AT236116B - Polymer blends resistant to the effects of heat and light as well as to aging - Google Patents

Polymer blends resistant to the effects of heat and light as well as to aging

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Publication number
AT236116B
AT236116B AT236162A AT236162A AT236116B AT 236116 B AT236116 B AT 236116B AT 236162 A AT236162 A AT 236162A AT 236162 A AT236162 A AT 236162A AT 236116 B AT236116 B AT 236116B
Authority
AT
Austria
Prior art keywords
sep
aging
resistant
effects
heat
Prior art date
Application number
AT236162A
Other languages
German (de)
Inventor
Alberto Bonvicini
Fosco Bordini
Original Assignee
Montedison Spa
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.)
Filing date
Publication date
Application filed by Montedison Spa filed Critical Montedison Spa
Application granted granted Critical
Publication of AT236116B publication Critical patent/AT236116B/en

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  • Compositions Of Macromolecular Compounds (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Gegen die Einwirkung von Hitze und Licht sowie gegen das Altern beständige Polymer- mischungen 
 EMI1.1 
 

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   171. 286Tabelle : 
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<tb> 
<tb> j <SEP> Beispiel <SEP> l <SEP> j <SEP> Beispiel <SEP> 2 <SEP> I <SEP> Beispiel <SEP> 3 <SEP> I <SEP> Beispiel <SEP> 4
<tb> Polypropylen
<tb> Polypropylen
<tb> Grenzviskosität <SEP> 1, <SEP> 34. <SEP> 1, <SEP> 34 <SEP> 1, <SEP> 34 <SEP> 1, <SEP> 34 <SEP> 
<tb> Aschegehalt <SEP> ................... <SEP> 0,028% <SEP> 0,028% <SEP> 0,028% <SEP> 0,028%
<tb> Rückstand <SEP> nach <SEP> Heptanextraktion <SEP> . <SEP> 93,4% <SEP> 93,4% <SEP> 93,4% <SEP> 93'4%
<tb> Stabilisator..................... <SEP> Blei-chlor- <SEP> Blei-chlor- <SEP> Blei-chlor- <SEP> #
<tb> phthalosilikat <SEP> phthalosilikat <SEP> phthalosilikat
<tb> Stabilisatorverhältnis <SEP> ........... <SEP> 0,2% <SEP> 0,5% <SEP> 1% <SEP> #
<tb> Herstellung <SEP> der <SEP> Mischung.....

   <SEP> Henschel- <SEP> Henschel- <SEP> Henschel- <SEP> Henschelmischer <SEP> mischer <SEP> mischer <SEP> mischer
<tb> Mischung, <SEP> geschmolzen <SEP> in <SEP> einem
<tb> Proberohr <SEP> bei <SEP> 250  <SEP> C <SEP> während
<tb> 10 <SEP> min <SEP> klar <SEP> klar <SEP> klar <SEP> klar
<tb> Spinnbedingungen
<tb> Schneckentemperatur <SEP> ............. <SEP> 2400 <SEP> C <SEP> 2400 <SEP> C <SEP> 2400 <SEP> C <SEP> 2400 <SEP> C
<tb> Kopftemperatur................. <SEP> 230  <SEP> C <SEP> 230  <SEP> C <SEP> 2300 <SEP> C <SEP> 2300 <SEP> C
<tb> Spinndüsentemperatur <SEP> 230  <SEP> C <SEP> 230  <SEP> C <SEP> 2300 <SEP> C <SEP> 2300 <SEP> C <SEP> 
<tb> Spinndüsenart...................

   <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm
<tb> Maximaldruck <SEP> (kg/cm)........... <SEP> 40 <SEP> 40 <SEP> 40 <SEP> 35
<tb> Aufwickelgeschwindigkeit <SEP> (m/min) <SEP> . <SEP> 250 <SEP> 250 <SEP> 250 <SEP> 300
<tb> Streckbedingungen
<tb> Temperatur <SEP> 1300 <SEP> C <SEP> 1300 <SEP> C <SEP> 130  <SEP> C <SEP> 130 <SEP> 0 <SEP> C
<tb> Medium <SEP> Dampf <SEP> Dampf <SEP> Dampf <SEP> Dampf
<tb> Streckverhältnis <SEP> 1: <SEP> 5 <SEP> 1 <SEP> : <SEP> 4 <SEP> 1 <SEP> : <SEP> 5 <SEP> 1 <SEP> :

   <SEP> 5
<tb> Serimetrische <SEP> Eigenschaften <SEP> des
<tb> gestreckten <SEP> Garns
<tb> Zugfestigkeit <SEP> (g/den)............. <SEP> 4, <SEP> 7 <SEP> 3, <SEP> 2 <SEP> 3, <SEP> 9 <SEP> 4, <SEP> 5 <SEP> 
<tb> Dehnung <SEP> %..................... <SEP> 15 <SEP> 27 <SEP> 18 <SEP> 26
<tb> Thermischer <SEP> Abbau <SEP> (Prozent <SEP> Verminderung <SEP> der <SEP> Grenzviskosität
<tb> durch <SEP> Strangpressen) <SEP> 87 <SEP> 92 <SEP> 88 <SEP> 70
<tb> Abbau <SEP> beim <SEP> beschleunigten
<tb> thermischen <SEP> Alterungsversuch
<tb> Restzugfestigkeit <SEP> nach <SEP> 15 <SEP> h <SEP> bei
<tb> 120  <SEP> C......................... <SEP> 72 <SEP> 100 <SEP> 91 <SEP> brüchig
<tb> in <SEP> einem <SEP> Heizschrank <SEP> mit <SEP> Luftumlauf <SEP> 68 <SEP> 90
<tb> U.

   <SEP> V.-Abbau <SEP> (Restzugfestigkeit <SEP> nach
<tb> Belichtung <SEP> mit <SEP> einer <SEP> Quecksilberdampflampe <SEP> während <SEP> 10 <SEP> h.......-44-32
<tb> Sonnenlichtabbau <SEP> (Restzugfestigkeit <SEP> nach <SEP> Belichtung <SEP> mit <SEP> Sommersonnenlicht <SEP> während <SEP> 200 <SEP> h)...... <SEP> 51 <SEP> 74 <SEP> 74 <SEP> 28
<tb> 
   PATENTANSPRÜCHE :    
1. Gegen die Einwirkung von Hitze und Licht sowie gegen das Altern beständige Polymermischungen mit einem Gehalt an organischen Bleiverbindungen, dadurch gekennzeichnet, dass sie ein kristallines Polyolefin sowie Bleichlorphthalosilikat als Stabilisator enthalten.



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  Polymer mixtures resistant to the effects of heat and light as well as to aging
 EMI1.1
 

 <Desc / Clms Page number 2>

 



   171.286Table:
 EMI2.1
 
<tb>
<tb> j <SEP> example <SEP> l <SEP> j <SEP> example <SEP> 2 <SEP> I <SEP> example <SEP> 3 <SEP> I <SEP> example <SEP> 4
<tb> polypropylene
<tb> polypropylene
<tb> Limiting viscosity <SEP> 1, <SEP> 34. <SEP> 1, <SEP> 34 <SEP> 1, <SEP> 34 <SEP> 1, <SEP> 34 <SEP>
<tb> Ash content <SEP> ................... <SEP> 0.028% <SEP> 0.028% <SEP> 0.028% <SEP> 0.028%
<tb> Residue <SEP> after <SEP> heptane extraction <SEP>. <SEP> 93.4% <SEP> 93.4% <SEP> 93.4% <SEP> 93'4%
<tb> stabilizer ..................... <SEP> lead-chlorine- <SEP> lead-chlorine- <SEP> lead-chlorine- <SEP> #
<tb> phthalosilicate <SEP> phthalosilicate <SEP> phthalosilicate
<tb> Stabilizer ratio <SEP> ........... <SEP> 0.2% <SEP> 0.5% <SEP> 1% <SEP> #
<tb> Production <SEP> of the <SEP> mixture .....

   <SEP> Henschel- <SEP> Henschel- <SEP> Henschel- <SEP> Henschel mixer <SEP> mixer <SEP> mixer <SEP> mixer
<tb> Mixture, <SEP> melted <SEP> in <SEP> one
<tb> Sample tube <SEP> at <SEP> 250 <SEP> C <SEP> during
<tb> 10 <SEP> min <SEP> clear <SEP> clear <SEP> clear <SEP> clear
<tb> spinning conditions
<tb> Screw temperature <SEP> ............. <SEP> 2400 <SEP> C <SEP> 2400 <SEP> C <SEP> 2400 <SEP> C <SEP> 2400 <SEP > C
<tb> Head temperature ................. <SEP> 230 <SEP> C <SEP> 230 <SEP> C <SEP> 2300 <SEP> C <SEP> 2300 < SEP> C
<tb> Spinneret temperature <SEP> 230 <SEP> C <SEP> 230 <SEP> C <SEP> 2300 <SEP> C <SEP> 2300 <SEP> C <SEP>
<tb> spinneret type ...................

   <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm <SEP> 60 / 0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm <SEP> 60/0, <SEP> 8 <SEP> x <SEP> 16 <SEP> mm
<tb> Maximum pressure <SEP> (kg / cm) ........... <SEP> 40 <SEP> 40 <SEP> 40 <SEP> 35
<tb> Winding speed <SEP> (m / min) <SEP>. <SEP> 250 <SEP> 250 <SEP> 250 <SEP> 300
<tb> stretching conditions
<tb> Temperature <SEP> 1300 <SEP> C <SEP> 1300 <SEP> C <SEP> 130 <SEP> C <SEP> 130 <SEP> 0 <SEP> C
<tb> Medium <SEP> Steam <SEP> Steam <SEP> Steam <SEP> Steam
<tb> Stretching ratio <SEP> 1: <SEP> 5 <SEP> 1 <SEP>: <SEP> 4 <SEP> 1 <SEP>: <SEP> 5 <SEP> 1 <SEP>:

   <SEP> 5
<tb> Serimetric <SEP> properties <SEP> des
<tb> stretched <SEP> yarn
<tb> Tensile strength <SEP> (g / den) ............. <SEP> 4, <SEP> 7 <SEP> 3, <SEP> 2 <SEP> 3, <SEP > 9 <SEP> 4, <SEP> 5 <SEP>
<tb> stretching <SEP>% ..................... <SEP> 15 <SEP> 27 <SEP> 18 <SEP> 26
<tb> Thermal <SEP> degradation <SEP> (percent <SEP> reduction <SEP> of the <SEP> limiting viscosity
<tb> by <SEP> extrusion) <SEP> 87 <SEP> 92 <SEP> 88 <SEP> 70
<tb> <SEP> dismantling at <SEP> accelerated
<tb> thermal <SEP> aging test
<tb> Residual tensile strength <SEP> according to <SEP> 15 <SEP> h <SEP> at
<tb> 120 <SEP> C ......................... <SEP> 72 <SEP> 100 <SEP> 91 <SEP> brittle
<tb> in <SEP> a <SEP> heating cabinet <SEP> with <SEP> air circulation <SEP> 68 <SEP> 90
<tb> U.

   <SEP> V. degradation <SEP> (residual tensile strength <SEP> according to
<tb> Exposure <SEP> with <SEP> a <SEP> mercury vapor lamp <SEP> during <SEP> 10 <SEP> h .......- 44-32
<tb> Sunlight degradation <SEP> (residual tensile strength <SEP> after <SEP> exposure <SEP> with <SEP> summer sunlight <SEP> during <SEP> 200 <SEP> h) ...... <SEP> 51 <SEP > 74 <SEP> 74 <SEP> 28
<tb>
   PATENT CLAIMS:
1. Polymer mixtures which are resistant to the effects of heat and light and to aging and contain organic lead compounds, characterized in that they contain a crystalline polyolefin and lead chlorophthalosilicate as a stabilizer.

Claims (1)

2. Polymermischungen nach Anspruch 1, dadurch gekennzeichnet, dass das Poly-x-olefin Polypropylen ist. 2. Polymer mixtures according to claim 1, characterized in that the poly-x-olefin is polypropylene. 3. Polymermischungen nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, dass sie 0, 02-2 Gew.- Teile, vorzugsweise 0, 2-1 Gew. -Teil Stabilisator pro 100 Gew.-Teile Poly- < x-olefin enthalten. 3. Polymer mixtures according to claim 1 and / or 2, characterized in that they contain 0.2-2 parts by weight, preferably 0.2-1 part by weight of stabilizer per 100 parts by weight of poly- <x -olefin . 4. Polymermischungen nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie zusätzlich ein anorganisches Salz von Stearinsäure, vorzugsweise Kalziumstearat, enthalten. 4. Polymer mixtures according to one or more of the preceding claims, characterized in that they additionally contain an inorganic salt of stearic acid, preferably calcium stearate.
AT236162A 1961-03-27 1962-03-23 Polymer blends resistant to the effects of heat and light as well as to aging AT236116B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT236116X 1961-03-27

Publications (1)

Publication Number Publication Date
AT236116B true AT236116B (en) 1964-10-12

Family

ID=11208558

Family Applications (1)

Application Number Title Priority Date Filing Date
AT236162A AT236116B (en) 1961-03-27 1962-03-23 Polymer blends resistant to the effects of heat and light as well as to aging

Country Status (1)

Country Link
AT (1) AT236116B (en)

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