Nghĩa của từ polymerisation bằng Tiếng Việt
@polymerisation
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Đặt câu có từ "polymerisation"
1. Novel catalyst for the gas-phase polymerisation of conjugated dienes
2. Method for synthesis of block polymers by controlled free radical polymerisation
3. Radical polymerisation activator for the production of coloured non-toxic organic cements
4. Synthese et polymerisation de derives Acetalises par le glycerol : application a la progesterone
5. An increase of 10°C accelerates polymerisation by a factor of 1.5 to 2.0.
6. Butyl rubber is made by cationic polymerisation of isobutylene with about 2 - 7% isoprene.
Cao su butyl được chế tạo bằng phương pháp polyme hóa isobutylen với 2-7% isopren.
7. Investigators also shed important light on the mechanisms of catalytic activation of MAO for polymerisation processes.
8. 19 The brightening polyester chip is made by addition of brightening agent during the polymerisation.
9. Light polymerisation apparatus for cosmetic purposes, in particular for hardening nail polish, nail gel and nail care preparations
10. It is supposed that some minerals like zinc and lead might have once served as catalysts for polymerisation of nucleotides into nucleic acids .
11. The present invention can provide a catalyst for polyolefin polymerisation of a two-component magnesium compound supporting type which exhibits high activity.
12. The third approach involves: the synthesis of certain molecules containing readily polarised groups of substituents, and the controlled polymerisation or crystallisation of these molecules.
13. By using the dialkoxy magnesium supported catalyst, the present invention can provide a catalyst for polyolefin polymerisation of a two-component magnesium compound supporting type which exhibits high activity.
14. Plastisol compositions based on vinyl chloride/vinyl acetate copolymers produced by a suspension polymerisation process have a low viscosity even when the polymer/plastifier ratio is low, so that they can be made into airless spraying plastisol compositions.
15. The mechanism of aneuploidy induction is well understood and consists of inhibition of polymerisation of tubulin, the protein that is essential for the segregation of chromosomes during cell division: it does not involve any interaction with DNA.
16. The present invention provides for a method for preparing a storable fluidic olefin polymerisation catalyst composition, said catalyst comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC), or of an actinide or lanthanide, and the use of such composition for polymerising &agr;-olefins.
17. Throughout the Classification, the term "man-made fibres" means staple fibres and filaments of organic polymers produced by manufacturing processes, either: a) By polymerisation of organic monomers, such as polyamides, polyesters, polyurethanes or polyvinyl derivatives; or b) By chemical transformation of natural organic polymers (for example, cellulose, casein, proteins or algae), such as viscose rayon, cellulose acetate, cupro or alginates.
18. Throughout the Nomenclature, the term "man-made fibres" means staple fibres and filaments of organic polymers produced by manufacturing processes, either: (a) By polymerisation of organic monomers, such as polyamides, polyesters, polyurethanes or polyvinyl derivatives; or (b) By chemical transformation of natural organic polymers (for example, cellulose, casein, proteins or algae), such as viscose rayon, cellulose acetate, cupro or alginates.
19. Thus, according to the present invention there is provided a method for making a substantially pure higher MW phenylalkylsiloxane from a lower MW phenylalkylsiloxane by polymerisation of the lower MW phenylalkylsiloxane under vacuum in the presence of an aqueous alkaline solution containing one or more alkalis selected from the group of potassium hydroxide, magnesium hydroxide, calcium hydroxide, rhubidium hydroxide ammonium hydroxide, tetraalkylammonium hydroxide, tetraalkyl ammonium alkoxide and phosphonium hydroxides in an amount of from 50ppm or greater based upon the amount of lower MW phenylalkylsiloxane.
20. More specifically, the present invention relates to an acrylic emulsion adhesive comprising (a) an acrylic emulsion resin obtained by the polymerisation of: a monomer mixture comprising i) a (meth)acrylic acid ester monomer having a C1 to C14 alkyl group, ii) one or more monomer selected from the group consisting of allyl esters, vinyl esters, unsaturated acetates and unsaturated nitriles, iii) one or more monomer selected from the group consisting of unsaturated carboxylic acids and hydroxyl-group-containing unsaturated monomers, and iv) diacetone acrylamide; and a crosslinking agent, and (b) adipic acid dihydrazide, and the present invention relates to a production method for same.
21. Poly(vinyl chloride) powder, not mixed with any other substances, with a degree of polymerisation of 1 000 (± 100) monomer units, a coefficient of heat transmission (K-value) of 60 or more, but not more than 70, a bulk density of 0,35 g/cm3 or more, but not more than 0,55 g/cm3, a volatile material content of less than 0,35 % by weight, a medium average grain size of 40 μm or more, but not more than 70 μm and a sieve non- passing fraction at a mesh width of 120 μm of not more than 1 % by weight, not containing any vinyl acetate monomers, for the manufacture of battery separators (1)
22. Throughout the Nomenclature, the term "man-made fibres" means staple fibres and filaments of organic polymers produced by manufacturing processes, either: (a) By polymerisation of organic monomers to produce polymers such as polyamides, polyesters, polyolefins or polyurethanes, or by chemical modification of polymers produced by this process (for example, poly(vinyl alcohol) prepared by the hydrolysis of poly(vinyl acetate)); or (b) By dissolution or chemical treatment of natural organic polymers (for example, cellulose) to produce polymers such as cuprammonium rayon (cupro) or viscose rayon, or by chemical modification of natural organic polymers (for example, cellulose, casein and other proteins, or alginic acid), to produce polymers such as cellulose acetate or alginates.
23. The invention relates to anionically modified copolymers that can be obtained by the polymerisation of the monomers (A), (B) and (C), obtaining non-ionic polymers containing reactive terminal OH groups, and by subsequent conversion of the terminal OH groups to form anionic end groups, (A) being a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, k corresponds to the number 0 or 1, m is a number between 0 and 500, preferably between 0 and 50, n is a number between 0 and 500, preferably between 0 and 50, the sum of m + n being equal to between 1 and 1000; (B) contains an ethylenically unsaturated monomer containing an aromatic group; and (C) is an ethylenically unsaturated monomer containing an alkyl radical.