JPH0315533Y2 - - Google Patents

Info

Publication number

JPH0315533Y2

JPH0315533Y2 JP18677584U JP18677584U JPH0315533Y2 JP H0315533 Y2 JPH0315533 Y2 JP H0315533Y2 JP 18677584 U JP18677584 U JP 18677584U JP 18677584 U JP18677584 U JP 18677584U JP H0315533 Y2 JPH0315533 Y2 JP H0315533Y2

Authority

JP

Japan

Prior art keywords

water

expandable

rubber

present

rubber material

Prior art date

1984-12-11

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

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• 239000000463 material Substances 0.000 claims description 58
• 229920001971 elastomer Polymers 0.000 claims description 34
• 239000005060 rubber Substances 0.000 claims description 34
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
• 239000003566 sealing material Substances 0.000 description 5
• 238000004891 communication Methods 0.000 description 4
• 238000010276 construction Methods 0.000 description 4
• 150000001875 compounds Chemical class 0.000 description 3
• 239000004793 Polystyrene Substances 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 229920000642 polymer Polymers 0.000 description 2
• 239000002861 polymer material Substances 0.000 description 2
• 229920002223 polystyrene Polymers 0.000 description 2
• NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
• 244000043261 Hevea brasiliensis Species 0.000 description 1
• 239000002202 Polyethylene glycol Substances 0.000 description 1
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical class [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
• 229920002472 Starch Polymers 0.000 description 1
• 238000000748 compression moulding Methods 0.000 description 1
• 238000004132 cross linking Methods 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 150000001993 dienes Chemical class 0.000 description 1
• 229920000578 graft copolymer Polymers 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• 238000010068 moulding (rubber) Methods 0.000 description 1
• 229920003052 natural elastomer Polymers 0.000 description 1
• 229920001194 natural rubber Polymers 0.000 description 1
• 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
• 229920002401 polyacrylamide Polymers 0.000 description 1
• 229920001223 polyethylene glycol Polymers 0.000 description 1
• 239000011148 porous material Substances 0.000 description 1
• 239000004589 rubber sealant Substances 0.000 description 1
• 239000000565 sealant Substances 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
• 235000019698 starch Nutrition 0.000 description 1
• 239000008107 starch Substances 0.000 description 1
• 229920003051 synthetic elastomer Polymers 0.000 description 1
• 239000005061 synthetic rubber Substances 0.000 description 1
• 229920002725 thermoplastic elastomer Polymers 0.000 description 1
• 229920003169 water-soluble polymer Polymers 0.000 description 1