国家/地区 韩国（3）
IPC部 C（3）
IPC大类 C04（3） E01（3） C08（2）
IPC小类 C04B（3）
IPC C04B014/02（3）
发明人 HO M J（2） SEUNGGYEONG Y（2）
公开年 2022（3）
申请年 2021（2） 
专利权人 SBB CO LTD（2）

Sand mastic asphalt concrete composition used for constructing thin layer impermeable composite pavement, comprises high grade asphalt binder comprising petroleum-based asphalt, diisocyanate, polyetherpolyol, secondary amine, polymer modifier and plastic additive, and fine aggregate.

JO M

Water-permeable block comprises e.g. porous structure having honeycomb structure and filler to be filled in empty space of porous structure, includes gravel and bio-urethane-based adhesive containing polymeric methylenediphenyl diisocyanate.

HO M J, SEUNGGYEONG Y

Water-permeable block comprises e.g. gravel and bio-urethane-based adhesive containing first agent comprising polymeric methylenediphenyl diisocyanate and isocyanate monomer and second agent comprising petroleum polyether polyol.

HO M J, SEUNGGYEONG Y