Compostable films and compostable labels
A technology for labeling and composting materials, applied in the directions of labels, chemical instruments and methods, identification devices, etc., can solve the problems of increasing cost, difficulty, and reducing the number of available urban landfills.
Inactive Publication Date: 2017-02-22
AVERY DENNISON CORP
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- Description
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- Application Information
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Problems solved by technology
[0004] Inadequate treatment of municipal solid waste sent to landfills and the increasing addition of non-degradable and / or non-compostable materials—including plastics—to the municipal solid waste stream are combining to drastically reduce Number of available municipal landfills and increased costs associated with municipal solid waste disposal
While recycling of reusable components of waste streams is desirable in many situations, there are some products that do not readily fit into this conception
Method used
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Embodiment
[0124] The present disclosure is further illustrated by the following examples, which should in no way be construed as limiting. That is, specific features described in the following embodiments are only illustrative, not restrictive.
[0125] A number of compostable films were made according to certain embodiments of the present invention. For example, Table 1 summarizes the fabrication of six (6) different compostable films (ie, F1 through F6) using a number of known compostable materials at various weight percentages. As shown in Table 1, each of these specific materials contained 12 wt.% of Stanbridge Color 57304 (white masterbatch). Also, each of these films was produced using a conventional blown process.
[0126] As shown in Table 2, films comprising 100 wt.% of Novamont compostable Mater-Bi EF05S material were formed by a casting process. Table 3 summarizes the manufacture of six (6) additional compostable films according to certain embodiments of the invention usin...
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Abstract
Mono-layer and multi-layer compostable films are provided. The multi-layered compostable films may generally include a core layer fabricated from one or more compostable resins. Multi-layer compostable films may include at least one skin layer fabricated from the same or different compostable resin used to fabricate the core layer. Also provided are labels formed from such compostable films in combination with aqueous dispersions of bio-based pressure sensitive adhesives. These labels have many possible applications, such as labels for a variety of fruits.
Description
[0001] References to related applications [0002] This application claims U.S. Provisional Patent Application Serial No. 61 / 921,589, filed December 30, 2013, entitled Aqueous Dispersion of Bio-Based Pressure Sensitive Adhesive and filed December 30, 2013. Priority to U.S. Provisional Patent Application Serial No. 61 / 921,596, filed on March 30, entitled Compostable Film and Compostable Label, both of which are incorporated herein by reference in their entirety. technical field [0003] The disclosed invention generally relates to single-layer and multi-layer compostable films and compostable labels formed from such compostable films. The label has many possible applications, such as marking many different fruits. Background technique [0004] Inadequate treatment of municipal solid waste sent to landfills and the increasing addition of non-degradable and / or non-compostable materials—including plastics—to the municipal solid waste stream are combining to drastically reduce ...
Claims
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IPC IPC(8): B32B7/00B32B7/02B32B7/12B32B9/00B32B27/00B32B27/06B32B27/08B32B27/18B32B27/24B32B27/28B32B27/30B32B27/34B32B27/36B32B27/38C09J11/06
CPCB32B7/12B32B27/08B32B27/18B32B27/36B32B2250/24B32B2255/10B32B2255/26B32B2270/00B32B2272/00B32B2405/00B32B2519/00G09F3/10G09F2003/0226G09F2003/0229G09F2003/0283C09J11/04C09J11/08B32B9/02G09F3/02G09F2003/023G09F2003/0257
Inventor W-L·A·陈Q·罗C·R·威廉姆斯V·扎伊科夫
Owner AVERY DENNISON CORP