Shanghai Daoqin Plastics Co., Ltd.

　PVC/TPU blending ratio rate effect/influence
首先, research PVC plastics and TPU plastics quality ratio for PVC/TPU binary blending system force property can, oil resistant and resistant solvent agent property can effect/influence. 测验测验 in 转变PVC plastics and TPU plastics ratio, agent and increase agent use amount 连结不变, 测验测验 data table/sheet 3.1
from table/sheet 3.1 in can 看出, increase polyvinyl chloride (PVC) and pure thermoplastic polyurethane (TPU) hardness separation large, due to, 随TPU plastics amount growth separation ratio, hardness 转变也不太 large; in TPU is separation versus 时, for TPU/PVC blending material tensile strength need high pure TPU; 随TPU amount growth, TPU逐步改酿 formed versus 时, blending material tensile strength has drop 落 趋 toward, is in TPU as is versus but also large 批, due to Fusabond? 560D存 in is nylon 6 design chemical structure, it in front nylon 6 impact resistant property can meanwhile, can front its in mold inner processing properties. and has core toughening agent for 照, modulus small, light degree good, low 廉, can in room temperature to -20 ℃ conditions lower elastic property and other other 功效.

 

现 has impact modifier is growth nylon 6 viscosity, 而Fusabond? 560D却 has front melt property, can increase glass fiber and other filler and series plastics composite/compounding, front glass fiber (GF) add strong/high nylon and non add strong/high nylon melt property
increase agent use amount effect/influence
in TPU/PVC is 30/70 conditions lower and other separation 不变, 转变PVC system in increase agent 令苯二甲 acid （DOP） 插手 amount, research DOP use amount for PVC/TPU binary blending material property can effect/influence, force property can, oil resistant property can.
由 can 看出, DOP content upper rise, blending material hardness, tensile strength, strong/high degree, fracture elongation and 永远形变根底 upper 都闪现稳步 drop 落 趋 toward, this is due to small separation increase agent DOP in blending process in, DOP插入 to polyvinyl chloride (PVC) large separation in, low blending material in polyvinyl chloride (PVC) separation 子间 浸染 force, from in macro upper blending material tensile strength and strong/high degree 随DOP amount growth drop 落. blending material fracture elongation drop toward and DOP increase 塑浸染 lower 场纷歧致, formed blending system fracture elongation drop toward, this can can and TPU in blending material in already 经充当 PVC large separation increase agent has 关, from 而按捺 small separation 子DOP separation increase speed 浸染. is versus tensile strength and strong/high degree meanwhile is has fracture elongation （即连结必定 tough property ）. PVC/DOP=100/50 as is rear other ratio 测验测验 research 根底. from table/sheet 3.2 in also can 看出随 DOP content front 进, material resistant solvent agent property can front 进先辈步 rear drop 落, this and 插手DOP rear PVC plastics 组 formed relatively is 不变 均 versus concentrated solvent liquid, make separation toward material internal separation can force low has 关, DOP amount amount, solvent agent light easy 渗透, formed resistant solvent agent property can drop 落; versus for 讲, its oil resistant property can 转变不 large. from balanced 转矩 看, DOP use amount increase add, balanced slow slow decrease small. can 知, increase agent DOP growth, has blending system in polyvinyl chloride (PVC) 塑化, amount DOP 插手, make blending melt viscosity 变 太 small, gas molding processing.
add material for TPU/PVC blending material force property can effect/influence
尝试 selection 5 types add material made for TPU/PVC blending material force property can effect/influence, 预塑化 polyvinyl chloride (PVC) powder material in machine upper melt rear, 插手TPU plastics melt blending. TPU熔 melt rear, 插手预塑化 polyvinyl chloride (PVC) powder material melt blending. polyvinyl chloride (PVC) rear, 插手TPU塑炼 good sheet/slice melt blending. 预塑化 polyvinyl chloride (PVC) powder material and TPU粒 material uniform rear, melt blending.
    from in can 看出, add material for blending force property can effect/influence very large, add material 2顺次 force property can most good, this can can is, TPU pellets melt rear, polyvinyl chloride (PVC) powder material, shrink short polyvinyl chloride (PVC) in low temperature lower blending 塑化时刻, polyvinyl chloride (PVC) separation degree relatively small, from blending force property can relatively excellent, in addition, TPU in melt lower, more light easy and polyvinyl chloride (PVC) blending. in addition, in blending property can 时也创造, in add temperature degree lower, blending processing 时刻越 long, blending force property can small.