DE1495737C - Process for the preparation of crosslinkable vinyl chloride polymers - Google Patents
Process for the preparation of crosslinkable vinyl chloride polymersInfo
- Publication number
- DE1495737C DE1495737C DE1495737C DE 1495737 C DE1495737 C DE 1495737C DE 1495737 C DE1495737 C DE 1495737C
- Authority
- DE
- Germany
- Prior art keywords
- vinyl
- ethylene
- graft
- vinyl chloride
- copolymer
- 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.)
- Expired
Links
- BZHJMEDXRYGGRV-UHFFFAOYSA-N vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 21
- 229920000642 polymer Polymers 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 5
- 238000002360 preparation method Methods 0.000 title claims 2
- 229920001567 Vinyl ester Polymers 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 12
- XTXRWKRVRITETP-UHFFFAOYSA-N vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 11
- 239000005977 Ethylene Substances 0.000 claims description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 9
- 229920000578 graft polymer Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 125000004185 ester group Chemical group 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- VOLSCWDWGMWXGO-UHFFFAOYSA-N cyclobuten-1-yl acetate Chemical compound CC(=O)OC1=CCC1 VOLSCWDWGMWXGO-UHFFFAOYSA-N 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 125000004432 carbon atoms Chemical group C* 0.000 claims 3
- 239000000839 emulsion Substances 0.000 claims 2
- 235000019589 hardness Nutrition 0.000 claims 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims 2
- 239000003999 initiator Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000004342 Benzoyl peroxide Substances 0.000 claims 1
- 229920000126 Latex Polymers 0.000 claims 1
- 239000012190 activator Substances 0.000 claims 1
- 235000019400 benzoyl peroxide Nutrition 0.000 claims 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 239000002270 dispersing agent Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000004815 dispersion polymerization Substances 0.000 claims 1
- 238000007720 emulsion polymerization reaction Methods 0.000 claims 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 claims 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 claims 1
- 229920001038 ethylene copolymer Polymers 0.000 claims 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims 1
- 238000010559 graft polymerization reaction Methods 0.000 claims 1
- 229920001519 homopolymer Polymers 0.000 claims 1
- 239000004816 latex Substances 0.000 claims 1
- 125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 150000001451 organic peroxides Chemical class 0.000 claims 1
- 150000002978 peroxides Chemical class 0.000 claims 1
- 125000005634 peroxydicarbonate group Chemical group 0.000 claims 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims 1
- 239000003505 polymerization initiator Substances 0.000 claims 1
- 239000003638 reducing agent Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N t-BuOH Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims 1
- KOZCZZVUFDCZGG-UHFFFAOYSA-N vinyl benzoate Chemical compound C=COC(=O)C1=CC=CC=C1 KOZCZZVUFDCZGG-UHFFFAOYSA-N 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 229920000609 methyl cellulose Polymers 0.000 description 3
- 239000001923 methylcellulose Substances 0.000 description 3
- 235000010981 methylcellulose Nutrition 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N Cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- GWBVNZWGZJJONZ-UHFFFAOYSA-N 2,2-dimethyl-3-oxobutanenitrile Chemical compound CC(=O)C(C)(C)C#N GWBVNZWGZJJONZ-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 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
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- -1 methyl- Chemical group 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Description
3 43 4
Die Pfropfcopolymerisate von Vinylchlorid auf acetatgehalt von 45%. dessen Acrylgruppen zu 50% teilverseifte Äthylen-Vinylester-Copolymerisate stellen hydrolytisch abgespalten wurden, 1350 Teilen Vinylfarblose feinperlige Produkte dar, die sich leicht lösen, chlorid, 3300 Teilen Wasser, 20 Teilen Methylcellulose beispielsweise in Cyclohexanon, Tetrahydroturan oder und 3 Teilen Azodiisobuttersäurenitril beschickt. Man Dioxan. Es lassen sich durch Extrusion.Verspritzen oder 5 rührt 5 Stunden bei Raumtemperatur und heizt Kalandern Formkörper daraus herstellen, die sich von anschließend unter kräftigem Rühren 15 Stunden Polyvinylchlorid bezüglich ihrer Verarbeitbarkeit kaum auf 60° C.The graft copolymers of vinyl chloride to an acetate content of 45%. 50% of its acrylic groups partially saponified ethylene-vinyl ester copolymers are hydrolytically split off, 1350 parts of colorless vinyl finely pearled products that dissolve easily, chloride, 3300 parts of water, 20 parts of methyl cellulose charged for example in cyclohexanone, tetrahydroturan or and 3 parts of azodiisobutyronitrile. Man Dioxane. It can be extruded, sprayed or stirred for 5 hours at room temperature and heated Calendering produce moldings from it, which are then 15 hours with vigorous stirring Polyvinyl chloride hardly reaches 60 ° C in terms of its processability.
unterscheiden. Besonderes Interesse verdienen die Man erhält 1110 Teile eines farblosen Perlpoly-differentiate. The 1110 parts of a colorless pearl poly-
Typen mit einem Gehalt an Äthylen-Vinylester- merisats, das sich zu schlagfesten Formkörpern ver-'
Hydrolysat von etwa 25 bis 55%, die sich wie weich- io pressen oder verspritzen, läßt. Das Produkt enthält
gemachte Polyvinylchloride verhalten, sich jedoch ohne 13,5% hydrolysiertes Äthylen-Vinylacetat-Copoly-Weichmacher
verarbeiten und anwenden lassen. merisat.
Infolge dieser weichmacherfreien Verarbeitungsmög- Festiekeit 279Types with a content of ethylene vinyl ester merisate which can be converted into impact-resistant moldings of about 25 to 55% hydrolyzate, which can be pressed or injected like soft. The product contains made polyvinyl chlorides in a cautious manner, but can be processed and used without 13.5% hydrolyzed ethylene-vinyl acetate-copoly plasticizer. merisat.
As a result of this plasticizer-free processing option, strength 279
lichkeit kommen diese Produkte besonders für Spezial- · Bruchdehnune 96 °/These products are particularly suitable for special · elongation at break 96 ° /
gebiete in Betracht, wo physiologisch unbedenkliche 15 Grenbiegespannung''.'.'.'.'.'.'. 436 °consider where physiologically harmless 15 limit bending stress ''.'.'.'.'.'.'. 436 °
Stoffe eingesetzt werden müssen. Schlagzähigkeit nicht gebrochenSubstances must be used. Impact strength not broken
Es können auch Füllstoffe, Pigmente oder zusatzliche Kerbschlagzähigkeit 15 2 (—5° · 5 8)Fillers, pigments or additional notched impact strength 15 2 (-5 ° · 5 8)
Weichmacher eingearbeitet werden ohne daß die Kugeldruckhärte ...'.'.'.'.'.'.'. 720/680Plasticizers are incorporated without affecting the ball indentation hardness ... '.'. '.'. '.'. '. 720/680
Vernetzung dadurch starker beeinträchtigt wird.Networking is thereby more severely impaired.
Die freien ■ Hydroxylgruppen der nach dem vor- a° B e i s d i e 1 4The free ■ hydroxyl groups according to the above a ° B e i s d i e 1 4
liegenden Verfahren hergestellten Pfropfcopolymerisate sind Vernetzungsreaktionen mit bi- oder poly- Ein Rührautoklav wird mit 800 Teilen eines ursprüngfunktionellen, mit OH-Gruppen reagierenden Agenzien lieh 30% Vinylacetat enthaltenden Copolymerisates zugänglich. . aus Äthylen und Vinylacetat, das zu 30% verseift R · j ι 1 25 wurde, 2000 Teilen Wasser, 1200 Teilen Vinylchlorid, p 40 Teilen Methylcellulose und 1 Teil *,*'-Azodiiso-The graft copolymers produced in the process are crosslinking reactions with bi- or poly- A stirred autoclave with 800 parts of an originally functional, OH-reactive agents borrowed 30% vinyl acetate-containing copolymer accessible. . from ethylene and vinyl acetate, which was saponified to 30% R · j ι 1 25, 2000 parts of water, 1200 parts of vinyl chloride, p 40 parts of methyl cellulose and 1 part *, * '- Azodiiso-
In einem Autoklav werden 600 Teile eines Copoly- buttersäurenitril beschickt. Man rührt kräftig bei merisates aus Äthylen und Vinylacetat, mit einem Raumtemperatur und heizt nach 6 bis 8 Stunden auf Vinylacetätgehalt von etwa 45%. dessen Estergruppen 60 bis 62° C, um die Polymerisation einzuleiten. Nach zu 61% hydrolytisch entfernt wurden, 900 Teile 3° 15stündigem kräftigem Rühren bei dieser Temperatur Vinylchlorid, 3300 Teile Wasser, 20 Teile Methyl- ist die Polymerisation beendet. Man erhält 1597 Teile cellulose und 3 Teile a,«'-Azodiisobuttersäuredinitril eines feindispersen Perlpolymerisates, das sich aus 5 Stunden lang kräftig bei Raumtemperatur gerührt. 50,1% teilverseiftem Pfropfsubstrat und 49,9% Anschließend polymerisiert man 15 Stunden bei 6O0C. aufgepfropftem Vinylchloridpolymerisat zusammen-600 parts of a copolybutyronitrile are charged in an autoclave. It is stirred vigorously with merisates of ethylene and vinyl acetate at room temperature and after 6 to 8 hours the mixture is heated to a vinyl acetate content of about 45%. its ester groups 60 to 62 ° C to initiate the polymerization. After 61% have been removed hydrolytically, 900 parts of vinyl chloride, 3300 parts of water, 20 parts of methyl- and 20 parts of methyl-, the polymerization is complete at this temperature for 3 ° 15 hours of vigorous stirring at this temperature. 1597 parts of cellulose and 3 parts of azodiisobutyric acid dinitrile of a finely dispersed bead polymer, which is vigorously stirred at room temperature for 5 hours, are obtained. 50.1% partially saponified graft substrate and 49.9% then polymerized for 15 hours at 6O 0 C. grafted vinyl chloride polymer together.
Man erhält 1120 Teile eines farblosen Polymerisates, 35 setzt. Der OH-Gehalt beträgt 0,55 %· Das Polymerisat das vollständig in Tetrahydrofuran löslich ist; es setzt löst sich klar in Tetrahydrofuran, sich aus 53,5% Äthylen-Vinylacetat-Hydrolysat und . .1120 parts of a colorless polymer are obtained, 35 sets. The OH content is 0.55%. The polymer which is completely soluble in tetrahydrofuran; it dissolves clearly in tetrahydrofuran, consists of 53.5% ethylene vinyl acetate hydrolyzate and. .
46,5% Polyvinylchlorid zusammen. Festigkeit: Beispiel 546.5% total polyvinyl chloride. Strength: Example 5
130kg/cm2;Shore-Härte:92/45;Bruchdehnung432%. Ein Rührautoklav wird mit 4000Teilen eines zu130kg / cm 2 ; Shore hardness: 92/45; elongation at break 432%. A stirred autoclave is used with 4000 parts
40 29% verseiften, ursprünglich 45% Vinylacetat entBeispiel 2 haltenden Copolymerisates aus Äthylen und Vinylacetat, 6000 Teilen Vinylchlorid, 20 000 Teilen Wasser,40 29% saponified, originally 45% vinyl acetate, for example 2 holding copolymers of ethylene and vinyl acetate, 6,000 parts of vinyl chloride, 20,000 parts of water,
300 Teile eines Äthylen-Vinylester-Copolymerisates 60 Teilen Methylcellulose und 4 Teilen α,α'-Azodimit einem Vinylacetätgehalt von 52%. dessen Acetyl- isobuttersäurenitril beschickt. Man rührt 5 Stunden gruppen zu 35% abgespalten wurden, 1200 Teile 45 kräftig bei Raumtemperatur und heizt anschließend Vinylchlorid, 3300 Teile Wasser, 20 Teile Methyl- unter weiterem schnellem Rühren 15 Stunden auf cellulose und 3 Teile «,«'-Azodiisobuttersäuredinitril 60° C.300 parts of an ethylene-vinyl ester copolymer, 60 parts of methyl cellulose and 4 parts of α, α'-azodimite a vinyl acetate content of 52%. its acetylisobutyronitrile is charged. The mixture is stirred for 5 hours groups were split off to 35%, 1200 parts 45 vigorously at room temperature and then heated Vinyl chloride, 3300 parts of water, 20 parts of methyl with continued rapid stirring for 15 hours cellulose and 3 parts "," '- azodiisobutyric acid dinitrile 60 ° C.
werden in einem Autoklav 5 Stunden bei Raum- Man erhält nach dem Waschen und Trocknenare kept in an autoclave for 5 hours at Raum- Man obtained after washing and drying
temperatur kräftig gerührt. 8297 Teile eines feinteiligen Perlpolymerisates, das.temperature vigorously stirred. 8297 parts of a finely divided bead polymer, the.
Anschließend polymerisiert man 15 Stunden bei 50 sich aus 52 % PVC-Polymerisat und 48 % anverseiftem 6O0C. Äthylenvinylacetat-Copolymerisat zusammensetzt. DerIs then polymerized for 15 hours at 50 to anverseiftem from 52% PVC polymer and 48% 6O 0 C. ethylene vinyl acetate copolymer composed. the
Es fallen 1360 Teile eines farblosen Perlpolymerisats Chlorgehalt beträgt 29,1%, der OH-Gehalt wurde zu an, das 22% hydrolysiertes Copolymerisat enthält. 1,2% bestimmt. K-Wert = 63,5.1360 parts of a colorless bead polymer fall, the chlorine content is 29.1% and the OH content has increased which contains 22% hydrolyzed copolymer. 1.2% determined. K value = 63.5.
. . Das Polymerisat löst sich vollständig in Tetra-. . The polymer dissolves completely in tetra-
B ei spi el 3 55 hydrofuran, Cyclohexanon oder Dioxan und bildetB ei spi el 3 55 hydrofuran, cyclohexanone or dioxane and forms
Ein Rührautoklav wird mit 150 Teilen eines Copoly- nach dem Verdunsten des Lösungsmittels klare, feste merisates aus Äthylen und Vinylacetat mit einem Vinyl- und elastische Filme.A stirred autoclave with 150 parts of a copoly- becomes clear, solid after the solvent has evaporated merisates of ethylene and vinyl acetate with a vinyl and elastic films.
Claims (1)
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