DE2402700A1 - Verfahren zur herstellung niedrigviskoser und viskositaetsstabiler, stickstoffhaltiger staerkeprodukte - Google Patents
Verfahren zur herstellung niedrigviskoser und viskositaetsstabiler, stickstoffhaltiger staerkeprodukteInfo
- Publication number
- DE2402700A1 DE2402700A1 DE19742402700 DE2402700A DE2402700A1 DE 2402700 A1 DE2402700 A1 DE 2402700A1 DE 19742402700 DE19742402700 DE 19742402700 DE 2402700 A DE2402700 A DE 2402700A DE 2402700 A1 DE2402700 A1 DE 2402700A1
- Authority
- DE
- Germany
- Prior art keywords
- starch
- parts
- weight
- viscosity
- cyanamide
- 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.)
- Pending
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 52
- 229920002472 Starch Polymers 0.000 title claims description 31
- 235000019698 starch Nutrition 0.000 title claims description 31
- 239000008107 starch Substances 0.000 title claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 title claims description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 41
- 239000007864 aqueous solution Substances 0.000 claims description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 21
- 239000000047 product Substances 0.000 claims description 18
- 229920000881 Modified starch Polymers 0.000 claims description 17
- 235000019426 modified starch Nutrition 0.000 claims description 17
- 239000011541 reaction mixture Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 239000007795 chemical reaction product Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 239000007900 aqueous suspension Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- 239000000243 solution Substances 0.000 description 31
- 238000001816 cooling Methods 0.000 description 12
- 235000011121 sodium hydroxide Nutrition 0.000 description 12
- 229920001592 potato starch Polymers 0.000 description 10
- 239000004368 Modified starch Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 229920002261 Corn starch Polymers 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000011111 cardboard Substances 0.000 description 3
- 239000008120 corn starch Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- SKZKKFZAGNVIMN-UHFFFAOYSA-N Salicilamide Chemical compound NC(=O)C1=CC=CC=C1O SKZKKFZAGNVIMN-UHFFFAOYSA-N 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- JWEKFMCYIRVOQZ-UHFFFAOYSA-N cyanamide;sodium Chemical compound [Na].NC#N JWEKFMCYIRVOQZ-UHFFFAOYSA-N 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- -1 methylol compounds Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical compound [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742402700 DE2402700A1 (de) | 1974-01-21 | 1974-01-21 | Verfahren zur herstellung niedrigviskoser und viskositaetsstabiler, stickstoffhaltiger staerkeprodukte |
| NL7414858A NL160572C (nl) | 1974-01-21 | 1974-11-14 | Werkwijze voor de bereiding van een stikstof bevattend zetmeelderivaat. |
| IT7081374A IT1027227B (it) | 1974-01-21 | 1974-12-31 | Procedimento per la preparazione di prodotti amidacei azotati aventi viscosita bassa e stabile |
| FR7501257A FR2258399A1 (en) | 1974-01-21 | 1975-01-16 | Starch prods contg nitrogen with low viscosity and prodn - by treating starch with cyanamide, for surface sizing of paper etc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742402700 DE2402700A1 (de) | 1974-01-21 | 1974-01-21 | Verfahren zur herstellung niedrigviskoser und viskositaetsstabiler, stickstoffhaltiger staerkeprodukte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2402700A1 true DE2402700A1 (de) | 1975-07-24 |
Family
ID=5905275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742402700 Pending DE2402700A1 (de) | 1974-01-21 | 1974-01-21 | Verfahren zur herstellung niedrigviskoser und viskositaetsstabiler, stickstoffhaltiger staerkeprodukte |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2402700A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2258399A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1027227B (enrdf_load_stackoverflow) |
| NL (1) | NL160572C (enrdf_load_stackoverflow) |
-
1974
- 1974-01-21 DE DE19742402700 patent/DE2402700A1/de active Pending
- 1974-11-14 NL NL7414858A patent/NL160572C/xx not_active IP Right Cessation
- 1974-12-31 IT IT7081374A patent/IT1027227B/it active
-
1975
- 1975-01-16 FR FR7501257A patent/FR2258399A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1027227B (it) | 1978-11-20 |
| FR2258399B1 (enrdf_load_stackoverflow) | 1978-03-10 |
| NL160572B (nl) | 1979-06-15 |
| FR2258399A1 (en) | 1975-08-18 |
| NL7414858A (nl) | 1975-07-23 |
| NL160572C (nl) | 1979-11-15 |
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