DE235592C - - Google Patents
Info
- Publication number
- DE235592C DE235592C DENDAT235592D DE235592DA DE235592C DE 235592 C DE235592 C DE 235592C DE NDAT235592 D DENDAT235592 D DE NDAT235592D DE 235592D A DE235592D A DE 235592DA DE 235592 C DE235592 C DE 235592C
- Authority
- DE
- Germany
- Prior art keywords
- hours
- leather
- chrome
- soda solution
- percent
- 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.)
- Active
Links
- 239000010985 leather Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 150000001844 chromium Chemical class 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000003513 alkali Substances 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09H—PREPARATION OF GLUE OR GELATINE
- C09H1/00—Pretreatment of collagen-containing raw materials for the manufacture of glue
- C09H1/04—Pretreatment of collagen-containing raw materials for the manufacture of glue of hides, hoofs, or leather scrap
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE235592C true DE235592C (enrdf_load_stackoverflow) |
Family
ID=495350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT235592D Active DE235592C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE235592C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT235592D patent/DE235592C/de active Active
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