DE2730623C3 - - Google Patents
Info
- Publication number
- DE2730623C3 DE2730623C3 DE2730623C3 DE 2730623 C3 DE2730623 C3 DE 2730623C3 DE 2730623 C3 DE2730623 C3 DE 2730623C3
- Authority
- DE
- Germany
- Prior art keywords
- fibers
- acid
- approx
- alkaline
- treated
- 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
- 239000000835 fiber Substances 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 42
- 102000008186 Collagen Human genes 0.000 claims description 37
- 108010035532 Collagen Proteins 0.000 claims description 37
- 229960005188 collagen Drugs 0.000 claims description 37
- 229920001436 collagen Polymers 0.000 claims description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 239000011780 sodium chloride Substances 0.000 claims description 15
- 210000003491 Skin Anatomy 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 230000002378 acidificating Effects 0.000 claims description 9
- 150000001408 amides Chemical class 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000004014 plasticizer Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 230000029087 digestion Effects 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 4
- 230000004059 degradation Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 230000002522 swelling Effects 0.000 claims description 4
- 210000002435 Tendons Anatomy 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 3
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 241000283690 Bos taurus Species 0.000 claims description 2
- 235000019441 ethanol Nutrition 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N Oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 239000005642 Oleic acid Substances 0.000 claims 1
- 210000003800 Pharynx Anatomy 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 235000019253 formic acid Nutrition 0.000 claims 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims 1
- 239000004310 lactic acid Substances 0.000 claims 1
- 235000014655 lactic acid Nutrition 0.000 claims 1
- 238000004537 pulping Methods 0.000 claims 1
- 238000005185 salting out Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 235000002639 sodium chloride Nutrition 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000002994 raw material Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 239000010985 leather Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- 239000002657 fibrous material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 206010000496 Acne Diseases 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 230000001264 neutralization Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000035928 Absorption time Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L Calcium hydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M NaHCO3 Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 210000003739 Neck Anatomy 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 description 2
- YOQDYZUWIQVZSF-UHFFFAOYSA-N sodium borohydride Substances [BH4-].[Na+] YOQDYZUWIQVZSF-UHFFFAOYSA-N 0.000 description 2
- ODGROJYWQXFQOZ-UHFFFAOYSA-N sodium;boron(1-) Chemical compound [B-].[Na+] ODGROJYWQXFQOZ-UHFFFAOYSA-N 0.000 description 2
- 210000002808 Connective Tissue Anatomy 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- 230000036740 Metabolism Effects 0.000 description 1
- 102000016611 Proteoglycans Human genes 0.000 description 1
- 108010067787 Proteoglycans Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000625014 Vir Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001476 alcoholic Effects 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000000890 antigenic Effects 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 229940079593 drugs Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002255 enzymatic Effects 0.000 description 1
- 231100001004 fissure Toxicity 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000035786 metabolism Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Family
ID=
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