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Tire 및 Tube의 품질보강(品質補强)에 관(關)한 연구(硏究) (제6보(第6報)) Tire 및 Tube의 시제(試製)에 의(依)한 이화학적(理化學的) 성능(性能)
김준수,이명환,염홍찬,이진범,박창호,홍종명,임동호,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Chin-Bum,Park, Chang-Ho,Hong, Chong-Myung,Im, Dong-Ho 韓國고무學會 1970 엘라스토머 및 콤포지트 Vol. No.
The physical properties of tire and tube products as a series of experiments have been studied and practical usage has been discussed. 1. The tensile strength and elongation of experimental production of tire and tube revealed better values than those found in requirements of military specification. 2. Adhesion of carcass plies with domestic and foregin cords showed good results in physical properties. 3. Tensile strength of carcass plies, tenacity of domestic cord and breaking energy of tire be exhibited good results.
김준수,이명환,염홍찬,이진범,박창호,홍종명,임동호,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Chin-Bum,Park, Chang-Ho,Hong, Chong-Myung,Im, Dong-Ho 韓國고무學會 1969 엘라스토머 및 콤포지트 Vol. No.
As a part of a series of previous studies, physical properties of various portions of a tire made of NR-Syn. R bloods were studied. 1. It was found, in general, most effective for tire tread when 50 parts of HAF black was blended with NR and Syn. R with a ratio of 70/30. 2. It was found that the use of SBR 1712 has an advantage in price, easy processing and physical properties than other synthetic rubber. 3. A technical compounding of various portions of a tire has to be determined for optimum cure conditions.
Tire 및 Tube의 품질보강(品質補强)에 관(關)한 연구(硏究) (제5보(第5報)) Tire Cord 및 Butyl Tube의 물성(物性)에 대(對)하여
김준수,이명환,염홍찬,이진범,박창호,홍종명,임동호,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Chin-Bum,Park, Chang-Ho,Hong, Chong-Myung,Im, Dong-Ho 韓國고무學會 1969 엘라스토머 및 콤포지트 Vol. No.
1. Physical properties of various nylon cords in a tire, both of home and foreign products are studied. The experimental data for home nylon cords appeared to be quite satisfactory for use in a tire compared with foreign nylon cords with respect to its tenacity, elongation, shrinkage and contraction. 2. Excellent results have been obtained with 50 phr carbon in butyl-carbon compounding.
김준수,이명환,염홍찬,이숙자,임광규,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Sook-Ja,Rhim, Kwang-Kew 韓國고무學會 1966 엘라스토머 및 콤포지트 Vol. No.
Based upon the results of the previous work, the experiments are concentrated on the improvement of the durability of rubber coated fabrics as a rain garment material. To obtain a much lighter and durable coated fabric, several kinds of light weight cotton prints having almost equal density in warp and fillingwise were chosen. Rubber coating on these prints was made by topping and spreading process using rubber compound of various viscosity, and the physical properties of final product were analysed and interpreted in terms of adhesion and durability. The results are as follows. 1. Any noticeable difference between two coating processes was not found in terms of physical properties. 2. Base fabrics should be dipped once into a dilute rubber compound before coating operation in order to obtain a uniform adhesion and physical properties, and the optimum range of the viscosity of dipping paste are from 100 poise to 200 poise. 3. Generally, the tearing strength of the coated fabrics is inversely proportional to the adhesion. 4. It was assumed that the increase of the water proofness after water immersion on the finished material which have dense base fabric is chiefly due to the swelling of the cellulosic fiber.
Tire 및 Tube의 품질보강(品質補强)에 관(關)한 연구(硏究)(제8보(第8報)) 합성(合成)고무를 다량혼용(多量混用)한 Tire 및 Tube의 시제(試製)
김준수,이명환,염홍찬,이진범,박창호,홍종명,임동호,이해용,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Chin-Bum,Park, Chang-Ho,Hong, Chong-Myung,Im, Dong-Ho,Lee, Hai-Ryong 韓國고무學會 1970 엘라스토머 및 콤포지트 Vol. No.
We have studied to apply of a quantity of SBR contained high and domestic tire cord on manufacture tire. The Physical test of compounds and products, the travelling test of manufactured tires last year had revealed a good results. 1. The physical properties indicated better values than those found in the requirments of military specification. 2. Adhesion of carcass ply cord showed a good results. 3. The physical properties between 1260 d/2 nylon cord and 840d/2 nylon cord of domestic products be showed similar values and its have a results by 2-3 times than standards.
Tire 및 Tube의 품질보강(品質補强)에 관(關)한 연구(硏究) (제7보(第7報)) 합성(合成)고무를 다량혼용(多量混用)한 각부위(各部位)의 이화학적(理化學的) 성능(性能)
김준수,이명환,염홍찬,이진범,박창호,홍종명,임동호,이해용,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Chin-Bum,Park, Chang-Ho,Hong, Jong-Myung,Im, Dong-Ho,Lee, Hai-Ryong 韓國고무學會 1970 엘라스토머 및 콤포지트 Vol. No.
In vulcanizates of NR/SBR blending compounds, the physical properties decrease as the contents of SBR increase for the most part. but the abrasives showed reverse performance. However, since these conditions enough satisfy the requirements of tread, carcass and sidewall of tire, we found it was possible to take use of the quantity of SBR contained high on tire manufacturing.
김준수,이명환,염홍찬,이숙자,임광규,Kim, Joon-Soo,Lee, Myung-Whan,Yum, Hong-Chan,Lee, Sook-Ja,Rhim, Kwang-Kew 韓國고무學會 1966 엘라스토머 및 콤포지트 Vol. No.
The physical properties of rubber coated fabrics, treated by means of spreading and topping process were studied. 1. The tearing strength of the rubber coated fabrics has shown decreasing tendency in comparison with fabric itself 2. Generally, the tearing strength is inversely proportional to the adhesion. 3. The value of hydrostatic pressure is in proportion to the density and tensile strength of the fabrics. 4. The topping process shows greater difference in adhesion initial and after water immersion than spreading process.