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高冲击高透明PP  发帖心情 Post By:2009/12/19 12:23:00 [只看该作者]


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New Borpact BC918CF Polypropylene Brings Higher Level of Toughness to Transparent Packaging Film and Sheet

SpecialChem - Dec 17, 2009

A new polypropylene heterophasic copolymer for packaging film and sheet offers outstanding deep temperature resistance / toughness together with excellent transparency. Borpact? BC918CF from Borealis, a leading provider of chemical and innovative plastics solutions, has unrivalled stiffness, heat- and impact resistance, combined with high gloss and low haze. It provides the high clarity typical of PP homopolymers together with the tough, non-brittle performance of heterophasic copolymers. And thanks to a new additive package, the material complies with all European and U.S. regulations relating to food contact applications.

New Borpact=
New Borpact BC918CF polypropylene brings higher level of toughness to transparent packaging film and sheet

Borpact BC918CF will create even greater opportunities for converters and end-product manufacturers of thermoforming sheets, cast and blown film. Main application areas are modified atmosphere pachaging (MAP) trays for food packaging as well as film for stand up pouches (SUP) and labels.

The performance benefits of Borpact BC918CF translate into processing benefits for packaging processors. It allows significant downgauging compared to alternative material solutions, resulting in material and cost savings of up to 20%. High toughness converts into minimal low-temperature brittleness in finished products.

The combined mechanical and aesthetic advantages ensure attractive packaging with reduced potential for handling or storage-related damage. This is particularly important for items stored at low temperatures such as MAP trays for various chilled foods, including fruits and meats. An optimal balance of easy tear, stiffness and good aesthetics make the new grade ideal for retortable stand-up pouches, label films and carrier layers for peelable lidding films.

"Borealis' advanced Borpact innovation enables production of film and sheet with unique combinations of high quality aesthetics and mechanical properties that will provide new solutions to the challenges facing the packaging industry," says Albin Mariacher, Product Manager Film and Fibre. "We are sure Borpact BC918CF complying to European- and now also US food regulations will take polypropylene into new application areas."

Borpact BC918CF is based on Borealis' proprietary Borstar?technology, a multi-modal process that enables the molecular tailoring of polyethylene and polypropylene to provide solutions that meet the exact needs of the customer.

Borealis has more than 50 years experience in providing advanced polyolefin solutions for industries using film, coating and thermoforming products. With foresight throughout the value chain and a focus on customer needs, Borealis continues to provide innovative, value creating PP and PE solutions for the film industry.

Source: Borealis Group



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bruce
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  发帖心情 Post By:2009/12/22 15:51:00 [只看该作者]

有耐寒负40度的透明PP吗,负40度下15小时,1公斤多的制件一米高跌落不破裂...

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  发帖心情 Post By:2009/12/22 16:10:00 [只看该作者]

兄弟, BC918CF是专用于膜的嵌段2元共聚丙烯啊,他的特点其实是耐高温蒸煮,所谓的抗冲击是相对而言的。你的要求太严酷了,透明的1公斤注件要达到你要求,估计只有三元无规的也许有希望,其他的真不是一点半点难度啊。能把你检测标准说下吗?我所知道标准中的-40的处理时间与你说的差别很大啊。你用的什么标准啊?


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上海北京顺德
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  发帖心情 Post By:2009/12/22 17:54:00 [只看该作者]

以下是引用bruce在2009-12-22 15:50:40的发言:
有耐寒负40度的透明PP吗,负40度下15小时,1公斤多的制件一米高跌落不破裂...

貌似汽车膨胀水箱嘛


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lbrtaclmh
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  发帖心情 Post By:2009/12/23 8:11:00 [只看该作者]

应该不是的,首先汽车膨胀水箱对透明是没有要求的,而他要求的却是高透明,而且汽车膨胀水箱对刚性也是有要求的,透明的不好做啊;其次就是他的检测标准也于汽车膨胀水箱的-40检测标准不同的。

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上海北京顺德
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  发帖心情 Post By:2009/12/23 17:59:00 [只看该作者]

以下是引用lbrtaclmh在2009-12-23 8:11:28的发言:
应该不是的,首先汽车膨胀水箱对透明是没有要求的,而他要求的却是高透明,而且汽车膨胀水箱对刚性也是有要求的,透明的不好做啊;其次就是他的检测标准也于汽车膨胀水箱的-40检测标准不同的。

嘿嘿,这个可是我的绝技。


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hnix
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  发帖心情 Post By:2009/12/23 22:02:00 [只看该作者]

廖老师给个方向吧,呵呵

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lbrtaclmh
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  发帖心情 Post By:2009/12/24 9:20:00 [只看该作者]

羡慕啊,我为这个可也没少下工夫,但仍旧没做到透明,其实如果是汽车膨胀水箱,应该没必要非要做到高透,半透能看清楚里面的液位就可以了,最主要的是,汽车膨胀水箱的位置虽然离发动机比较远,但周围油管很多,稍有油污就是大花脸了。不过有的进口车对这个好象有要求?我记不清楚了


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