Compatibilizer system for extruded polyethylene foam and film
Abstract This paper discusses the processing/product benefits of adding additives to extruded polyethylene (PE) foam and film. Low‐density polyethylene foam (over 30 times expansion) requires adequate cooling to stabilize the melt/gas system for optimal foaming efficiency. The presence of a small po...
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| Published in | Journal of vinyl & additive technology Vol. 2; no. 3; pp. 258 - 262 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
Hoboken
Wiley Subscription Services, Inc., A Wiley Company
01.09.1996
|
| Online Access | Get full text |
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| Abstract | Abstract
This paper discusses the processing/product benefits of adding additives to extruded polyethylene (PE) foam and film. Low‐density polyethylene foam (over 30 times expansion) requires adequate cooling to stabilize the melt/gas system for optimal foaming efficiency. The presence of a small portion of high melting polyethylenes (i.e. LLDPE, HDPE) causes flow instability after cooling, resulting in surface defects in finished products. We found that the addition of metal oxide and fatty acid ester improved processing latitude and foam product quality. This formula was also tested in film processes at various ratios of LD/LLD/HD with promising results. It appears that this formula can allow us to accommodate post consumer resin (PCR) and to take advantage of PE price variations. |
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| AbstractList | Abstract
This paper discusses the processing/product benefits of adding additives to extruded polyethylene (PE) foam and film. Low‐density polyethylene foam (over 30 times expansion) requires adequate cooling to stabilize the melt/gas system for optimal foaming efficiency. The presence of a small portion of high melting polyethylenes (i.e. LLDPE, HDPE) causes flow instability after cooling, resulting in surface defects in finished products. We found that the addition of metal oxide and fatty acid ester improved processing latitude and foam product quality. This formula was also tested in film processes at various ratios of LD/LLD/HD with promising results. It appears that this formula can allow us to accommodate post consumer resin (PCR) and to take advantage of PE price variations. |
| Author | Lee, Shau-Tarng |
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| CitedBy_id | crossref_primary_10_3390_ma16031210 |
| Cites_doi | 10.1002/pol.1979.180171110 10.1016/0032-3861(95)91434-9 10.1002/pen.760270802 |
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| References | S. Lai and G. W. Knight, SPE ANTEC Tech. Papers, 39, 1188 (1993). J. Meissner, Polym. Eng. Sci., 27, 537 (1987). J. Minick, A. Moet, and E. Baer, Polymer, 36, 1923 (1995). J. H. MaGill and S. Peddada, J. Polym. Sci.: Polym. Phys. Ed., 17, 1947 (1979). E. Mitsoulis and G. Barakos, SPE ANTEC Tech. Papers, 40, 1247 (1994). e_1_2_1_6_2 e_1_2_1_7_2 e_1_2_1_5_2 Mitsoulis E. (e_1_2_1_2_2) 1994; 40 e_1_2_1_3_2 Lai S. (e_1_2_1_4_2) 1993; 39 e_1_2_1_8_2 |
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This paper discusses the processing/product benefits of adding additives to extruded polyethylene (PE) foam and film. Low‐density polyethylene foam... |
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| StartPage | 258 |
| Title | Compatibilizer system for extruded polyethylene foam and film |
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