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China Plastics ›› 2021, Vol. 35 ›› Issue (3): 74-82.DOI: 10.19491/j.issn.1001-9278.2021.03.011
• Processing and Application • Previous Articles Next Articles
XU Meng, GAO Dali, ZHANG Shijun()
Received:
2020-09-17
Online:
2021-03-26
Published:
2021-03-22
CLC Number:
XU Meng, GAO Dali, ZHANG Shijun. Progress and Upgrade of Food Packaging Polymer Materials[J]. China Plastics, 2021, 35(3): 74-82.
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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2021.03.011
薄膜 类型 | 拉伸模量/MPa | 拉伸强度/MPa | 雾度/ % | 穿刺性能/ N·(8 mm)-1 | 膜厚/ μm | ||
---|---|---|---|---|---|---|---|
MD | TD | MD | TD | ||||
BOPE | 281 | 517 | 69 | 114 | 4.6 | 69 | 25 |
BOPE | 336 | 591 | 69 | 100 | 6.5 | 117 | 50 |
吹塑PE | 94 | 82 | 31 | 23 | 7.8 | 12.5 | 25 |
吹塑PE | 282 | 370 | 28 | 26 | 18.0 | 40.3 | 105 |
CPE[ | 193 | 234 | 29 | 19 | 5.6 | 11.8 | 30 |
薄膜 类型 | 拉伸模量/MPa | 拉伸强度/MPa | 雾度/ % | 穿刺性能/ N·(8 mm)-1 | 膜厚/ μm | ||
---|---|---|---|---|---|---|---|
MD | TD | MD | TD | ||||
BOPE | 281 | 517 | 69 | 114 | 4.6 | 69 | 25 |
BOPE | 336 | 591 | 69 | 100 | 6.5 | 117 | 50 |
吹塑PE | 94 | 82 | 31 | 23 | 7.8 | 12.5 | 25 |
吹塑PE | 282 | 370 | 28 | 26 | 18.0 | 40.3 | 105 |
CPE[ | 193 | 234 | 29 | 19 | 5.6 | 11.8 | 30 |
薄膜类型 | 拉伸模量/GPa | 拉伸强度/MPa | 雾度/ % | 膜厚/ μm | ||
---|---|---|---|---|---|---|
MD | TD | MD | TD | |||
BOPP | 2.23 | 3.40 | 149 | 243 | 1.2 | 20 |
CPP | 0.82 | 0.81 | 34.1 | 21.4 | 2.1 | 30 |
CPP(含α成核剂) | 1.52 | 1.38 | 39.8 | 35.6 | 3.1 | 30 |
CPP(含透明成核剂) | 1.40 | 1.35 | 34.2 | 37.0 | 2.1 | 30 |
CPP(含β成核剂) | 1.14 | 1.01 | 32.5 | 26.2 | 19.8 | 30 |
薄膜类型 | 拉伸模量/GPa | 拉伸强度/MPa | 雾度/ % | 膜厚/ μm | ||
---|---|---|---|---|---|---|
MD | TD | MD | TD | |||
BOPP | 2.23 | 3.40 | 149 | 243 | 1.2 | 20 |
CPP | 0.82 | 0.81 | 34.1 | 21.4 | 2.1 | 30 |
CPP(含α成核剂) | 1.52 | 1.38 | 39.8 | 35.6 | 3.1 | 30 |
CPP(含透明成核剂) | 1.40 | 1.35 | 34.2 | 37.0 | 2.1 | 30 |
CPP(含β成核剂) | 1.14 | 1.01 | 32.5 | 26.2 | 19.8 | 30 |
牌号 | 拉伸强度/MPa | 断裂伸长率/% | 热收缩率/% | 耐撕裂力/mN | 雾度/% | 厚度/μm | 特点 | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
MD | TD | MD | TD | MD | TD | MD | TD | ||||
LHA | 239 | 283 | 106 | 96 | 1.7 | 1.2 | 109 | 99 | 3.5 | 15 | LISIM技术,同步法 |
SHA | 198 | 226 | 147 | 109 | 1.6 | 0.7 | 80 | 61 | 3.3 | 15 | 机械同步法 |
HOA | 264 | 309 | 144 | 99 | 1.0 | 0.7 | 109 | 75 | 3.2 | 15 | 分步法 |
TSA | 218 | 255 | 143 | 109 | 1.0 | 0.6 | 116 | 75 | 3.1 | 15 | 易撕裂型 |
MATT | 209 | 259 | 143 | 93 | 0.6 | 0.1 | 89 | 61 | 34.3 | 15 | 消光型 |
EHAp | 216 | 243 | 120 | 103 | 1.2 | 1.1 | 236 | 240 | 3.2 | 15 | 高阻隔型 |
牌号 | 拉伸强度/MPa | 断裂伸长率/% | 热收缩率/% | 耐撕裂力/mN | 雾度/% | 厚度/μm | 特点 | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
MD | TD | MD | TD | MD | TD | MD | TD | ||||
LHA | 239 | 283 | 106 | 96 | 1.7 | 1.2 | 109 | 99 | 3.5 | 15 | LISIM技术,同步法 |
SHA | 198 | 226 | 147 | 109 | 1.6 | 0.7 | 80 | 61 | 3.3 | 15 | 机械同步法 |
HOA | 264 | 309 | 144 | 99 | 1.0 | 0.7 | 109 | 75 | 3.2 | 15 | 分步法 |
TSA | 218 | 255 | 143 | 109 | 1.0 | 0.6 | 116 | 75 | 3.1 | 15 | 易撕裂型 |
MATT | 209 | 259 | 143 | 93 | 0.6 | 0.1 | 89 | 61 | 34.3 | 15 | 消光型 |
EHAp | 216 | 243 | 120 | 103 | 1.2 | 1.1 | 236 | 240 | 3.2 | 15 | 高阻隔型 |
放置条件 | 拉伸强度/MPa | 断裂伸长率/% | 热收缩率/% | |||
---|---|---|---|---|---|---|
MD | TD | MD | TD | MD | TD | |
30 ℃,70 %RH | 206 | 269 | 89.4 | 67.6 | 1.4 | 0.8 |
5 ℃,20 %RH | 297 | 331 | 68.4 | 50.6 | 1.8 | 1.1 |
23 ℃,50 %RH | 266 | 301 | 78.4 | 56.6 | 1.6 | 0.9 |
放置条件 | 拉伸强度/MPa | 断裂伸长率/% | 热收缩率/% | |||
---|---|---|---|---|---|---|
MD | TD | MD | TD | MD | TD | |
30 ℃,70 %RH | 206 | 269 | 89.4 | 67.6 | 1.4 | 0.8 |
5 ℃,20 %RH | 297 | 331 | 68.4 | 50.6 | 1.8 | 1.1 |
23 ℃,50 %RH | 266 | 301 | 78.4 | 56.6 | 1.6 | 0.9 |
材料 | 氧气透过率/ cm3·m-2·(24 h·0.1 MPa)-1 | 文献来源 |
---|---|---|
PE | 1 603 | [ |
PE?HD | 4 000 | [ |
PP | 3 500 | [ |
BOPP | 625 | [ |
PP(取向) | 2 500 | [ |
PET | 75 | [ |
BOPA | 30~50 | [ |
18.6~39(0 %RH, 23℃) | [ | |
MXD?6(取向) | 2.8(60 %RH, 20 μm) | [ |
MXD?6 | 4.3(60 %RH, 20 μm) | [ |
PVC | 150 | [ |
PS | 6 000 | [ |
PLA | 38~42 | [ |
EVOH | 0.08~0.19(0 %RH, 23 ℃) | [ |
EVOH (乙烯含量32 mol%) | 0.5(60 %RH, 20 μm) | [ |
EVOH(乙烯含量44 mol%) | 2.0(60 %RH, 20 μm) | [ |
BOPVA(醇解度97 %) | 0.5(50 %RH,20 μm) | 自测 |
材料 | 氧气透过率/ cm3·m-2·(24 h·0.1 MPa)-1 | 文献来源 |
---|---|---|
PE | 1 603 | [ |
PE?HD | 4 000 | [ |
PP | 3 500 | [ |
BOPP | 625 | [ |
PP(取向) | 2 500 | [ |
PET | 75 | [ |
BOPA | 30~50 | [ |
18.6~39(0 %RH, 23℃) | [ | |
MXD?6(取向) | 2.8(60 %RH, 20 μm) | [ |
MXD?6 | 4.3(60 %RH, 20 μm) | [ |
PVC | 150 | [ |
PS | 6 000 | [ |
PLA | 38~42 | [ |
EVOH | 0.08~0.19(0 %RH, 23 ℃) | [ |
EVOH (乙烯含量32 mol%) | 0.5(60 %RH, 20 μm) | [ |
EVOH(乙烯含量44 mol%) | 2.0(60 %RH, 20 μm) | [ |
BOPVA(醇解度97 %) | 0.5(50 %RH,20 μm) | 自测 |
复合膜组成 | 拉伸模量/ MPa | 拉伸强度/ MPa | 断裂应变/ % | 穿刺性能/ N·(8 mm)-1 | |||
---|---|---|---|---|---|---|---|
MD | TD | MD | TD | MD | TD | ||
BOPA/BOPE(15/30) | 854 | 1457 | 74 | 142 | 54 | 118 | 141 |
BOPA/BOPE(15/55) | 929 | 1170 | 53 | 133 | 54 | 103 | 179 |
BOPA/IPE(15/105) | 548 | 514 | 33 | 40 | 104 | 50 | 107 |
复合膜组成 | 拉伸模量/ MPa | 拉伸强度/ MPa | 断裂应变/ % | 穿刺性能/ N·(8 mm)-1 | |||
---|---|---|---|---|---|---|---|
MD | TD | MD | TD | MD | TD | ||
BOPA/BOPE(15/30) | 854 | 1457 | 74 | 142 | 54 | 118 | 141 |
BOPA/BOPE(15/55) | 929 | 1170 | 53 | 133 | 54 | 103 | 179 |
BOPA/IPE(15/105) | 548 | 514 | 33 | 40 | 104 | 50 | 107 |
薄膜类型 | 拉伸强度/MPa | 断裂应变/ % | 摆锤冲击 强度/J | 耐穿刺性能/ N·(8 mm)-1 | ||
---|---|---|---|---|---|---|
MD | TD | MD | TD | |||
BOPE/CPE溶剂 | 31.2 | 48.4 | 269 | 61 | 1.48 | 61.7 |
BOPE/CPE环保 | 30.5 | 49.6 | 266 | 67 | 1.28 | 74.1 |
IPE单层膜 | 28 | 26 | 320 | 567 | 0.98 | 40.3 |
薄膜类型 | 拉伸强度/MPa | 断裂应变/ % | 摆锤冲击 强度/J | 耐穿刺性能/ N·(8 mm)-1 | ||
---|---|---|---|---|---|---|
MD | TD | MD | TD | |||
BOPE/CPE溶剂 | 31.2 | 48.4 | 269 | 61 | 1.48 | 61.7 |
BOPE/CPE环保 | 30.5 | 49.6 | 266 | 67 | 1.28 | 74.1 |
IPE单层膜 | 28 | 26 | 320 | 567 | 0.98 | 40.3 |
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