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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) /1938Z500/ SABIC of Saudi Arabia
Use: other
Feature remark: product trademark: SABIC
Important beters: melt flow rate: 38 g/10min density: 0.919 g/cm3 VEKA softening point: 78 C
Manufacturer: Saudi Basic Industry Company
LDPE (low density polyethylene LDPE #) /FT3240/ Borealis
Use: film grade
Feature notes: no additives
Important beters: melt flow rate: 0.25 g/10min density: 0.924 g/cm3 tensile strength: 26 MPa breaking elongation: 550% VEKA softening point: 97 C
Manufacturer: Nordic Chemical Co., Ltd.
LDPE (low density polyethylene LDPE #) /MA9230/ Borealis
Use: other
Feature notes: good rigidity and high gloss.
Important beters: melt flow rate: 22 g/10min density: 0.923 g/cm3 notch impact strength: 160 elongation at break: 130% hardness: 49 VEKA softening point: 92 C
Manufacturer: Nordic Chemical Co., Ltd.
LDPE (low density polyethylene # LDPE) /F1107/ Taiwan poly
Use: film grade
Characteristic notes: contractility
Important beters: melt flow rate: 1.1 g/10min density: 0.922 g/cm3 notch impact strength: 140 VEKA softening point: 96 C embrittlement temperature: -70 C
Manufacturer: Asian aggregated Limited by Share Ltd
LDPE (low density polyethylene # LDPE) /1922Z900/ SABIC of Saudi Arabia
Use: other
Feature remark: product trademark: SABIC
Important beters: melt flow rate: 22 g/10min density: 0.919 g/cm3 VEKA softening point: 83 C
Manufacturer: Saudi Basic Industry Company
LDPE (low density polyethylene LDPE /XDS34/ Australia Qenos #)
Use: film grade
Important beters: melt flow rate: 0.3 g/10min density: 0.922 g/cm3 tensile strength: 23 MPa breaking elongation: 820%
Manufacturer: Qenos, Australia
LDPE (low density polyethylene LDPE /LDJ225/ Australia Qenos #)
Use: film grade
Important beters: melt flow rate: 2.5 g/10min density: 0.922 g/cm3 tensile strength: 16 MPa breaking elongation: 720%
Manufacturer: Qenos, Australia
LDPE (low density polyethylene # high-pressure polyethylene) /2800/ Holland DSM
Use: film grade
Characteristic feature: non slip agent, minimum film thickness 0.045mm
Important beters: melt flow rate: 0.3 g/10min density: 0.922 g/cm3
Manufacturer: Holland DSM company
LDPE (low density polyethylene # high-pressure polyethylene) /1I50A/ Lanzhou petrochemical
Use: other
Important beters: melt flow rate: 50 g/10min density: 0.916 g/cm3 tensile strength: 7.5 MPa breaking elongation: 370% VEKA softening point: 73 C
Manufacturer: PetroChina Lanzhou Petrochemical Branch
LDPE (low density polyethylene # LDPE) /NA208/ Taiwan polymerization
Use: film grade
Note: the characteristics of powder coating
Important beters: melt flow rate: 22 g/10min density: 0.924 g/cm3 hardness: 53 VEKA softening point: 96 C embrittlement temperature: -60 C
Manufacturer: Taiwan polymerized chemical Limited by Share Ltd
LDPE (low density polyethylene # LDPE) /611A/ DuPont dow
Use: film grade
Feature notes: product trademark DOW
Important beters: melt flow rate: 0.88 g/10min density: 0.924 g/cm3, notched impact strength: 120 tensile strength: 16.9 MPa, elongation at break: 560% bending modulus: 227 MPa, VEKA softening point: 97.2 degrees.
Manufacturer: Dow DuPont Co
LDPE (low density polyethylene LDPE /DFDA-0562/ Union Carbide #)
Use: film grade
Characteristic notes: good impact resistance and tearing
Important beters: melt flow rate: 0.1 g/10min density: 0.922 g/cm3
Manufacturer: Union Carbine Co
LDPE (low density polyethylene LDPE #) /LD-62/ Korea Dalin
Use: film grade
Feature notes: characteristics: NECK-IN, excellent adhesion, tasbess.
Important beters: melt flow rate: 7 g/10min density: 0.919 g/cm3
Manufacturer: Dalin, Korea
LDPE (low density polyethylene LDPE #) /2060/ America flintcomb ash
Use: other
Characteristic notes: high flow characteristics and good processing perbance. Application areas:
Important beters: melt flow rate: 30 g/10min density: 0.921 g/cm3 tensile strength: 9 MPa breaking elongation: 375% hardness: 50 VEKA softening point: 93 C
Manufacturer: American flint Hill resources
LDPE (low density polyethylene LDPE # /HMA025/ Mobil Exxon)
Use: other
Characteristic notes: additive: UV stabilizer
Important beters: melt flow rate: 8 g/10min density: 0.964 g/cm3
Manufacturer: Exxon Mobil Corp
LDPE (low density polyethylene LDPE # /HMA014/ Mobil Exxon)
Use: other
Characteristic notes: additive: UV stabilizer
Important beters: melt flow rate: 4 g/10min density: 0.96 g/cm3
Manufacturer: Exxon Mobil Corp
LDPE (low density polyethylene # LDPE) /PX 20020X/ Pemex in Mexico
Use: other
Important beters: melt flow rate: 2 g/10min density: 0.92 g/cm3 tensile strength: 10.9 MPa breaking elongation: 640%
Manufacturer: Mexico national oil company
LDPE (low density polyethylene # high-pressure polyethylene) /G MN71020/ quantum chemistry
Use: other
Important beters: melt flow rate: 22 g/10min density: 0.915 g/cm3, tensile strength: 11 MPa elongation at break: 550% bending modulus: 121 MPa hardness: 52 VEKA softening point: 83 C embrittlement temperature: -45 C
Manufacturer: American quantum chemical company
LDPE (low density polyethylene # high-pressure polyethylene) /G MN71120/ quantum chemistry
Use: other
Important beters: melt flow rate: 22 g/10min density: 0.915 g/cm3 tensile strength: 11 MPa elongation at break: 550% bending modulus: 121 MPa hardness: 52 VEKA softening point: 83 temperature embrittlement temperature: -56
