Method for manufacturing articles having inorganically filled, starch-bound cellular matrix
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-059/00
C04B-031/00
출원번호
US-0288667
(1994-08-09)
발명자
/ 주소
Andersen Per Just
Hodson Simon K.
출원인 / 주소
E. Khashoggi Industries
대리인 / 주소
Workman, Nydegger and Seeley
인용정보
피인용 횟수 :
35인용 특허 :
166
초록▼
Compositions, methods, and systems for manufacturing articles, particularly containers and packaging materials, having a particle packed, highly inorganically filled, cellular matrix are disclosed. Suitable inorganically filled mixtures are prepared by mixing together a starch-based binder, a solven
Compositions, methods, and systems for manufacturing articles, particularly containers and packaging materials, having a particle packed, highly inorganically filled, cellular matrix are disclosed. Suitable inorganically filled mixtures are prepared by mixing together a starch-based binder, a solvent, inorganic aggregates, and optimal admixtures, e.g., fibers, mold-releasing agents, rheology-modifying agents, plasticizers, coating materials, and dispersants, in the correct proportions to form an article which has the desired performance criteria. The inorganically filled mixtures have a predetermined viscosity and are heated between molds at an elevated temperature and pressure to produce form-stable articles having a desired shape and a selectively controlled cellular, structure matrix. The molded articles may be placed in a high humidity chamber to obtain the necessary flexibility for their intended use. The articles may be manufactured to have properties substantially similar to articles presently made from conventional materials like paper, paperboard, polystyrene, plastic, or other organic materials. They have especial utility in the mass-production of containers, particularly food and beverage containers.
대표청구항▼
[ What is claimed and desired to be secured by United States Letters Patent is:] [1.] A method for manufacturing an article of manufacture having a starch-bound cellular structural matrix, the method comprising the steps of:a. preparing a moldable mixture including unimodified starchy water, and an
[ What is claimed and desired to be secured by United States Letters Patent is:] [1.] A method for manufacturing an article of manufacture having a starch-bound cellular structural matrix, the method comprising the steps of:a. preparing a moldable mixture including unimodified starchy water, and an inorganic aggregate, the inorganic aggregate being present in an amount greater than about 20% by weight of total solids in the moldable mixture, the unmodified starch being present in an amount in a range from about 10% to about 80% by weight of total solids in the moldable mixture;b. positioning the moldable mixture within a mold cavity corresponding to a desired shape of the article of manufacture; andc. heating the moldable mixture within the mold cavity in order to gelatinize the unmodified starch, remove a substantial portion of the water from the moldable mixture by evaporation, and form the starch-bound cellular structural matrix of the final article, wherein the starch-bound cellular structural matrix is form-stable in less than 15 minutes after being positioned into the desired shape of the article of manufacture.
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