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亚克力的加工工艺

亚克力可以采用浇铸、注塑、挤出、热成型、激光雕刻、激光切割等工艺。
浇铸成型
浇铸成型用于成型有机玻璃板材、棒材等型材，即用体本体聚合方法成型型材。浇铸成型后的制品需要进行后处理，后处理条件是60℃下保温2小时，120℃下保温2小时。
注塑成型
注塑成型采用悬浮聚合所制得的颗粒料，成型在普通的柱塞式或螺杆式注塑机上进行。工艺参数包括螺杆式注塑机、柱塞式注塑机、料筒温度后部180℃～200℃;中部 190℃～230℃;前部 180℃～210℃;喷嘴温度180℃～210℃或210℃～240℃;模具温度℃ 40℃～80℃;注射压力80MPa～120MPa 或80MPa～130MPa;保压压力MPa 40MPa～60MPa;螺杆转速-1.20rp.m～30rp.m;注塑制品也需要后处理消除内应力，处理在70～80℃热风循环干燥箱内进行，处理亚克力棒时间视制品厚度，一般均需4小时左右。
热成型
热成型是将有机玻璃板材或片材制成各种尺寸形状制品的过程，将裁切成要求尺寸的坯料夹紧在模具框架上，加热使其软化，再加压使其贴紧模具型面，得到与型面相同的形状，经冷却定型后修整边缘即得制品。加压可采用抽真空牵伸或用对带有型面的凸模直接加压的方法。采用快速真空低牵伸成型制品时，宜采用接近下限温度，成型形状复杂的深度牵伸制品时宜采用接近上限温度，一般情况下采用正常温度。

部分型号部分物性表

LDPE (low density polyethylene LDPE #) /2018/ America flintcomb ash
Use: other
Characteristic notes: good toughness and machinability
Important parameters: melt flow rate: 2 g/10min density: 0.92 g/cm3 tensile strength: 12 MPa breaking elongation: 500% hardness: 50 VEKA softening point: 91 C
Manufacturer: American flint Hill resources
LDPE (low density polyethylene # high-pressure polyethylene) /XCF-2/ Romania rompetrol
Use: other
Characteristic notes: homopolymer
Important parameters: melt flow rate: 2 g/10min density: 0.92 g/cm3 VEKA softening point: 92 C
Manufacturer: rompetrol Petrochemical Industries Co, Romania
LDPE (low density polyethylene LDPE /L1604/ Asahi #)
Use: film grade
Feature notes: minimum thickness of 15 microns
Important parameters: melt flow rate: 4 g/10min density: 0.916 g/cm3
Manufacturer: Japan Asahi Chemical Industry Corporation
LDPE (low density polyethylene LDPE /M1680S/ Asahi #)
Use: other
Important parameters: melt flow rate: 8 g/10min density: 0.916 g/cm3
Manufacturer: Japan Asahi Chemical Industry Corporation
LDPE (low density polyethylene LDPE /E2200/ Asahi #)
Use: wire and cable
Important parameters: melt flow rate: 0.25 g/10min density: 0.917 g/cm3
Manufacturer: Japan Asahi Chemical Industry Corporation
LDPE (low density polyethylene LDPE /E3100/ Asahi #)
Use: wire and cable
Important parameters: melt flow rate: 0.25 g/10min density: 0.93 g/cm3
Manufacturer: Japan Asahi Chemical Industry Corporation
LDPE (low density polyethylene LDPE /F1920/ Asahi #)
Use: film grade
Feature notes: minimum thickness of 30 microns
Important parameters: melt flow rate: 2 g/10min density: 0.919 g/cm3
Manufacturer: Japan Asahi Chemical Industry Corporation
LDPE (low density polyethylene LDPE plastic #) /6020F/ Taiwan
Use: film grade
Characteristic notes: mechanical properties
Important parameters: melt flow rate: 0.25 g/10min density: 0.922 g/cm3, notched impact strength: 280 tensile strength: 20 MPa, elongation at break: 550% VEKA softening point: 96 C embrittlement temperature: -75 C.
Manufacturer: Limited by Share Ltd of Taiwan plastic industry
LDPE (low density polyethylene LDPE #) /FA3223/ Borealis
Use: other
Characteristic notes: low density, recoverable materials
Important parameters: melt flow rate: 0.3 g/10min density: 0.922 g/cm3 tensile strength: 25 MPa breaking elongation: 400% VEKA softening point: 96 C
Manufacturer: Nordic Chemical Co., Ltd.
LDPE (low density polyethylene # high-pressure polyethylene) /E-14P/ West Lake
Use: other
Characteristic notes: powdery, low molecular weight, durability and good toughness
Important parameter: hardness: 400
Manufacturer: West Lake Chemical Co., Ltd.
LDPE (low density polyethylene # LDPE) /MBB7512/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 8.5 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # LDPE) /MBB7522/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 8.5 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # LDPE) /FRN1982/ Singapore polyolefin
Use: other
Characteristic notes: flame retardancy
Important parameters: melt flow rate: 60 g/10min density: 1.5 g/cm3
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # LDPE) /MBW2442/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 17.5 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # LDPE) /MBW2878/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 12.5 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # LDPE) /MBW2888/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 12.5 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # LDPE) /MBW3422/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 12.5 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene # high-pressure polyethylene) /D4048-F/ West Lake
Use: other
Characteristic notes: acceptable food contact, high rotation difference, medium clear
Important parameters:
Manufacturer: West Lake Chemical Co., Ltd.
LDPE (low density polyethylene LDPE #) /FA 183-51/ TVK in Hungary
Use: other
Important parameters: melt flow rate: 0.21 g/10min density: 0.918 g/cm3
Manufacturer: Hungary TVK
LDPE (low density polyethylene LDPE #) /FA 203-51/ TVK in Hungary
Use: other
Important parameters: melt flow rate: 0.25 g/10min density: 0.92 g/cm3
Manufacturer: Hungary TVK