著者
中隅 哲郎
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.63, no.4, pp.204-208, 1990 (Released:2007-07-09)
被引用文献数
2 1
著者
小宮 三四郎
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.89, no.2, pp.42-49, 2016 (Released:2016-03-25)
参考文献数
37

Homogeneous catalysis promoted by transition metal complexes such as hydrometallation, carbonylation, Wacker oxidation, oxidative coupling reaction are described. Mechanistic aspects of these catalytic reactions are discussed on the basis of the fundamental reaction patterns of organotransiton metal complexes such as ligand dissociation and association, oxidative addition and reductive elimination, insertion and elimination, and reactions of the coordinated substrates.
著者
松野 寿生 田中 敬二
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.87, no.10, pp.434-439, 2014 (Released:2015-04-29)
参考文献数
18

The adhesion of L929 fibroblast on polymer bilayers composed of a glassy polystyrene (PS) prepared on the top of a rubbery polyisoprene (PI) was examined. Since the top PS layer is not built on a glassy foundation, the system becomes mechanically unstable with decreasing thickness of the PS layer. When the PS film was thinner than 25 nm,the number of cells adhered to the surface decreased and the cells could not be well spread. Fluorescence microscopic observations revealed that the formation of F-actin filaments in cells attached to the bilayers was more pronounced with a thicker PS film than with a thinner one. On the other hand, the thickness dependence of the cell adhesion was not observed for the PS monolayer films. Taking into account that the amount of adsorbed protein molecules was independent of the PS layer thickness of the bilayer films, our results indicate that cells, unlike protein molecules,could sense mechanical properties derived from the deeper region of the scaffold.
著者
高取 永一
出版者
THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.82, no.4, pp.175-182, 2009 (Released:2010-04-12)
参考文献数
137
被引用文献数
2 2

Fractionation technique is very significant for the polymer analysis. Several methods were proposed, SEC(Size Exclusion Chromatography), FFF(Field Flow Fractionation), Electrophoresis, Hydrodynamic Chromatography, MTF (Molecular Topology Fractionation), and so on. In these methods SEC is the most general. This report reviews about concepts of separation mechanism, sources of analytical error, detectors, and analysis examples of SEC.
著者
阿多 誠介
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.90, no.4, pp.200-205, 2017 (Released:2017-06-27)
参考文献数
19

Carbon nanotube (CNT) was found in 1991 by Dr. Iijima, and it has attracted wide attention because of its high mechanical properties along with high electrical and thermal conductivities. However, practical application of carbon nanotube has not been achieved yet. In this article, I repot promising applications of CNT and rubber composite such as high thermal conductive flexible sheet (TIM), stretchable electric wire for devices, high wear resistant material and high thermal durable materials for shielding field. Furthermore, I also report the importance of CNT dispersion for getting high performance the CNT and rubber composite. Just after the synthesis, CNTs form bundled structure. To derive the structural advantage of CNT for filler, de-bundling is important.
著者
深山 美代治
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.62, no.12, pp.758-766, 1989 (Released:2008-04-16)
参考文献数
4
被引用文献数
1
著者
小宮 三四郎
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.88, no.7, pp.270-275, 2015 (Released:2015-09-10)
参考文献数
20
被引用文献数
1

Fundamental minimum basic ideas for understanding structure and chemical bond of organotransition metal compounds as well as mechanisms of transition metal promoted catalyses and organic chemical transformations including bonding concepts, orbital hybridization, electron-deficient bond, back-donation, 18-electron rule, coordinative unsaturation, crystal field theory, fluxionality, nomenclature are described.
著者
渡辺 訓江 近藤 肇
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.90, no.4, pp.210-214, 2017 (Released:2017-06-27)
参考文献数
13
被引用文献数
1

Natural rubber (NR) is polyisoprene with 100% of cis-1,4 structure on main chain. NR is a natural resource derived from a tropical tree called Hevea brasiliensis (para rubber tree) that produces latex. NR is an industrial raw material, and global NR production and consumption are about 12 million ton per year (2014) which are about 40% in total rubber usage. Since NR shows superior physical properties such as break strength or durability comparing with synthetic rubber, NR demand is expected to rise in the future. In this review, we describe the present state, trend of new research and development of NR.

1 0 0 0 OA ホース

著者
横井 勝彦 増実 二郎
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.54, no.2, pp.94-101, 1981 (Released:2008-04-16)
参考文献数
22
被引用文献数
1
著者
髙坂 泰弘
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.91, no.11, pp.400-405, 2018 (Released:2019-04-23)
参考文献数
42

Conjugate substitution reaction of α-(halomethyl) acrylates that proceeds in addition-elimination (SN2’) mechanism is attractive for polymer chemists, because it undergoes under ambient conditions in quantitative yields to afford α-(substituted methyl) acrylates. In this report, the conjugate substitution reaction is applied to elemental reactions in polymer chemistry, including termination of stereospecific living anionic polymerization, polycondensation, and main chain scission.
著者
武田 文七
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.29, no.8, pp.667-675, 1956-08-15 (Released:2013-03-05)
参考文献数
40
被引用文献数
2
著者
近藤 寛朗
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.90, no.8, pp.415-422, 2017 (Released:2017-10-14)
参考文献数
19
被引用文献数
1 2
著者
宇山 浩
出版者
THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.86, no.6, pp.161-168, 2013 (Released:2013-08-02)
参考文献数
21
被引用文献数
1

For issues of energy crisis and global environmental pollution by greenhouse gases, polymers based on renewable resources have become increasingly important, contributing to building sustainable society. This review deals with recent development of bio-based polymers. Practical issues of biomass plastics, new biomass plastics, production of common plastics from biomass, polymeric materials from natural polymers, and plant oil-based polymers are mentioned.
著者
植松 市太郎
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.30, no.12, pp.944-954, 1957-12-15 (Released:2013-03-05)
参考文献数
68
被引用文献数
1
著者
中嶋 直敏 白木 智丈
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.89, no.1, pp.3-9, 2016 (Released:2016-03-09)
参考文献数
26
被引用文献数
1

Carbon nanotubes (CNTs) have been central materials in the field of nanotechnology and nano-materials science due to their remarkable physical, physicochemical, thermal, mechanical and electrical properties. One of the key issues in the utilization of such seminal materials for basic researches together with the material applications is to develop a methodology to solubilize/disperse them in solvents since as-synthesized CNTs form tight bundled structures due to their strong van der Waals interaction (0.9 eV/nm) and are insoluble in many solvents. Solubilization/dispersion techniques can be categorized mainly into two methods, namely, ‘chemical’ and ‘physical’ modification. Solubilization/dispersion of CNTs based on the physical adsorption of dispersant molecules possesses several advantages such as the ease of preparation process and maintaining the intrinsic CNT properties, which show sharp contrast with the chemical modification. In this review article, general strategies for CNT solubilization as well as the applications of solubilized CNTs are described.
著者
桑山 力次 日下 義治
出版者
一般社団法人 日本ゴム協会
雑誌
日本ゴム協会誌 (ISSN:0029022X)
巻号頁・発行日
vol.58, no.12, pp.781-788, 1985 (Released:2008-04-16)
参考文献数
7
被引用文献数
1