前苏联专利SU1498393A3 Polymeri composition for application onto polypropylene film film

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专利摘要:
Heissiegelbare, mindestens monoaxial orientierte Mehrschichtfolie aus einer Basisschicht aus einem Polypropylen und wenigsten einer heissiegelbaren Schicht aus 1.35 bis 70 Gew.%, vorzugsweise 38 bis 60 Gew.% Olefinpolymeren aus A) wenigstens einem Terpolymeren bestehend aus a) 65 bis 82 Gew.% Propylen, b) 25 bis 14 Gew.% Buten-1, c) 10 bis 4 Gew.% Ethylen und B) 0 bis 7 Gew.% eines Copolymeren aus Ethylen und Buten-1, wobei die Summe aus A) und B) bzw. aus a) bis c) immer 100 Gew.% und der Monomerengehalt der Komponenten A) und B) immer 65 bis 82 Gew.% Propylen, 25 bis 14 Gew.% Buten-1 und 10 bis 4 Gew.% Ethylen ergeben müssen, 2. 65 bis 30 Gew.%, vorzugsweise 62 bis 40 Gew.% eines Propylen/Ethylen-Copolymeren mit 2 bis 6 Gew.% Ethylen, wobei die Summe aus 1. und 2. immer 100 Gew.% ergeben muss, und 3. gegebenfalls üblichen Hilfs- und Zusatzstoffen.
公开号:SU1498393A3
申请号:SU874202921
申请日:1987-07-08
公开日:1989-07-30
发明作者:Шинкель Инге；Бенер Юрген
申请人:Вольфф Вальсроде Аг (Фирма)；
IPC主号:

专利说明:

The invention relates to the preparation of packaging films based on polyolefins.
The purpose of the invention is to improve the physicomechanical and optical properties of the composition.
The essence of the invention is as follows.
The ternary polymer of propylene, butene-1 and ethylene, and a copolymer of ethylene and butene-1 preferably have a melting index of 0.1-16 g / 10 min at a temperature of 230 ° C and a pressure of 2.2 N according to the German standard DIN 53 735.
The copolymer of propylene and ethylene preferably has a melting index (measured according to the stated German standard) of 0.1–25 g / 10 min at a temperature and pressure of 21.2 N.
The composition can be applied on one side or on both sides of the film based on α-isotactic polypropylene with a density of 0.9–0.91 g / cm and a melting index of 1–4 g / 10 min at a temperature and pressure of 21.2 N (according to the specified standard Germany).
The composition is also suitable for producing multi-layer films based on isotactic polypropylene.
The composition is prepared by simply mixing the components.
Turbidity is determined by the United States ASTM Standard D 1003-61.
The gloss of the film is determined according to ASTM Industrial Standard D 2457-70 using the appropriate
QD СХ СО
;about
with

device company Gardner n using geometry 45.
The strength of the welds is determined at low pressure. In this case, the seam of the welds is understood to be the force required to separate the weld created under certain conditions (0.35 N / cm, 0.5 s, smooth welded beams) and at the temperatures indicated in the table. Strength is referred to a 15 mm wide strip, indicated in newtons.
In order to establish the scratch resistance, the turbidity obtained by using the Ulbricht ball is determined. In this case, the turbidity of the film is measured before and after scratching, which is carried out by means of 42 g of pi
which is poured on film, arranged / g about
45 angle relative to
g horizontals.
Anti-morbidity is determined by the so-called agglutination value, which is understood to be the force, necessary for separating with a cut two wooden samples wrapped in a film, which at a certain temperature are stored in a drying cabinet for a certain time. The force required for separation is indicated in newtons.
For the test, two 72x42x10 mm wooden samples with a weight of 0.3 N, wrapped in a film to be tested, are placed one on top of the other, namely with surfaces covered with cloth, placed in a heated
Q
0
0
j
five
230 C and pressure of 21.2 N, amide of stearic acid, thermoplastic polyamide-12, amide: high acid and CMecij K, 1 1-bis- (2-hydroxyethyl) - l kil amines with 12-16 carbon atoms mixed in the quantities specified in the table. The composition thus obtained is applied on both surfaces of a 1-core based on polypropylene with a density of 0.905 g / cm and a melting index of 3.3 g / 10 nin at 230 ° C and a melting point of 21.2 I and subjected to longitudinal stretching. ratio of 5: and transverse stretching in the ratio of 10: 1.
The resulting laminated polypropylene film is 18 microns thick, both of which are provided with an outer layer 1 micron thick.
Film properties are listed in the table. Formula and about bp e te
Polymer composition for application to a polypropylene film comprising a terpolymer of propylene, butene-1 and ethylene, an antistatic agent, a filler and a lubricant, characterized in that, in order to improve the physicomechanical and optical properties, as a threefold propylene copolymer, butene -1 and ethylene it includes a ternary copolymer containing 71 n, ac,% propylene units, 20 wt.% 1-butene units and 9 wt.% Ethylene units, as an antistatic agent - a mixture of H, K-bis- (2- hydroxyethyl) -C, - C, -alkylamines, as a fill
up to 65 ° C, a drying cabinet in which their 40 bodies are polyamide, as a lubricant is subjected to a load heated to 65 ° C with a balance (2H) for 135 minutes (test surface 30 cm), then removed from the cabinet, cooled for 90 minutes and served in a testing machine, where cut samples are divided. The force required for this is measured in newtons. The test is conducted at a rate of 100 mm / min for 2 seconds.
Examples 1-3, A copolymer containing 96% by weight of propylene and 4% by weight of ethylene, with a melting index of 5 g / 10 min at a temperature of 230 ° C and a pressure of 21.2%, a statically ternary polymer containing 71% by weight of propylene , 20 wt.% Butene-1 and 9 May,% ethylene, having a 1Y melting index .7 g / O min at a temperature
five
0
five
amide of stearic and amide of erucic acid, and additionally contains a copolymer consisting of 96 wt.% propylene units and 4 wt.% ethylene units, in the following ratio, wt.%:
Specified
terpolymer 37,8-56,2
The specified copolymer 40, 7-59,1
A mixture of N, N-6HC (2-oxiztil) With f-j-C c-alkshaminov0, 5
Polyamide 0.15
Amide stearic acid1,95
Erucic acid amide 0.5

权利要求:
Claims (1)
[1]
Film properties are indicated in the table. Claim
A polymer composition for applying onto a polypropylene film, including a triple copolymer of propylene, butene-1 and ethylene, an antistatic agent, filler and lubricant, characterized in that, in order to improve physico-mechanical and optical properties, as a triple copolymer of propylene, butene-1 and ethylene it includes a triple copolymer containing 71 wt.% units of propylene, 20 wt.% units of butene-1 and 9 wt.% units of ethylene, as an antistatic agent is a mixture of M, K-bis- (2-hydroxyethyl) -C C _n alkylamines, as filler - poly Mid, as lubricant stearic amide and erucic acid amide, and further comprises a copolymer composed of 96 wt.% of units of propylene and 4 wt.% of units
90 minutes are cooled and fed into a tensile testing machine 45, where shear samples are separated. The force needed for this is measured in Newtons. The test is carried out at a speed of 100 mm / min for 2 s.
Examples 1-3. A copolymer containing 96 wt.% Propylene and 4 wt.% Lenium 5 23 ° C and triple of propylene, 20 wt.% Butene-1 ethylene, g / 10 min polymer pressure, with a melt index at temperature
21.2 N, static containing May 7, 1. % and
9 wt.% Ethylene having a melting index of .7 g / 10 min at ethylene temperature, with the following components, wt.%:
The specified triple copolymer The specified copolymer
A mixture of Ν, Ν-bis (2-hydroxyethyl) C c-C _(4- alkylamines
Polyamide
Amide stearic ratio
37.8-56.2
40.7-59.1
0.5
0.15 acid 1.95
Erucic acid amide
0.5

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法律状态:

优先权:

申请号 | 申请日 | 专利标题

DE19863624543|DE3624543A1|1986-07-19|1986-07-19|HOT-SEALABLE MULTILAYER FILMS MADE OF POLYOLEFINES|

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