是指在190℃、2.5Kg码下测的熔体流动速率)。
充油量50份 MFR(g/10min) 0
充油量100份 MFR(g/10min) 20
充油量150份 MFR(g/10min) 100
充油量200份 MFR(g/10min) 250
Baling Petrochemical thermoplastic rubber SEBS YH-602 / 602t
1、 Basic parameters of thermoplastic rubber sebs-yh-602 / 602t
1. White or light color, powder or uniform granular, free of mechanical impurities and oil stains.
2. Styrene content: 35% (weight, reference);
3. Structure: star type;
4. Tensile strength (≥ MPa): 27;
5. Elongation at break (≥%): 500;
6. 300% constant elongation stress (≥ MPa): 6.5;
7. Breaking permanent deformation (≤%): 36;
8. shore a hardness ≥ (a): 81;
9. viscosity of toluene solution (25 ℃, 10%, MPa. S): 150-300;
10. Volatile matter (≤%): 0.7
11. Hydrogenation degree (≥%): 97
2、 Application characteristics of thermoplastic rubber sebs-yh602 / 602t
YH-602 with star structure has good processing fluidity, high surface finish and good elastic recovery. YH-602 can be used to produce various elastomers with good mixing and processing performance and moderate mechanical properties. It is mainly used for products with high elastic recovery requirements, such as sealing materials (such as building door and window sealing strips, floor and wall gap sealing strips), sporting goods, etc. it can also be used for plastic modification according to actual needs to improve the surface properties and processability of coating materials.
3、 Typical properties of thermoplastic rubber sebs-yh602 with different oil filling ratios (100 parts SEBS602 reference value):
1. Change of tensile strength at break of YH-602 under different oil filling ratio
Oil filling capacity: 50 phr tensile strength at break: 15MPa
Oil filling capacity: 100 phr tensile strength at break: 6Mpa
Oil filling capacity 150 phr tensile strength at break 5.5mpa
Oil filling capacity 200 phr tensile strength at break 5MPa
2. Variation of 300% constant elongation stress of YH-602 under different oil filling ratio
Oil filling capacity 50 parts, 300% constant tensile stress 2MPa
Oil filling capacity: 100 parts; 300% constant elongation stress: 0.9mpa
Oil filling capacity 150 parts, 300% constant elongation stress 0.6MPa
Oil filling capacity 200 parts, 300% constant elongation stress 0.4MPa
3. Variation of hardness of YH-602 under different oil filling ratio
Oil filling capacity 50 phr hardness (Shao a) 50
Oil filling capacity 100 parts hardness (Shao a) 20
Oil filling capacity 150 parts hardness (Shao a) 18
Oil filling capacity 200 parts hardness (Shao a) 12
4. Change of MFR of YH-602 under different oil filling ratio (MFR refers to the melt flow rate measured at 190 ℃ and 2.5kg code).
Oil filling capacity 50 parts MFR (g / 10min) 0
Oil filling capacity 100 parts MFR (g / 10min) 20
Oil filling capacity 150 parts MFR (g / 10min) 100
Oil filling capacity 200 parts MFR (g / 10min) 250 |