Title:
SHEET-TYPE ELASTIC PAVING MATERIAL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/114249
Kind Code:
A1
Abstract:
The present invention relates to a sheet-type elastic paving material composed of a composite sheet comprising an upper sheet and a lower sheet bonded to and integrated therewith the upper sheet, wherein the upper sheet comprises 15-25 parts by weight of red loess powder particles, 10-20 parts by weight of cork powder particles, 30-40 parts by weight of a thermoplastic elastic resin, 10-20 parts by weight of a processing oil, and 10-30 parts by weight of a mineral filler, the lower sheet comprises 10-20 parts by weight of an olefin-based resin, 30-40 parts by weight of a thermoplastic elastic resin, 20-30 parts by weight of a processing oil, and 20-30 parts by weight of a mineral filler, the upper sheet further comprises 3-10 parts by weight of any one antibacterial material from among magnesium carbonate, zinc oxide and copper micropowder, which are materials capable of improving antibacterial property, the antibacterial material has an antibacterial property of killing 99.9% or more of Escherichia coli, Pseudomonas aeruginosa and Staphylococcus after 24 hours, and the red loess powder particles of the upper sheet are uniformly applied to and infiltrate the surface of the cork powder particles and the inside of a microporous honeycomb structure.
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Inventors:
NA SEONG TAEK (KR)
SEOK JONG MIN (KR)
JEON BONG SIK (KR)
KIM DEA GEON (KR)
SEOK JONG MIN (KR)
JEON BONG SIK (KR)
KIM DEA GEON (KR)
Application Number:
PCT/KR2020/016736
Publication Date:
June 02, 2022
Filing Date:
November 24, 2020
Export Citation:
Assignee:
POLYONE CO LTD (KR)
International Classes:
B32B3/12; E01C15/00; B32B9/02; B32B9/04; B32B37/10; E01C5/22
Foreign References:
| KR101932142B1 | 2018-12-26 | |||
| KR102032778B1 | 2019-10-17 | |||
| KR20090125025A | 2009-12-03 | |||
| JP2006125124A | 2006-05-18 | |||
| US20190246575A1 | 2019-08-15 |
Attorney, Agent or Firm:
OAK, Sae Yeol (KR)
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