CS251991B1 - Polymer mixture with increased elasticity - Google Patents
Polymer mixture with increased elasticity Download PDFInfo
- Publication number
- CS251991B1 CS251991B1 CS856325A CS632585A CS251991B1 CS 251991 B1 CS251991 B1 CS 251991B1 CS 856325 A CS856325 A CS 856325A CS 632585 A CS632585 A CS 632585A CS 251991 B1 CS251991 B1 CS 251991B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- ethylene
- propylene
- heat resistance
- polymer blend
- vicata
- Prior art date
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- 229920002959 polymer blend Polymers 0.000 title claims description 12
- 229920001400 block copolymer Polymers 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
- 239000005977 Ethylene Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 8
- -1 propylene-ethylene Chemical group 0.000 claims description 7
- 229920005604 random copolymer Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 229920006301 statistical copolymer Polymers 0.000 description 2
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
Vynález sa týká polymérnej zmesi so zvýšenou elasticitou určenej na výrobu potrubných systémov.BACKGROUND OF THE INVENTION The present invention relates to a polymer blend with increased elasticity for use in the manufacture of piping systems.
Je známe, že na výrobu potrubných systémov pre podlahové vykurovamie sa používajú polymery propylénu. Pri výbere materiálu pre teplovodně rozvody je preto nevyhnutné mať na zřeteli okrem iného i elasticitu daného materiálu a jeho tepelné vlastnosti. Nevýhodou doterajších materiálov je, že pri zabezpečení dohřej elasticity nastáva zhoršenie tepelných vlastností a naopak materiály s dobrými tepelnými vlastnosťami sa vyzmačujú vysokou tuhosťou. Elasticitu polymérov propylénu móžeme ovplyvňovať viacerými sposobmi. Tak napr. kopolymerizáciou propylénu s etylénom tak ako je to uvedené v USA patente č. 39 299 32, kde tuná sa dosiahnu vyhovujúce elastické vlastnosti. Obdobné možno· elasticitu polymérov propylénu ovplyvňovať primiešavaním elastomérov, Jap. patent 23 642/82, 6 183/76 a pod. Týmito sposobmi sa sice dosiahne zlepšená elasticita, na súčasne poklesnu tepelné vlastnosti.It is known that propylene polymers are used for the production of duct systems for floor heating. Therefore, when selecting a material for a heat distribution system, it is necessary to take into account, inter alia, the elasticity of the material and its thermal properties. The disadvantage of the prior art materials is that when the elasticity is overheated, the thermal properties deteriorate and, on the contrary, the materials with good thermal properties are characterized by high stiffness. The elasticity of propylene polymers can be influenced in several ways. So eg. copolymerization of propylene with ethylene as disclosed in U.S. Pat. 39 299 32, where tons of satisfactory elastic properties are achieved. Similarly, the elasticity of the propylene polymers can be influenced by admixing the elastomers, Jap. U.S. Patent 23,642/82, 6,183/76, and the like. In these ways, although improved elasticity is achieved, the thermal properties decrease at the same time.
Tieto nedostatky odstraňuje polymérna zmes so zvýšenou elasticitou, ktorej podstata spočívá v tom, že pozostáva z 10 až 90 % hmot. statistického kopolyméru propylén-etylén s tavným indexom 0,1 až 5 g/10 min. obsahujúceho 1 až 10 % hmot. etylénu a 90 až 10 % hmot. blokového kopolyméru propylén-etylén s tavným indexom 0,5 až 5 g/10 min. obsahujúceho 5 až 20 % hmot. etylénu.These drawbacks are overcome by a polymer blend with increased elasticity, which consists of 10 to 90% by weight. a random propylene-ethylene copolymer with a melt index of 0.1 to 5 g / 10 min. % containing 1 to 10 wt. % of ethylene and 90 to 10 wt. propylene-ethylene block copolymer with a melt index of 0.5 to 5 g / 10 min. % containing 5 to 20 wt. ethylene.
Výhody spočívajú v tom, že potrubně systémy vyrobené z tejto zmesi sú elastické a přitom si zachovávajú svojú tepelnú odolnosť. Ďalšou výhodou je, že vlastná výroba polymérnej zmesi je ekonomicky nenáročná a technicky 1'ahko realizovatelná na strojnoteohnologickom zariadení hežne sa nachádzajúcom v plastikářských podnikoch.The advantages are that the piping systems made of this mixture are elastic while retaining their heat resistance. A further advantage is that the actual production of the polymer blend is economically undemanding and technically easy to implement on a machine-andohological device found in plastics plants.
Příklad 1Example 1
Na přípravu polymérnej zmesi sme použili blokový kopolymér propylén-etylén s tavným indexom 1,1 g/10 min. obsahujúci 10 % hmot. etylénu s modulom pružnosti v ohybe 1100 MPa a odolnosťou za tepla podta Vicata 143 CC. K uvedenému polyméru sme přidali.20% hmot. Statistického kopolyméru propylén-etylén obsahujúceho 1,8 % hmot. etylénu s tavným indexom 0,7 g/10 min. Modul pružnosti v ohybe uvedeného kopolyméru bol 980 MPa a odolnost za tepla podta Vicata 145 °C.A propylene-ethylene block copolymer with a melt index of 1.1 g / 10 min was used to prepare the polymer blend. containing 10 wt. % of ethylene with a flexural modulus of 1100 MPa and a heat resistance of Vicata 143 C C. We added 20 wt. A propylene-ethylene random copolymer containing 1.8 wt. of ethylene with a melt index of 0.7 g / 10 min. The flexural modulus of said copolymer was 980 MPa and the heat resistance of the Vicata substrate was 145 ° C.
Polymérna zmes sa připravila zmiešaním jednotlivých polymérov fluidnou technikou a následným přetavením a zgranulovaním.The polymer blend was prepared by mixing the individual polymers by a fluid technique followed by remelting and granulating.
Modul pružnosti v ohybe sa stanovil podta CSN 64 0614 na přístroji ZWICK 1474 pri rýchlosti skúšania 5 mm/min. Odolnost za teplo ipodta Vicata sa stanovila podta ĎSNThe flexural modulus was determined according to CSN 64 0614 on a ZWICK 1474 instrument at a test speed of 5 mm / min. The heat resistance of ipodta Vicata was determined by ĎSN
0521 na přístroji CEAST-R-PID-742 pri rýchlosti ohřevu 50 °C/h. Ako teplonosné médium sa použil silikónový olej.0521 on a CEAST-R-PID-742 at a heating rate of 50 ° C / h. Silicone oil was used as the heat transfer medium.
Modul pružnosti v ohybe pripravenej zmesi bol 850 MPa. Odolnost za tepla podta Vicata 143 °C.The flexural modulus of the prepared mixture was 850 MPa. Heat resistance under Vicata 143 ° C.
Příklad 2Example 2
Blokový kopolymér propylén-etylén ako v příklade 1. K blokovému kopolyméru sa přidalo 10 % hmot. statistického kopolyméru propylén-etylén s tavným indexom 4 g na 10 min. obsahujúceho 8 % hmot. etylénu. Modul pružnosti v ohybe Statistického kopolyméru bol 950 MPa, odolnost za tepla podta Vicata 144 °C.Propylene-ethylene block copolymer as in Example 1. To the block copolymer was added 10 wt. a random propylene-ethylene copolymer with a melt index of 4 g for 10 min. containing 8 wt. ethylene. The flexural modulus of the statistical copolymer was 950 MPa, the heat resistance under Vicata was 144 ° C.
Příprava a meranie vlastností polymérnej zmesi bolo ako v příklade 1.The preparation and measurement of the properties of the polymer blend was as in Example 1.
Modul pružnosti v ohybe takto pripravenej zmesi bol 870 MPa, odolnost za tepla podta Vicata 143 °C.The flexural modulus of the thus prepared mixture was 870 MPa, the heat resistance under Vicata 143 ° C.
Příklad 3Example 3
Blokový kopolymér ako v příklade 1. K blokovému kopolyméru sa přidalo 30 % statistického kopolyméru ako v příklade 2.Block copolymer as in Example 1. 30% of the random copolymer as in Example 2 was added to the block copolymer.
Příprava a meranie vlastností polymérnej zmesi ako v příklade 1.Preparation and measurement of polymer blend properties as in Example 1.
Modul pružnosti v ohybe takto pripravenej zmesi bol 790 MPa, odolnost za tepla podta Vicata 142 °C.The flexural modulus of the thus prepared mixture was 790 MPa, the heat resistance under Vicata 142 ° C.
P r í k 1 a d 4Example 1 4
Na přípravu polymérnej zmesi sa použilo 80 % hmot. statistického kopolyméru propylén-etylén ako v příklade 1. K uvedenému polyméru sa přidalo 20 % hmot. blokového kopolyméru propylén-etylén obsahujúceho 15 % hmot. etylénu a tavným indexom 4,5 gramov/10 min. Modul pružnosti v ohybe blokového kopolyméru bol 950 MPa, odolnost za tepla podta Vicata bola 148 °C.80% by weight was used to prepare the polymer blend. of a random propylene-ethylene copolymer as in Example 1. 20 wt. % propylene-ethylene block copolymer containing 15 wt. ethylene and a melt index of 4.5 grams / 10 min. The flexural modulus of the block copolymer was 950 MPa, and the heat resistance under Vicata was 148 ° C.
Příprava a meranie vlastností polymérnej zmesi ako v příklade 1.Preparation and measurement of polymer blend properties as in Example 1.
Modul pružnosti v ohybe takto pripravenej zmesi je 880 MPa, odolnost za tepla podta Vicata 143 °C.The flexural modulus of the thus prepared mixture is 880 MPa, the heat resistance under Vicata 143 ° C.
Příklad 5Example 5
Statistický kopolymér ako v příklade 1. K uvedenému polyméru sa přidalo 10 % hmot. blokového kopolyméru ako v příklade 4.Statistical copolymer as in Example 1. 10 wt. block copolymer as in Example 4.
Příprava a meranie vlastností polymérnej zmesi ako v příklade 1.Preparation and measurement of polymer blend properties as in Example 1.
Modul pružnosti v ohybe takto pripravenej zmesi je 890 MPa, odolnost za tepla podta Vicata 145 °C.The flexural modulus of the thus prepared mixture is 890 MPa, the heat resistance under Vicata 145 ° C.
Predmet vynálezu je možné využit v stavebníctve, potnohospodárstve, v chemickom priemysie, vodnom a lesnom hospodárstve.The subject of the invention can be used in construction, agriculture, chemical industry, water and forestry.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS856325A CS251991B1 (en) | 1985-09-04 | 1985-09-04 | Polymer mixture with increased elasticity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS856325A CS251991B1 (en) | 1985-09-04 | 1985-09-04 | Polymer mixture with increased elasticity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS632585A1 CS632585A1 (en) | 1986-11-13 |
| CS251991B1 true CS251991B1 (en) | 1987-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS856325A CS251991B1 (en) | 1985-09-04 | 1985-09-04 | Polymer mixture with increased elasticity |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS251991B1 (en) |
-
1985
- 1985-09-04 CS CS856325A patent/CS251991B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS632585A1 (en) | 1986-11-13 |
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