JPS55107721A - Water-base quenching agent - Google Patents
Water-base quenching agentInfo
- Publication number
- JPS55107721A JPS55107721A JP1587579A JP1587579A JPS55107721A JP S55107721 A JPS55107721 A JP S55107721A JP 1587579 A JP1587579 A JP 1587579A JP 1587579 A JP1587579 A JP 1587579A JP S55107721 A JPS55107721 A JP S55107721A
- Authority
- JP
- Japan
- Prior art keywords
- water
- quenching agent
- carbon atoms
- low
- quenching
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE:To prevent the occurrence of quenching crack and quenching strain by making possible high-speed hardening by the water-base quenching agent which is obtainable by dissolving or dispersing the low polymer or low copolymer of butadiene containing the specific basic and acidic groups in water. CONSTITUTION:The low polymer of butadiene of 300-10000 in number average molecular weight which contains the basic groups and acidic groups expressed by formula I (R1 is H, halogen or C1-8, R2, R3 and R4 are the organic residual groups of mutually the same or different C1-20 and X denotes H or bond and in the case of bond, the carbon atoms attaching to R1 and the carbon atoms attaching adjoining H to said carbon atoms may both form part of the main chain) at a ratio 0.05- 0.5mol per 100g of the polymer or its low copolymer containing 50wt% or less of its copolymer component is dissolved or dispersed in water at a concentration of 30wt% or less. The resultant water-base quenching agent is stable over a wide range of pH and the washing of the quenching agent is extremely easy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1587579A JPS55107721A (en) | 1979-02-14 | 1979-02-14 | Water-base quenching agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1587579A JPS55107721A (en) | 1979-02-14 | 1979-02-14 | Water-base quenching agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55107721A true JPS55107721A (en) | 1980-08-19 |
| JPS6260444B2 JPS6260444B2 (en) | 1987-12-16 |
Family
ID=11900956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1587579A Granted JPS55107721A (en) | 1979-02-14 | 1979-02-14 | Water-base quenching agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55107721A (en) |
-
1979
- 1979-02-14 JP JP1587579A patent/JPS55107721A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6260444B2 (en) | 1987-12-16 |
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