CS202049B2 - Process for the stabilization of viscosity of polyvinylacetal resins - Google Patents

Process for the stabilization of viscosity of polyvinylacetal resins Download PDF

Info

Publication number: CS202049B2
Authority: CS; Czechoslovakia
Prior art keywords: resin; viscosity; buffer; polyvinyl acetal; citrate
Prior art date: 1975-08-13

Application number

CS765263A

Other languages

Czech (cs)

English (en)

Inventor

George E Mont

James A Snelgrove

Original Assignee

Monsanto Co

Priority date (The priority date 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 date listed.)

1975-08-13

Filing date

1976-08-12

Publication date

1980-12-31

1975-08-13 Priority claimed from US05/604,400 external-priority patent/US4027069A/en

1975-08-13 Priority claimed from US05/604,271 external-priority patent/US4017444A/en

1976-08-12 Application filed by Monsanto Co filed Critical Monsanto Co

1980-12-31 Publication of CS202049B2 publication Critical patent/CS202049B2/cs

Links

229920005989 resin Polymers 0.000 title claims abstract description 78
239000011347 resin Substances 0.000 title claims abstract description 78
238000000034 method Methods 0.000 title claims description 13
230000006641 stabilisation Effects 0.000 title description 2
238000011105 stabilization Methods 0.000 title description 2
DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims abstract description 26
239000011354 acetal resin Substances 0.000 claims abstract description 24
229920006324 polyoxymethylene Polymers 0.000 claims abstract description 24
229920002554 vinyl polymer Polymers 0.000 claims description 30
239000000872 buffer Substances 0.000 claims description 27
229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 21
229910019142 PO4 Inorganic materials 0.000 claims description 18
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 17
239000010452 phosphate Substances 0.000 claims description 17
230000003584 silencer Effects 0.000 claims description 14
KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 12
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
239000013522 chelant Substances 0.000 claims description 6
229910052751 metal Inorganic materials 0.000 claims description 6
239000002184 metal Substances 0.000 claims description 6
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 5
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
239000007864 aqueous solution Substances 0.000 claims description 5
239000003446 ligand Substances 0.000 claims description 5
230000000087 stabilizing effect Effects 0.000 claims description 5
239000008363 phosphate buffer Substances 0.000 claims description 4
238000012545 processing Methods 0.000 claims description 4
XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 3
GHCZTIFQWKKGSB-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;phosphoric acid Chemical compound OP(O)(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O GHCZTIFQWKKGSB-UHFFFAOYSA-N 0.000 claims description 2
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
229910017604 nitric acid Inorganic materials 0.000 claims description 2
CBECDWUDYQOTSW-UHFFFAOYSA-N 2-ethylbut-3-enal Chemical compound CCC(C=C)C=O CBECDWUDYQOTSW-UHFFFAOYSA-N 0.000 claims 1
JTHNLKXLWOXOQK-UHFFFAOYSA-N n-propyl vinyl ketone Natural products CCCC(=O)C=C JTHNLKXLWOXOQK-UHFFFAOYSA-N 0.000 claims 1
239000005336 safety glass Substances 0.000 abstract description 17
239000011521 glass Substances 0.000 abstract description 15
-1 polyethylene terephthalate Polymers 0.000 abstract description 8
229920000139 polyethylene terephthalate Polymers 0.000 abstract description 4
239000005020 polyethylene terephthalate Substances 0.000 abstract description 4
239000004814 polyurethane Substances 0.000 abstract description 4
239000007853 buffer solution Substances 0.000 abstract description 3
229920002301 cellulose acetate Polymers 0.000 abstract description 2
229920003229 poly(methyl methacrylate) Polymers 0.000 abstract description 2
239000004417 polycarbonate Substances 0.000 abstract description 2
229920000515 polycarbonate Polymers 0.000 abstract description 2
239000004926 polymethyl methacrylate Substances 0.000 abstract description 2
229920002635 polyurethane Polymers 0.000 abstract description 2
229920000915 polyvinyl chloride Polymers 0.000 abstract description 2
239000004800 polyvinyl chloride Substances 0.000 abstract description 2
229920002620 polyvinyl fluoride Polymers 0.000 abstract description 2
239000002738 chelating agent Substances 0.000 abstract 1
229920001296 polysiloxane Polymers 0.000 abstract 1
229920000131 polyvinylidene Polymers 0.000 abstract 1
238000012360 testing method Methods 0.000 description 18
235000021317 phosphate Nutrition 0.000 description 17
239000004014 plasticizer Substances 0.000 description 16
239000000203 mixture Substances 0.000 description 12
150000001241 acetals Chemical class 0.000 description 10
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
239000011229 interlayer Substances 0.000 description 9
230000003647 oxidation Effects 0.000 description 9
238000007254 oxidation reaction Methods 0.000 description 9
239000010410 layer Substances 0.000 description 8
229920003023 plastic Polymers 0.000 description 8
239000004033 plastic Substances 0.000 description 8
230000002238 attenuated effect Effects 0.000 description 7
238000004383 yellowing Methods 0.000 description 7
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
239000000523 sample Substances 0.000 description 5
239000011550 stock solution Substances 0.000 description 5
239000002699 waste material Substances 0.000 description 5
ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 4
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
239000006096 absorbing agent Substances 0.000 description 4
230000015556 catabolic process Effects 0.000 description 4
235000015165 citric acid Nutrition 0.000 description 4
238000006731 degradation reaction Methods 0.000 description 4
CEYULKASIQJZGP-UHFFFAOYSA-L disodium;2-(carboxymethyl)-2-hydroxybutanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O CEYULKASIQJZGP-UHFFFAOYSA-L 0.000 description 4
HKIOYBQGHSTUDB-UHFFFAOYSA-N folpet Chemical compound C1=CC=C2C(=O)N(SC(Cl)(Cl)Cl)C(=O)C2=C1 HKIOYBQGHSTUDB-UHFFFAOYSA-N 0.000 description 4
OJXOOFXUHZAXLO-UHFFFAOYSA-M magnesium;1-bromo-3-methanidylbenzene;bromide Chemical compound [Mg+2].[Br-].[CH2-]C1=CC=CC(Br)=C1 OJXOOFXUHZAXLO-UHFFFAOYSA-M 0.000 description 4
HWPKGOGLCKPRLZ-UHFFFAOYSA-M monosodium citrate Chemical compound [Na+].OC(=O)CC(O)(C([O-])=O)CC(O)=O HWPKGOGLCKPRLZ-UHFFFAOYSA-M 0.000 description 4
239000002524 monosodium citrate Substances 0.000 description 4
235000018342 monosodium citrate Nutrition 0.000 description 4
229960003975 potassium Drugs 0.000 description 4
229910052700 potassium Inorganic materials 0.000 description 4
239000011591 potassium Substances 0.000 description 4
SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 4
239000000243 solution Substances 0.000 description 4
OXQGTIUCKGYOAA-UHFFFAOYSA-N 2-Ethylbutanoic acid Chemical compound CCC(CC)C(O)=O OXQGTIUCKGYOAA-UHFFFAOYSA-N 0.000 description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
238000000576 coating method Methods 0.000 description 3
238000001125 extrusion Methods 0.000 description 3
238000005259 measurement Methods 0.000 description 3
239000002985 plastic film Substances 0.000 description 3
229920006255 plastic film Polymers 0.000 description 3
230000001681 protective effect Effects 0.000 description 3
239000001509 sodium citrate Substances 0.000 description 3
NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 3
235000011083 sodium citrates Nutrition 0.000 description 3
238000004448 titration Methods 0.000 description 3
OMPIYDSYGYKWSG-UHFFFAOYSA-N 2-(2-ethoxy-2-oxoethyl)-2-hydroxybutanedioic acid Chemical compound CCOC(=O)CC(O)(C(O)=O)CC(O)=O OMPIYDSYGYKWSG-UHFFFAOYSA-N 0.000 description 2
JEYLQCXBYFQJRO-UHFFFAOYSA-N 2-[2-[2-(2-ethylbutanoyloxy)ethoxy]ethoxy]ethyl 2-ethylbutanoate Chemical compound CCC(CC)C(=O)OCCOCCOCCOC(=O)C(CC)CC JEYLQCXBYFQJRO-UHFFFAOYSA-N 0.000 description 2
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
239000004372 Polyvinyl alcohol Substances 0.000 description 2
239000002253 acid Substances 0.000 description 2
230000002411 adverse Effects 0.000 description 2
230000032683 aging Effects 0.000 description 2
230000002902 bimodal effect Effects 0.000 description 2
150000001642 boronic acid derivatives Chemical class 0.000 description 2
230000003139 buffering effect Effects 0.000 description 2
239000001913 cellulose Substances 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
239000007979 citrate buffer Substances 0.000 description 2
150000001860 citric acid derivatives Chemical class 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
239000013068 control sample Substances 0.000 description 2
238000011161 development Methods 0.000 description 2
230000018109 developmental process Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
235000019441 ethanol Nutrition 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
230000003287 optical effect Effects 0.000 description 2
239000006174 pH buffer Substances 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
229920002451 polyvinyl alcohol Polymers 0.000 description 2
235000011056 potassium acetate Nutrition 0.000 description 2
230000002829 reductive effect Effects 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
230000035939 shock Effects 0.000 description 2
239000011734 sodium Substances 0.000 description 2
238000010998 test method Methods 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
239000004416 thermosoftening plastic Substances 0.000 description 2
ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
101100070104 Mus musculus Hacl1 gene Proteins 0.000 description 1
229920001328 Polyvinylidene chloride Polymers 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
238000005299 abrasion Methods 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
239000002318 adhesion promoter Substances 0.000 description 1
229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
229910000316 alkaline earth metal phosphate Inorganic materials 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000003963 antioxidant agent Substances 0.000 description 1
239000012062 aqueous buffer Substances 0.000 description 1
239000002585 base Substances 0.000 description 1
UDSAIICHUKSCKT-UHFFFAOYSA-N bromophenol blue Chemical compound C1=C(Br)C(O)=C(Br)C=C1C1(C=2C=C(Br)C(O)=C(Br)C=2)C2=CC=CC=C2S(=O)(=O)O1 UDSAIICHUKSCKT-UHFFFAOYSA-N 0.000 description 1
239000006172 buffering agent Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000013461 design Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
235000011180 diphosphates Nutrition 0.000 description 1
ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
235000019797 dipotassium phosphate Nutrition 0.000 description 1
UZLGHNUASUZUOR-UHFFFAOYSA-L dipotassium;3-carboxy-3-hydroxypentanedioate Chemical compound [K+].[K+].OC(=O)CC(O)(C([O-])=O)CC([O-])=O UZLGHNUASUZUOR-UHFFFAOYSA-L 0.000 description 1
CVOQYKPWIVSMDC-UHFFFAOYSA-L dipotassium;butanedioate Chemical compound [K+].[K+].[O-]C(=O)CCC([O-])=O CVOQYKPWIVSMDC-UHFFFAOYSA-L 0.000 description 1
DXMRKRXRMGYFDG-UHFFFAOYSA-N dipotassium;hydrogen borate Chemical compound [K+].[K+].OB([O-])[O-] DXMRKRXRMGYFDG-UHFFFAOYSA-N 0.000 description 1
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
FVJFRFUSHCIRKP-UHFFFAOYSA-N disodium;hydrogen borate Chemical compound [Na+].[Na+].OB([O-])[O-] FVJFRFUSHCIRKP-UHFFFAOYSA-N 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000000975 dye Substances 0.000 description 1
125000004185 ester group Chemical group 0.000 description 1
KUGSJJNCCNSRMM-UHFFFAOYSA-N ethoxyboronic acid Chemical compound CCOB(O)O KUGSJJNCCNSRMM-UHFFFAOYSA-N 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
239000012467 final product Substances 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
238000007689 inspection Methods 0.000 description 1
238000010030 laminating Methods 0.000 description 1
239000004611 light stabiliser Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
BDRTVPCFKSUHCJ-UHFFFAOYSA-N molecular hydrogen;potassium Chemical compound [K].[H][H] BDRTVPCFKSUHCJ-UHFFFAOYSA-N 0.000 description 1
235000016337 monopotassium tartrate Nutrition 0.000 description 1
229910000403 monosodium phosphate Inorganic materials 0.000 description 1
235000019799 monosodium phosphate Nutrition 0.000 description 1
YAFOVCNAQTZDQB-UHFFFAOYSA-N octyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC)OC1=CC=CC=C1 YAFOVCNAQTZDQB-UHFFFAOYSA-N 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
239000000049 pigment Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
150000007519 polyprotic acids Polymers 0.000 description 1
229920001290 polyvinyl ester Polymers 0.000 description 1
239000005033 polyvinylidene chloride Substances 0.000 description 1
KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 description 1
239000001508 potassium citrate Substances 0.000 description 1
229960002635 potassium citrate Drugs 0.000 description 1
QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
235000011082 potassium citrates Nutrition 0.000 description 1
229940086065 potassium hydrogentartrate Drugs 0.000 description 1
FRMWBRPWYBNAFB-UHFFFAOYSA-M potassium salicylate Chemical compound [K+].OC1=CC=CC=C1C([O-])=O FRMWBRPWYBNAFB-UHFFFAOYSA-M 0.000 description 1
229960003629 potassium salicylate Drugs 0.000 description 1
PQPORJFLTGYPEU-UHFFFAOYSA-M potassium;2-sulfooxybenzoate Chemical compound [K+].OS(=O)(=O)OC1=CC=CC=C1C([O-])=O PQPORJFLTGYPEU-UHFFFAOYSA-M 0.000 description 1
PWARIDJUMWYDTK-UHFFFAOYSA-M potassium;butanedioate;hydron Chemical compound [K+].OC(=O)CCC([O-])=O PWARIDJUMWYDTK-UHFFFAOYSA-M 0.000 description 1
MIVGERVTUZCXDG-UHFFFAOYSA-K potassium;disodium;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Na+].[Na+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O MIVGERVTUZCXDG-UHFFFAOYSA-K 0.000 description 1
GANDVAJEIJXBQJ-UHFFFAOYSA-M potassium;hydron;2-hydroxy-2-oxoacetate Chemical compound [K+].OC(=O)C(O)=O.OC(=O)C([O-])=O GANDVAJEIJXBQJ-UHFFFAOYSA-M 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000011253 protective coating Substances 0.000 description 1
239000011241 protective layer Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000012216 screening Methods 0.000 description 1
229940116351 sebacate Drugs 0.000 description 1
CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
WBQSJYNAUANADO-UHFFFAOYSA-N sodium;dihydrogen borate Chemical compound [Na+].OB(O)[O-] WBQSJYNAUANADO-UHFFFAOYSA-N 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
229940086735 succinate Drugs 0.000 description 1
KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
238000002834 transmittance Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2571/00—Protective equipment

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Joining Of Glass To Other Materials (AREA)
Compositions Of Macromolecular Compounds (AREA)
Laminated Bodies (AREA)

CS765263A 1975-08-13 1976-08-12 Process for the stabilization of viscosity of polyvinylacetal resins CS202049B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/604,400 US4027069A (en)	1975-08-13	1975-08-13	Laminated safety glass prepared from buffered acetal
US05/604,271 US4017444A (en)	1975-08-13	1975-08-13	Process for stabilizing the viscosity of polyvinyl acetals using a buffer

Publications (1)

Publication Number	Publication Date
CS202049B2 true CS202049B2 (en)	1980-12-31

Family

ID=27084626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS765263A CS202049B2 (en)	1975-08-13	1976-08-12	Process for the stabilization of viscosity of polyvinylacetal resins

Country Status (8)

Country	Link
JP (1)	JPS6016981B2 (it)
CA (1)	CA1073575A (it)
CS (1)	CS202049B2 (it)
DE (1)	DE2636336A1 (it)
FR (1)	FR2320967A1 (it)
GB (1)	GB1517069A (it)
IT (1)	IT1065926B (it)
MX (1)	MX144895A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4128694A (en) *	1977-05-09	1978-12-05	Monsanto Company	Laminates comprising a plasticized interlayer
US4456639A (en) *	1982-06-07	1984-06-26	Sealtran Corporation	Laminating film of thermoset polyester resin with external layer of embossable thermoplastic resin
US4937147A (en) *	1989-04-10	1990-06-26	Monsanto Company	Transparent polymeric laminate
BR9001672A (pt) *	1989-04-10	1991-05-14	Monsanto Co	Laminado polimerico,processo para ligacao inseparavel de camadas de poliuretano e polivinil butiral parcial plastificado e processo para revestimento e ligacao inseparavel de uma camada de olivinil butiral a poliuretano
US20130273378A1 (en) *	2010-12-28	2013-10-17	Sekisui Chemical Co., Ltd.	Interlayer for laminated glass and laminated glass

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1205353A (fr) *	1959-06-25	1960-02-02	Du Pont	Stabilisation des colorants contre la photodégradation
US3298898A (en) *	1962-03-06	1967-01-17	Du Pont	Solar infrared absorbers
US3556890A (en) *	1967-11-16	1971-01-19	Monsanto Co	Process for production of interlayer safety-glass
GB1451933A (en) *	1973-09-17	1976-10-06	Glaverbel	Fire resistant panels

1976
- 1976-08-12 CS CS765263A patent/CS202049B2/cs unknown
- 1976-08-12 CA CA258,946A patent/CA1073575A/en not_active Expired
- 1976-08-12 DE DE19762636336 patent/DE2636336A1/de not_active Withdrawn
- 1976-08-12 FR FR7624685A patent/FR2320967A1/fr active Granted
- 1976-08-12 GB GB33606/76A patent/GB1517069A/en not_active Expired
- 1976-08-12 MX MX165874A patent/MX144895A/es unknown
- 1976-08-12 JP JP51095465A patent/JPS6016981B2/ja not_active Expired
- 1976-08-12 IT IT26255/76A patent/IT1065926B/it active

Also Published As

Publication number	Publication date
MX144895A (es)	1981-12-01
GB1517069A (en)	1978-07-12
DE2636336A1 (de)	1977-02-24
JPS6016981B2 (ja)	1985-04-30
CA1073575A (en)	1980-03-11
JPS5223151A (en)	1977-02-21
FR2320967B1 (it)	1980-10-03
FR2320967A1 (fr)	1977-03-11
IT1065926B (it)	1985-03-04

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