U.S.-Bulgaria Cooperative Research on Environmentally Friendly Manufacturing of Polymeric Materials from Natural Wastes
U.S.-Bulgaria Cooperative Research on Environmentally Friendly Manufacturing of Polymeric Materials from Natural Wastes
批准号:
9514149
负责人:
James Mark
金额:
$3.6万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-03-01 至 1999-02-28
中文摘要
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英文摘要
9514149 Mark This U.S.-Bulgaria Cooperative Research award will study "Environmentally Friendly Manufacturing of Polymeric Materials from Neutral Wastes." The principal researchers are Dr. J. E. Mark of the University of Cincinnati, and Dr. B. S. Fakirov of Sofia University. Theoretical developments indicate that unusually good mechanical properties can be obtained by drying swollen networks of semi-rigid chains while they are in the deformed state. This approach was recently demonstrated for cellulosic esters and ethers and for some poly(n- alkylisiocyanates), yielding increases in Young's modulus and tensile strength by factors of 4 to 5. The proposed study aims at extension of these successful experiments to collagen in the form of highly-degradable gelatin. This material is particularly suited for the development of such techniques for a number of reasons, including: (1) possibility of production from natural wastes using very mild processing conditions; (2) water solubility; (3) biodegradability, with absence of pollution problems; (4) low cost; and (5) consumability as a food product. The expectation is to develop laboratory-scale technology for manufacturing gelatin fibers and films with improved mechanical properties potentially usable as commodity materials and goods. Depending on the results obtained, an attempt could be made to commercialize the optimized technology. This research in chemistry fulfills the program objectives of bringing together leading experts in the U.S. and Bulgaria to combine complementary efforts and capabilities in areas of strong mutual interest and competence on the basis of equality, reciprocity, and mutuality of benefit. ***
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批准号:AH/N504580/1
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财政年份:2008
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批准号:0803454
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资助金额:$46.8万
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财政年份:2008
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依托单位:
Some Modern Aspects of Elastomer Science and Technology
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批准号:0314760
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资助金额:$45.6万
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财政年份:2003
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负责人:James Mark
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依托单位:
US-Egypt Cooperative Research: Processing Techniques for Improving Mechanical Properties of Biodegradable Polymers
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批准号:0111334
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项目类别:Standard Grant
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资助金额:$2.5万
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财政年份:2001
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负责人:James Mark
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依托单位:
Syntheses, Structures, Properties, and Applications of Some Novel Elastomers
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批准号:0075198
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项目类别:Continuing Grant
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资助金额:$40.5万
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财政年份:2000
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负责人:James Mark
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依托单位:
US-Egypt Cooperative Research: Segmental Orientation and Strain Induced Crystallization in Regular Bimodal Poly (tetramethylene oxide) (PTMO) Elastomers
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批准号:9605191
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项目类别:Standard Grant
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资助金额:$3.6万
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财政年份:1997
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负责人:James Mark
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依托单位:
Cooperative Research: Novel Polymeric Materials Based on Natural Resources in Vietnam
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批准号:9600165
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项目类别:Standard Grant
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资助金额:$7.54万
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财政年份:1996
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负责人:James Mark
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依托单位:
Design, Characterization, and Evaluation of Elastomeric Materials
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批准号:9422223
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项目类别:Continuing Grant
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资助金额:$62.75万
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财政年份:1995
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负责人:James Mark
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依托单位:
U.S.-Egypt Experiments And Simulations On Filler Reinforce- ment in Elastomers (Science in Developing Countries)
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批准号:9122935
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1992
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负责人:James Mark
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依托单位:
US-Bulgaria Materials Research on Synthesis and Characterization of High-Performance Thermoplastic Elastomers
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批准号:9115524
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1992
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负责人:James Mark
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依托单位:
Properties of Highly Elastic Polymeric Materials
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批准号:8918002
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项目类别:Continuing grant
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资助金额:$0.0万
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财政年份:1990
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负责人:James Mark
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依托单位:
Segmental Orientation, Rotational Isomerization, Strain- Induced Crystallization, and Ultimate Properties of Elastomers-U.S.-Turkey Cooperative Research.
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批准号:8903327
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1989
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负责人:James Mark
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依托单位:
Properties of Highly Elastic Polymeric Materials
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批准号:8415082
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项目类别:Continuing Grant
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资助金额:$57.51万
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财政年份:1984
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负责人:James Mark
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依托单位:
Acquisition of Low Angle Laser Light Scattering Instrumentation
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批准号:8113271
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1981
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负责人:James Mark
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依托单位:
Travel to Attend: International Conference on Structure- Property Relations of Rubber; Kharagpur, India; Dec 29-31, 1980
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批准号:8017647
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项目类别:Standard Grant
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资助金额:$0.22万
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财政年份:1980
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负责人:James Mark
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依托单位:
Properties of Highly Elastic Polymeric Materials (Materials Research)
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批准号:7918903
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项目类别:Continuing grant
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资助金额:$0.0万
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财政年份:1979
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负责人:James Mark
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依托单位:
Travel to Attend: Iupac 26th International Symposium on Macromolecules; Mainz, West Germany; Sept 17-21, 1979
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批准号:7916386
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项目类别:Standard Grant
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资助金额:$0.07万
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财政年份:1979
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负责人:James Mark
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依托单位:
Properties of Highly-Elastic Polymeric Materials
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批准号:7718356
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1977
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负责人:James Mark
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依托单位:
海外基金