JPS55110157A - Water-repelling powder particles and their preparation - Google Patents
Water-repelling powder particles and their preparationInfo
- Publication number
- JPS55110157A JPS55110157A JP1619979A JP1619979A JPS55110157A JP S55110157 A JPS55110157 A JP S55110157A JP 1619979 A JP1619979 A JP 1619979A JP 1619979 A JP1619979 A JP 1619979A JP S55110157 A JPS55110157 A JP S55110157A
- Authority
- JP
- Japan
- Prior art keywords
- asphalt
- powder particles
- water
- preparation
- give
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: An asphalt solution resulting from dissolution of asphalt in a mineral oil is mixed with powder particles heated to give said powder particles having water- repellent asphalt film on the surface, thus being used in waterproofing works.
CONSTITUTION: Asphalt is dissolved in a mineral oil, preferably consisting of the fraction boing at from 180W400°C to prepare an asphalt solution at first. The asphalt solution is mixed with powder particles, e.g., river sand, heated to 180W 200°C to give the objective water-repellent powder particles having asphalt coating layers on the surface. The amount of the asphalt used is 2wt% or less based on the powder particles.
EFFECT: The amount of the asphalt required can be lessened and waste oil may be used as the solvent.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1619979A JPS55110157A (en) | 1979-02-16 | 1979-02-16 | Water-repelling powder particles and their preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1619979A JPS55110157A (en) | 1979-02-16 | 1979-02-16 | Water-repelling powder particles and their preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55110157A true JPS55110157A (en) | 1980-08-25 |
JPS5652944B2 JPS5652944B2 (en) | 1981-12-15 |
Family
ID=11909834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1619979A Granted JPS55110157A (en) | 1979-02-16 | 1979-02-16 | Water-repelling powder particles and their preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55110157A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS581245U (en) * | 1981-06-29 | 1983-01-06 | セイレイ工業株式会社 | Paddy outlet shutter device in paddy tank of combine harvester etc. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139129A (en) * | 1976-05-17 | 1977-11-19 | Michio Jinno | New asphalt mixture |
-
1979
- 1979-02-16 JP JP1619979A patent/JPS55110157A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139129A (en) * | 1976-05-17 | 1977-11-19 | Michio Jinno | New asphalt mixture |
Also Published As
Publication number | Publication date |
---|---|
JPS5652944B2 (en) | 1981-12-15 |
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