Polymer composition to obtain films

 

(57) Abstract:

The use of the invention: fabrication of films, fluorescent and selectively absorb radiation, which can be used in agriculture. The inventive composition contains 0,0149 1,1618% active additives, rest of (co)polymer of ethylene. Active additive compound of europium on the media General formula AxByCzwhere a compound of europium selected from the group comprising salts of organic and inorganic acids and chelating compounds; In donor ligand selected from the group comprising 1,10-phenanthroline, 2,2-dipyridyl, trioctylphosphine, dimensionalised, tributyl phosphate and triphenylphosphine; With inorganic media that is not soluble in water and does not absorb UV radiation in the region of 260 to 400 nm, with a particle size of 0.04 to 100 microns, x, y, z is the mass fraction of components and x y z from 1,0 0,2 0,2 to 1,0 4,5 40,0. table 1.

The invention relates to polymeric compositions for the preparation of fluorescent and selectively absorb radiation materials that can be used in agriculture for the manufacture of films, transforming the UV component of natural or artificial light in the radiation of the second additive complex compounds oil sulfoxidov and tributyl phosphate with chlorides of rare earth elements [1]

The disadvantage of this composition is the low intensity of the luminescence of the obtained films.

Closest to the claimed invention is a known polymer composition to obtain films, including (co)polymer of ethylene and an active additive compound of europium [2]

The disadvantage of this polymer composition is a low intensity of luminescence of the obtained films.

The purpose of the invention increase the intensity of luminescence of the obtained films.

This technical result is achieved in that the polymer composition to obtain films, including (co)polymer of ethylene and an active additive, as the latter contains a complex compound of europium on the media, the General formula

AxByCzwhere A compound of europium selected from the group comprising salts of inorganic and organic acids and chelating compounds;

In donor ligand selected from the group comprising 1,10-phenanthroline, 2,2-dipyridyl, trioctylphosphine, Vexillology, tributyl phosphate and triphenylphosphine;

With inorganic media that is not soluble in water and does not absorb UV radiation in the field of 260-400 nm size calicanto, wt. Active additive 0,0149-1,1618 (co)Polymer of ethylene Else

The invention consists in the following.

Prepare active additive, which dissolve compounds of europium in the water and poured the water suspension containing the media. The resulting mixture is stirred for one hour and evaporated in a rotary evaporator. Then poured toluene and the solution donor ligand in toluene. The contents stirred for 3 h at 70aboutC, then filtered and dried in vacuum at 100aboutC. active additives on the media to 99%

As compounds of europium use nitrates, chlorides, perchlorates, phosphates, sulfates, salts of monobasic1-C20-aliphatic and halogenations acids, aromatic mono-, di - and tricyclic acids and such chelate compounds as denitrification, dibenzoylmethane, hexafluoroacetylacetonate, benzoyltrifluoroacetone. These compounds are soluble in water and such organic solvents as aliphatic alcohols, ethers, esters, dimethylformamide, dimethyl sulfoxide, aliphatic ketones, POLYHALOGENATED, aromatic hydrocarbons.

As inorganic media use sulfates to its origin on the basis of these compounds.

Data of x-ray phase analysis confirm the presence of two phases (crystal structures): complexed with europium donor ligand (components a and b) and the carrier (component C).

The data obtained by electron microscopy, show that the particles obtained substances powdery substance with the stated structure and particle sizes, i.e., the complex compound of europium supported on a carrier and has a particle size of 0.04 to 100 microns.

Active additive on the carrier in the form of a free flowing powder mixed with granules (co)polymer of ethylene, for example, polyethylene brand 15313-003 and processed by extrusion blown film according to GOST 10354-82.

Films prepared from polyethylene, have the tensile force in the longitudinal direction to 16.9 MPa, transverse to 14.9 MPa, elongation at break in the longitudinal direction to 76% in the transverse to 90%

The invention is illustrated in the examples in the table.

The table uses the following abbreviations: PE polyethylene ST. copolymer of ethylene with

the vinyl acetate europium Eu (TTA)3thenoyltrifluoroacetone-

NAT Eu (DBM)3dibenzoylmethane

europium Hairdryer 1,10-phenanthrolin PF is>XID

POLYMER COMPOSITION TO OBTAIN FILMS, including (co) polymer of ethylene and an active additive, characterized in that as an active additive contains a complex compound of europium on the media, the General formula

AxByCz< / BR>
where A compound of europium selected from the group comprising salts of organic and inorganic acids and chelating compounds;

B donor ligand selected from the group comprising 1,10-phenanthroline, 2,2-dipyridyl, trioctylphosphine, vexillological tributyl phosphate and triphenylphosphine;

C inorganic media that is not soluble in water and does not absorb UV radiation in the field of 260-400 nm, with a particle size of 0.04 to 100 microns;

x,y,z - 1,0 0,1 0,2 to 1,0 4,5 40,0 mass fraction of components,

in the following ratio, wt.

The specified active additive 0,0149 1,1618

(Co)polymer of ethylene Else

 

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2 cl, 2 ex

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12 cl, 3 tbl, 4 ex, 122 dwg

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1 ex

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13 cl, 4 ex

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12 cl, 3 ex

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23 cl, 2 tbl, 4 ex

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13 cl, 1 dwg, 6 tbl, 12 ex

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7 cl, 5 tbl

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9 cl, 1 tbl, 1 ex

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