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亞克力的加工工藝

亞克力可以采用澆鑄、注塑、擠出、熱成型、激光雕刻、激光切割等工藝。
澆鑄成型
澆鑄成型用于成型有機玻璃板材、棒材等型材，即用體本體聚合方法成型型材。澆鑄成型后的制品需要進行后處理，后處理條件是60℃下保溫2小時，120℃下保溫2小時。
注塑成型
注塑成型采用懸浮聚合所制得的顆粒料，成型在普通的柱塞式或螺桿式注塑機上進行。工藝參數包括螺桿式注塑機、柱塞式注塑機、料筒溫度后部180℃～200℃;中部 190℃～230℃;前部 180℃～210℃;噴嘴溫度180℃～210℃或210℃～240℃;模具溫度℃ 40℃～80℃;注射壓力80MPa～120MPa 或80MPa～130MPa;保壓壓力MPa 40MPa～60MPa;螺桿轉速-1.20rp.m～30rp.m;注塑制品也需要后處理消除內應力，處理在70～80℃熱風循環干燥箱內進行，處理亞克力棒時間視制品厚度，一般均需4小時左右。
熱成型
熱成型是將有機玻璃板材或片材制成各種尺寸形狀制品的過程，將裁切成要求尺寸的坯料夾緊在模具框架上，加熱使其軟化，再加壓使其貼緊模具型面，得到與型面相同的形狀，經冷卻定型后修整邊緣即得制品。加壓可采用抽真空牽伸或用對帶有型面的凸模直接加壓的方法。采用快速真空低牽伸成型制品時，宜采用接近下限溫度，成型形狀復雜的深度牽伸制品時宜采用接近上限溫度，一般情況下采用正常溫度。

部分型號部分物性表

LDPE (low density polyethylene # LDPE) /MBW1602/ Singapore polyolefin
Use: other
Feature notes: general use
Important parameters: melt flow rate: 60 g/10min
Manufacturer: Singapore polyolefin Private Companies
LDPE (low density polyethylene LDPE #) /LB625K/ Japan JPC
Use: other
Characteristic notes: good fluidity
Important parameters: melt flow rate: 4 g/10min density: 0.92 g/cm3 flexural modulus: 1500 MPa hardness: 51 VEKA softening point: 94 C embrittlement temperature: -70 C
Manufacturer: JPC company, Japan
LDPE (low density polyethylene LDPE #) /LC602A/ Japan JPC
Use: other
Feature notes: low smell to no
Important parameters: melt flow rate: 8.2 g/10min density: 0.919 g/cm3 flexural modulus: 120 MPa hardness: 50 VEKA softening point: 89 C embrittlement temperature: -70 C
Manufacturer: JPC company, Japan
LDPE (low density polyethylene LDPE #) /LF125E/ Japan JPC
Use: film grade
Characteristic remark: Antistatic
Important parameters: density: 0.922 g/cm3 flexural modulus: 260 MPa hardness: 53 VEKA softening point: 96 C embrittlement temperature: -70 C
Manufacturer: JPC company, Japan
LDPE (low density polyethylene # LDPE) /2004TC00/ Qilu Petrochemical
Use: film grade
Important parameters: melt flow rate: 4.4 g/10min density: 0.921 g/cm3 tensile strength: 11 MPa breaking elongation: 450%
Manufacturer: Sinopec Qilu Limited by Share Ltd
LDPE (low density polyethylene # LDPE) /2100TN00/ Qilu Petrochemical
Use: film grade
Important parameters: melt flow rate: 0.3 g/10min density: 0.921 g/cm3 tensile strength: 13 MPa breaking elongation: 450%
Manufacturer: Sinopec Qilu Limited by Share Ltd
LDPE (low density polyethylene # LDPE) /2102TU00/ Qilu Petrochemical
Use: film grade
Important parameters: melt flow rate: 2.5 g/10min density: 0.921 g/cm3 tensile strength: 9 MPa breaking elongation: 550%
Manufacturer: Sinopec Qilu Limited by Share Ltd
LDPE (low density polyethylene # LDPE) /2102TU26/ Qilu Petrochemical
Use: film grade
Important parameters: melt flow rate: 2.5 g/10min density: 0.921 g/cm3 tensile strength: 9 MPa breaking elongation: 550%
Manufacturer: Sinopec Qilu Limited by Share Ltd
LDPE (low density polyethylene # LDPE) /2102TU37/ Qilu Petrochemical
Use: film grade
Important parameters: melt flow rate: 2.5 g/10min density: 0.921 g/cm3 tensile strength: 12 MPa breaking elongation: 600%
Manufacturer: Sinopec Qilu Limited by Share Ltd
LDPE (low density polyethylene LDPE /MA0710/ # qapco)
Use: other
Characteristic remark: low embrittlement temperature
Important parameters: melt flow rate: 7 g/10min density: 0.918 g/cm3 molding shrinkage: 2% VEKA softening point: 106 C
Manufacturer: Qatar Petrochemical Company
LDPE (low density polyethylene # high-pressure polyethylene) /1523S/ Holland mining
Use: film grade
Characteristic notes: characteristics: good optical, minimum film thickness 0.025mm
Important parameters: melt flow rate: 2.2 g/10min density: 0.922 g/cm3
Manufacturer: Holland national mineral company
LDPE (low density polyethylene LDPE /CD0330/ # qapco)
Use: other
Characteristic notes: electrical insulation, good processing
Important parameters: melt flow rate: 3 g/10min density: 0.922 g/cm3 VEKA softening point: 94 C
Manufacturer: Qatar Petrochemical Company
LDPE (low density polyethylene LDPE /FD0271/ # qapco)
Use: film grade
Characteristic notes: transparency is good
Important parameters: melt flow rate: 2 g/10min density: 0.923 g/cm3
Manufacturer: Qatar Petrochemical Company
LDPE (low density polyethylene LDPE /FD0272/ # qapco)
Use: film grade
Characteristic notes: transparency is good
Important parameters: melt flow rate: 2 g/10min density: 0.923 g/cm3
Manufacturer: Qatar Petrochemical Company
LDPE (low density polyethylene # LDPE) /JK311A/ Japan Marine
Use: other
Important parameters: melt flow rate: 1 g/10min density: 0.92 g/cm3, tensile strength: 17 MPa, elongation at break: 650% flexural strength: 140 MPa hardness: 50 VEKA softening point: 90 C embrittlement temperature: -70 C
Manufacturer: Japan Offshore Oil Resources Development Co., Ltd.
LDPE (low density polyethylene # LDPE) /JB450N/ Japan Marine
Use: other
Important parameters: melt flow rate: 2 g/10min density: 0.93 g/cm3, tensile strength: 15 MPa, elongation at break: 600% flexural strength: 240 MPa hardness: 57 VEKA softening point: 111 C embrittlement temperature: -70 C
Manufacturer: Japan Offshore Oil Resources Development Co., Ltd.
LDPE (low density polyethylene # LDPE) /JC548N/ Japan Marine
Use: other
Important parameters: melt flow rate: 5 g/10min density: 0.93 g/cm3, tensile strength: 12 MPa, elongation at break: 450% flexural strength: 250 MPa hardness: 55 VEKA softening point: 108 C embrittlement temperature: -70 C
Manufacturer: Japan Offshore Oil Resources Development Co., Ltd.
LDPE (low density polyethylene # LDPE) /JF330N/ Japan Marine
Use: other
Important parameters: melt flow rate: 1 g/10min density: 0.924 g/cm3, tensile strength: 16 MPa, elongation at break: 600% flexural strength: 190 MPa hardness: 53 VEKA softening point: 98 C embrittlement temperature: -70 C
Manufacturer: Japan Offshore Oil Resources Development Co., Ltd.
LDPE (low density polyethylene # LDPE) /JF424S/ Japan Marine
Use: other
Important parameters: melt flow rate: 3 g/10min density: 0.923 g/cm3, tensile strength: 14 MPa, elongation at break: 550% flexural strength: 180 MPa hardness: 53 VEKA softening point: 96 C embrittlement temperature: -70 C
Manufacturer: Japan