KR101299161B1 - 포장용 수분 흡착 필름 - Google Patents
포장용 수분 흡착 필름 Download PDFInfo
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Abstract
본 발명에 따르면 수분 흡착력 및 물성이 우수한 수분 흡착 필름을 제조할 수 있다. 일반적으로 수출용 화훼의 경우 화훼의 색보존을 위해 실리카겔 및 흡습지를 이용하여 수출을 진행하는데, 이것을 취급 편리하고 흡습 효과성이 높은 본 발명의 수분 흡착 필름으로 대처하여 제품의 품질보존 효과를 높일 수 있으며, 특히 수분에 민감한 건조식품 즉, 분말 입자 형태의 밀가루, 튀김가루, 건어물 등에 적용 가능할 뿐만 아니라 기계 부속품 또는 고철류 보관 시 제습포장에 적용이 가능하여 이들 제품의 보존 효과를 높일 수 있다. 또한 제품의 저장 및 보관 창고 내부에 제습을 위한 포장재로의 활용도 가능하다.
Description
도 2는 아크릴 아마이드 합성 아타풀자이트(ATPGAA)의 합성 공정을 나타낸 플로우 차트이다.
도 3은 본 발명 실시예의 실험과정을 나타낸 모식도이다.
도 4는 20℃, 30℃, 40℃에서 각 흡착 물질의 수착 작용을 나타내는 그래프이다.
도 5는 2.5배의 분산제(Triton X-100)를 사용하여 제작한 시트에서 PAPSS 입자의 분포를 나타내는 사진이다.
도 6은 2.0배의 분산제(Triton X-100)를 사용하여 제작한 시트에서 PAPSS 입자의 분포를 나타내는 사진이다.
도 7은 본 발명 실시예에서 제작한 시트의 기계적 물성을 나타낸 그래프이다.
도 8은 본 발명 실시예에서 포장용 필름의 제조공정을 나타낸 플로우 차트이다.
도 9는 본 발명 실시예에서 흡착 물질 농도에 따라 제작한 수분 흡착 필름의 수착 작용을 나타낸 그래프이다.
도 10은 흡착 물질 농도에 따른 수분 분포율을 나타낸 모식도이다.
도 11은 본 발명 실시예에서 PAPSS의 농도에 따라 제작한 필름의 기계적 특성을 나타내는 그래프이다.
도 12는 본 발명 실시예에서 ATPGAA의 농도에 따라 제작한 필름의 기계적 특성을 나타내는 그래프이다.
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|
물질 선별 기준 | ||||
| 흡수성 | 물리적 흡수 특성 | 과도한 화학적 처리 | 경제성 | 가공 가능성 | |
| 실리카겔 | ○ | ○ | - | ○ | - |
| 제올라이트 | ○ | ○ | - | ○ | ○ |
| Diatomite (Power Dry) |
○ | ○ | - | ○ | |
| Montmorillonite (Closite®Na+) |
○ | ○ | ○ | ○ | ○ |
| Montmorillonite (Closite®20A) |
○ | ○ | ○ | ○ | ○ |
| Montmorillonite (Closite®30B) |
○ | ○ | ○ | ○ | ○ |
| PAPSS | ○ | ○ | ○ | ○ | |
| ATPG | - | ○ | - | ○ | ○ |
| ATPGAA | ○ | ○ | - | - | ○ |
| 염 종류 |
수분활성(aw) | ||
| 20℃ | 30℃ | 40℃ | |
| K2SO4 | 0.309 | 0.321 | 0.340 |
| KCl | 0.384 | 0.381 | 0.386 |
| NH4NO3 | 0.514 | 0.558 | 0.614 |
| Na2Cr2O7·H2O | 0.610 | 0.729 | 0.866 |
| CaCl2 | 0.731 | 0.821 | 0.929 |
| NaOH | 0.879 | 0.934 | 0.977 |
| 온도(℃) |
aw |
Qeq(g/g) | |||
| 실리카겔 | 제올라이트 | Power Dry | Closite®Na+ | ||
| 20℃ |
0.3090 | 0.0589±0.0206 | 0.0527±0.0115 | 0.1206±0.0092 | 0.0793±0.0008 |
| 0.3840 | 0.1007±0.0004 | 0.0620±0.0009 | 0.1371±0.0027 | 0.0804±0.0042 | |
| 0.5140 | 0.2653±0.0003 | 0.2066±0.0019 | 0.2000±0.0037 | 0.1073±0.0034 | |
| 0.6100 | 0.2570±0.0013 | 0.1595±0.0020 | 0.1529±0.0503 | 0.0984±0.0038 | |
| 0.7310 | 0.2580±0.0099 | 0.1983±0.0032 | 0.1798±0.0026 | 0.1067±0.0050 | |
| 0.8790 | 0.2604±0.0212 | 0.3848±0.0081 | 0.2779±0.0043 | 0.1785±0.0093 | |
| 30℃ |
0.3210 | 0.0709±0.0010 | 0.0442±0.0006 | 0.1361±0.0036 | 0.0556±0.0008 |
| 0.3810 | 0.0837±0.0005 | 0.0557±0.0008 | 0.1417±0.0068 | 0.0611±0.0005 | |
| 0.5580 | 0.2528±0.0013 | 0.1881±0.0022 | 0.1425±0.0869 | 0.0824±0.0007 | |
| 0.7294 | 0.2126±0.0028 | 0.1147±0.0067 | 0.1746±0.0051 | 0.0684±0.0023 | |
| 0.8210 | 0.2430±0.0043 | 0.1940±0.0015 | 0.1361±0.0039 | 0.0813±0.0035 | |
| 0.9341 | 0.2630±0.0015 | 0.3830±0.0086 | 0.2762±0.0049 | 0.1337±0.0058 | |
| 40℃ |
0.3397 | 0.0841±0.0092 | 0.0350±0.0010 | 0.1531±0.0017 | 0.0295±0.0034 |
| 0.3856 | 0.0649±0.0027 | 0.0487±0.0005 | 0.1467±0.0028 | 0.0398±0.0077 | |
| 0.6140 | 0.2391±0.0037 | 0.1678±0.0013 | 0.0792±0.0044 | 0.0551±0.0313 | |
| 0.8658 | 0.1638±0.0503 | 0.0653±0.0028 | 0.1984±0.0012 | 0.0354±0.0136 | |
| 0.9292 | 0.2264±0.0026 | 0.1894±0.0043 | 0.0881±0.0064 | 0.0534±0.0239 | |
| .9774 | 0.2658±0.0043 | 0.3811±0.0015 | 0.2743±0.0054 | 0.0844±0.0842 | |
| 온도(℃) |
aw |
Qeq(g/g) | ||
| PAPSS | ATPG | ATPGAA | ||
| 20℃ |
0.3090 | 0.0458±0.0213 | 0.0671±0.0156 | 0.0667±0.0034 |
| 0.3840 | 0.1301±0.0122 | 0.0824±0.0066 | 0.1241±0.0077 | |
| 0.5140 | 0.9083±0.0018 | 0.1431±0.0186 | 0.5150±0.0313 | |
| 0.6100 | 0.6711±0.0011 | 0.1305±0.0042 | 0.3502±0.0136 | |
| 0.7310 | 0.9347±0.0043 | 0.1369±0.0068 | 0.4874±0.0239 | |
| 0.8790 | 0.6202±0.0202 | 0.3186±0.0157 | 0.0333±0.0842 | |
| 30℃ |
0.3210 | 0.1147±0.0101 | 0.0707±0.0017 | 0.1091±0.0068 |
| 0.3810 | 0.1676±0.0001 | 0.0800±0.0028 | 0.1442±0.0083 | |
| 0.5580 | 0.8354±0.0172 | 0.1284±0.0044 | 0.4569±0.0323 | |
| 0.7294 | 0.5762±0.0016 | 0.1053±0.0012 | 0.3045±0.0084 | |
| 0.8210 | 0.0363±0.0023 | 0.1192±0.0064 | 0.4799±0.0215 | |
| 0.9341 | 0.9057±0.0009 | 0.3056±0.0054 | 0.1966±0.0811 | |
| 40℃ |
0.3397 | 0.1906±0.0036 | 0.0747±0.0068 | 0.1557±0.0006 |
| 0.3856 | 0.2089±0.0068 | 0.0772±0.0083 | 0.1663±0.0008 | |
| 0.6140 | 0.7551±0.0087 | 0.1123±0.0323 | 0.3929±0.0022 | |
| 0.8658 | 0.4717±0.0051 | 0.0777±0.0084 | 0.2542±0.0067 | |
| 0.9292 | 0.1480±0.0039 | 0.0996±0.0215 | 0.4717±0.0015 | |
| 0.9774 | 0.2198±0.0049 | 0.2914±0.0811 | 0.3762±0.0086 | |
| 모델명 | 모델 방정식 | 참고 |
| Chung-Pfost | Pfost et al.(1976) | |
| Modified Halsey | Iglesias and Chirife (1976) | |
| GAB | Van der berg and Briun(1981) | |
| Modified Oswin | Chen(2000) | |
| Henderson-Thompson | Thompson et al.(1968) | |
| White and Eiring | Castillo et al. (2003) | |
| Peleg | Peleg(1993) | |
| Smith | Smith(1947) | |
| Caurie | Castillo et al. (2003) |
| 온도(℃) | 물질 | 최적 모델 | R2 | 상수값 | ||
| a | b | c | ||||
| 20℃ |
실리카겔 | Peleg | 0.91 | 1.28 | -0.82 | -1.01 |
| ClositeNa+ | Chung-Pfost | 0.89 | 7.09 | 0.00 | 511.34 | |
| Power Dry | Modified Halsey | 0.82 | 973.82 | 3.34 | 3.00 | |
| 제올라이트 | Peleg | 0.94 | 0.28 | 9.51 | 0.10 | |
| PAPSS | Chung-Pfost | 0.89 | 1.48 | 0.00 | 420.54 | |
| ATPG | Modified Halsey | 0.93 | -890.99 | -3.03 | 1.53 | |
| ATPGAA | Smith | 0.89 | -0.07 | 0.51 | - | |
| 30℃ |
실리카겔 | Peleg | 0.89 | 1.10 | -0.63 | -0.84 |
| ClositeNa+ | Modified Oswin | 0.88 | 52.71 | 0.17 | 0.53 | |
| Power Dry | Modified Halsey | 0.73 | -5.28 | 0.01 | 3.83 | |
| 제올라이트 | Peleg | 0.86 | 0.16 | 13.37 | 0.07 | |
| PAPSS | Modified Oswin | 0.91 | -55.71 | -0.19 | 0.58 | |
| ATPG | Peleg | 0.96 | 0.73 | 18.87 | 0.10 | |
| ATPGAA | Modified Halsey | 0.93 | -15.29 | -0.04 | 1.37 | |
| 40℃ |
실리카겔 | Peleg | 0.74 | -0.01 | -2.48 | 0.24 |
| ClositeNa+ | Modified Halsey | 0.83 | 4309.04 | 13.78 | 1.84 | |
| Power Dry | Peleg | 0.60 | 48.50 | 258.27 | 0.14 | |
| 제올라이트 | Peleg | 0.81 | 0.08 | 28.82 | 0.04 | |
| PAPSS | Modified Halsey | 0.92 | -2.64 | 0.00 | 1.73 | |
| ATPG | Peleg | 0.98 | 0.82 | 61.67 | 0.09 | |
| ATPGAA | Peleg | 0.97 | 2.49 | 36.68 | 0.30 | |
| A사 제품 | B사 제품 | C사 제품 | D사 제품 | |
| 제품 중량 | 15.51g | 14.10g | 13.47g | 12.12g |
| 필름 중량 | 3.1g | 3.17g | 3.16g | 3.12g |
| 트레이 중량 | 4.21g | 4.27g | 4.25g | 4.50g |
| 생산품 중량 | 5g | 5g | 5g | 5g |
| 흡수제 중량 | 8.2g | 6.66g | 6.06g | 4.5g |
| 최대인장력 (㎏) |
변형율(%) | 응력(㎏/㎟) | 평균신장율 (%) |
평균 인장응력 |
비교(%) | ||
| LDPE |
9.7 | 97.647 | 1.026316 | 97.2868 |
1.031579 |
- |
|
| 9.9 | 101.486 | 1.026316 | |||||
| 10.1 | 96.687 | 1.052632 | |||||
| 9.7 | 93.927 | 1.026316 | |||||
| 9.7 | 96.687 | 1.026316 | |||||
| 2.0배 (PAPSS) |
8.2 | 49.779 | 0.723 | 55.4324 |
0.7922 |
56.98 |
76.94 |
| 10 | 77.952 | 0.881 | |||||
| 8.7 | 50.155 | 0.761 | |||||
| 8.9 | 49.638 | 0.777 | |||||
| 9.3 | 49.638 | 0.819 | |||||
| 2.5배 (PAPSS) |
10.2 | 63.671 | 0.897 | 63.3452 |
0.868 |
65.11 |
84.14 |
| 9.3 | 57.342 | 0.816 | |||||
| 10.2 | 66.661 | 0.897 | |||||
| 10.5 | 67.781 | 0.922 | |||||
| 9.2 | 61.271 | 0.808 | |||||
| 2.0배 (ATPGAA) |
8.3 | 63.491 | 0.724 | 57.5698 |
0.7078 |
59.18 |
68.61 |
| 7.8 | 57.302 | 0.685 | |||||
| 8 | 55.772 | 0.7 | |||||
| 8.7 | 55.842 | 0.764 | |||||
| 7.6 | 55.442 | 0.666 | |||||
| 2.5배 (ATPGAA) |
6.2 | 56.912 | 0.54 | 57.1898 |
0.5848 |
58.74 |
56.69 |
| 4.4 | 53.512 | 0.385 | |||||
| 6.7 | 54.732 | 0.59 | |||||
| 8.3 | 63.491 | 0.724 | |||||
| 7.8 | 57.302 | 0.685 | |||||
| 함량(%) | 흡습물질(kg) | LLDPE(kg) | 총(kg) | ||
| 샘플 1 | 0 | - | 10 | 10 | |
| 샘플 2 | 0.05 | 0.5 | PAPSS |
9.5 | 10 |
| 샘플 3 | 1 | 1 | 9 | 10 | |
| 샘플 4 | 2 | 2 | 8 | 10 | |
| 샘플 5 | 4 | 4 | 6 | 10 | |
| 샘플 6 | 0.05 | 0.5 | ATPGAA |
9.5 | 10 |
| 샘플 7 | 1 | 1 | 9 | 10 | |
| 샘플 8 | 2 | 2 | 8 | 10 | |
| 샘플 9 | 4 | 4 | 6 | 10 | |
| 샘플 | 필름중량(g)/시편 | 예측된 흡습물질 중량(g) |
| LLDPE(대조군) | 1.159±0.074 | - |
| 0.5% PAPSS | 1.145±0.092 | 0.006±0.004 |
| 1% PAPSS | 1.396±0.139 | 0.014±0.001 |
| 2% PAPSS | 1.411±0.141 | 0.028±0.003 |
| 4% PAPSS | 1.188±0.057 | 0.048±0.002 |
| 0.5% ATPGAA | 1.220±0.067 | 0.006±0.002 |
| 1% ATPGAA | 1.134±0.064 | 0.011±0.001 |
| 2% ATPGAA | 1.149±0.043 | 0.023±0.001 |
| 4% ATPGAA | 1.120±0.046 | 0.045±0.002 |
| %RH | Qeq(g/g) | ||||
| LLDPE | 0.5% PAPSS | 1% PAPSS | 2% PAPSS | 4% PAPSS | |
| 0.309 | 0 | 0.003±0.005 | 0.010±0.004 | 0.008±0.002 | 0.010±0.002 |
| 0.384 | 0 | 0.014±0.007 | 0.037±0.007 | 0.029±0.002 | 0.038±0.004 |
| 0.514 | 0 | 0.156±0.018 | 0.271±0.017 | 0.254±0.039 | 0.300±0.017 |
| 0.610 | 0 | 0.141±0.013 | 0.201±0.014 | 0.219±0.026 | 0.267±0.017 |
| 0.731 | 0 | 0.222±0.020 | 0.251±0.016 | 0.317±0.032 | 0.338±0.007 |
| 0.879 | 0 | 0.327±0.005 | 0.456±0.031 | 0.504±0.060 | 0.542±0.036 |
| %RH | Qeq(g/g) | ||||
| LLDPE | 0.5% ATPGAA | 1% ATPGAA | 2% ATPGAA | 4% ATPGAA | |
| 0.309 | 0 | 0.003±0.005 | 0.016±0.004 | 0.014±0.001 | 0.017±0.003 |
| 0.384 | 0 | 0.017±0.008 | 0.066±0.015 | 0.054±0.003 | 0.058±0.005 |
| 0.514 | 0 | 0.198±0.012 | 0.502±0.067 | 0.454±0.016 | 0.511±0.017 |
| 0.610 | 0 | 0.162±0.015 | 0.384±0.026 | 0.379±0.023 | 0.442±0.017 |
| 0.731 | 0 | 0.248±0.027 | 0.446±0.016 | 0.580±0.041 | 0.549±0.014 |
| 0.879 | 0 | 0.411±0.011 | 0.697±0.080 | 0.847±0.063 | 0.844±0.052 |
| %RH | Qeq(g/g) | 비율(%) | |||
| 실리카겔(A) | PAPSS(B) | 2% PAPSS 필름(C) | (C)/(B)×100 | (C)/(A)×100 | |
| 0.309 | 0.059±0.021 | 0.046±0.021 | 0.008±0.002 | 18.368 | 14.295 |
| 0.384 | 0.101±0.001 | 0.130±0.012 | 0.029±0.002 | 22.477 | 29.021 |
| 0.514 | 0.265±0.001 | 0.908±0.002 | 0.254±0.039 | 27.948 | 95.703 |
| 0.610 | 0.257±0.001 | 0.671±0.001 | 0.219±0.026 | 32.570 | 85.049 |
| 0.731 | 0.258±0.010 | 0.935±0.004 | 0.317±0.032 | 33.878 | 122.751 |
| 0.879 | 0.260±0.021 | 1.620±0.020 | 0.504±0.060 | 31.124 | 193.621 |
| %RH | Qeq(g/g) | 비율(%) | |||
| 실리카겔(A) | ATPGAA(B) | 2% ATPGAA 필름(C) | (C)/(B)×100 | (C)/(A)×100 | |
| 0.309 | 0.059±0.021 | 0.067±0.033 | 0.014±0.001 | 21.537 | 24.392 |
| 0.384 | 0.101±0.001 | 0.124±0.008 | 0.054±0.003 | 43.312 | 53.339 |
| 0.514 | 0.265±0.001 | 0.515±0.031 | 0.454±0.016 | 88.244 | 171.313 |
| 0.610 | 0.257±0.001 | 0.350±0.014 | 0.379±0.023 | 108.199 | 147.404 |
| 0.731 | 0.258±0.010 | 0.487±0.024 | 0.580±0.041 | 119.002 | 224.829 |
| 0.879 | 0.260±0.021 | 1.033±0.084 | 0.847±0.063 | 81.938 | 325.097 |
Claims (8)
- 폴리에틸렌계 수지를 포함하여 이루어지며,
수분흡착제로 폴리아크릴산 부분 나트륨 염(PAPSS, Polyacrylic acid partial sodium salt)을 조성물 총 중량의 1 내지 2 중량%로 포함하여 이루어지는 수분 흡착 포장필름용 수지 조성물. - 삭제
- 제 1항에 있어서,
상기 폴리에틸렌계 수지는 선형 저밀도 폴리에틸렌(LLDPE)인 것을 특징으로 하는 수분 흡착 포장필름용 수지 조성물. - 제 1항에 있어서,
상기 폴리에틸렌계 수지는 녹는점이 150 내지 180℃인 것을 특징으로 하는 수분 흡착 포장필름용 수지 조성물. - 제 1항, 제 3항 및 제 4항 중 어느 한 항의 수지 조성물로 제조되는 것을 특징으로 하는 포장용 수분 흡착 필름.
- 폴리에틸렌계 수지 및 폴리아크릴산 부분 나트륨 염(PAPSS, Polyacrylic acid partial sodium salt)을 20 : 1 내지 20 : 6 중량비로 컴파운딩하여 펠렛을 제조하는 단계; 및
폴리아크릴산 부분 나트륨 염의 함량이 총 수지조성물의 1 내지 2중량%가 되도록 상기 펠렛에 상기 폴리에틸렌계 수지를 더 첨가하여 블로우 압출시키는 단계를 포함하는 포장용 수분 흡착 필름 제조방법. - 삭제
- 제 6항에 있어서, 상기 폴리아크릴산 부분 나트륨 염의 입도가 100 내지 500메쉬인 것을 특징으로 하는 포장용 수분 흡착 필름 제조방법.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160127245A (ko) | 2015-04-24 | 2016-11-03 | 이승곤 | 아타풀자이트 기반 흡착제를 함유하는 흡착성 플라스틱용 수지 조성물 및 플라스틱 제품 |
| KR20160127318A (ko) | 2015-09-14 | 2016-11-03 | 이승곤 | 아타풀자이트 기반 흡착제를 함유하는 흡착성 플라스틱용 수지 조성물 및 플라스틱 제품 |
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| CN103980548B (zh) * | 2014-05-16 | 2016-06-15 | 江苏省农业科学院 | 一种淀粉基可降解农用地膜及其制备方法 |
| KR101720537B1 (ko) | 2015-09-21 | 2017-03-28 | 주식회사 한국지러스트 | 제습필름 조성물 및 이를 이용한 제습 수축필름 |
| KR101825698B1 (ko) | 2017-06-08 | 2018-02-05 | 주식회사 데시칸트 | 자동차 램프용 내방출성 흡습제 및 이를 포함하는 흡습제품 |
| CN113130561B (zh) | 2019-12-31 | 2024-08-20 | 乐金显示有限公司 | 发光显示装置 |
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