159 results about "Glycoluril" patented technology

A heat resistant negative working photosensitive composition that comprises

• • (a) one or more polybenzoxazole precursor polymers (I):
  • wherein x is an integer from about 10 to about 1000, y is an integer from 0 to about 900 and (x+y) is about less then 1000; Ar¹ is selected from the group consisting of a tetravalent aromatic group, a tetravalent heterocyclic group, or mixtures thereof; Ar² is selected from the group consisting a divalent aromatic, a divalent heterocyclic, a divalent alicyclic, a divalent aliphatic group that may contain silicon, or mixtures thereof; Ar³ is selected from the group consisting a divalent aromatic group, a divalent aliphatic group, a divalent heterocyclic group, or mixtures thereof; Ar⁴ is selected from the group consisting Ar¹ (OH)₂ or Ar²; G is an organic group selected from the group consisting groups having a carbonyl, carbonyloxy or sulfonyl group attached directly to the terminal NH group of the polymer;
  • (b) one or more photo-active compounds which release acid upon irradiation (PAGs);
  • (c) a latent crosslinker which contains at least two ˜N—(CH₂OR)_n units wherein n=1 or 2 and R is a linear or branched C₁-C₈ alkyl group, with the proviso that when a glycoluril is employed as the latent crosslinker, the G group in the polybenzoxazole precursor polymer is produced from the reaction of a cyclic anhydride; and
  • (d) at least one solvent that is not NMP.

A flame resistant textile is provided. The textile is a sateen weave fabric containing cellulosic fibers, where the sateen weave fabric has a thickness of at least 19.5 mils, a thickness of at least 25 mils after 3 home washes at 120° F., an air permeability of at least 60 cfm, and a weight of less than about 7 oz/yd². The sateen weave fabric also contains a treatment, where the treatment contains a tetramethylhydroxy phosphonium salt or its condensate and chemical selected from the group consisting of urea, guanidines, guanyl urea, glycoluril, and polyamines. When the sateen weave fabric to which the treatment has been applied has been heat-cured and oxidized at least a portion of the cellulosic fibers have a pentavalent phosphate compound polymerized therein. The method for producing the flame resistant textile is also provided.

A black galvanized steel sheet including a composite coating layer formed on a surface of a blackened galvanized steel sheet by applying a treatment solution containing a phosphate ion, a vanadate ion, a metal ion, an α,β-unsaturated carboxylic acid and a glycoluril resin; and an organic resin layer formed on the composite coating layer, is provided. The black galvanized steel sheet is excellent in heat absorption and heat dissipation, electrical conductance, and corrosion resistance in a worked portion. Furthermore, the black galvanized steel sheet does not include hexavalent chromium.

This invention relates to a crosslinking composition comprising a compound having the structure of Formula I:

A′-NR^A—R^D

where A′ is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof, or a moiety comprising the structure:

where R^A is R^D, hydrogen, an alkyl of 1 to 20 carbon atoms, or taken together with A′ forms a cyclic compound; R^D is —CHR^C OR^B, wherein R^B is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and R^C is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; A is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof; B is a residue of a poly(alkylaldehyde) with n aldehyde groups; n is an integer of 2 to about 8; R_a is R_d, hydrogen, an alkyl of 1 to about 20 carbon atoms, or taken together with A forms a cyclic compound; where R_d is CHR_cOR_b or

where R_b is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and R_c is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; and where the alkyl or aryl groups in each radical may optionally have heteroatoms in their structure. This invention also relates to a process for producing the crosslinking composition by reacting an amino compound containing amino groups; a mono(alkylaldehyde) and/or a poly(alkylaldehyde), and an alcohol; where said amino compound is selected from the group consisting of: linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof.

The present invention provides thermosetting polyester powder or epoxy-containing acrylic powder compositions comprising one or more curing agent adduct of a polyester, preferably a linear polyester, wherein when the said curing agent adduct comprises an adduct of one or more polyepoxy compound, the said polyepoxy compound has an average of 2.01 or more epoxy groups per molecule. The compositions provide flexible coatings, films and capstocks having improved impact resistance, especially for use in automotive and architectural applications. To improve impact strength of coatings and films provided thereby, the compositions comprise curing agent adducts of one or more polyepoxy compound chosen from triglycidyl isocyanurate (TGIC) and triglycidyl trimellitate with a carboxyl functional polyester having a carboxyl equivalent weight of 602 or more. In addition, to further improve the impact strength of coatings and films provided thereby, the compositions may comprise one or more adjunct curing agent, such as glycoluril, an aminoplast resin or a blocked isocyanate.

Glycerides of acids having conjugated groups of aliphatic carbon-carbon double bonds, such as tung oil, are functionalized by reaction with certain polyol compounds at mild conditions. The functionalized oils are useful in a variety of coating and adhesive applications. They can be cured with melamine-formaldehyde, urea-formaldehyde, benzoguanimine-formaldehyde and/or glycoluril-formaldehyde resins. They can be reacted with polyisocyanates to form polyurethanes, and urethane-group containing prepolymers. Of particular interest are water-dispersible prepolymers, which can be used to make anionic, cationic or nonionic polyurethane dispersions for coating, adhesive and sealant as well as composites applications.

The invention relates to a cucurbituril and a synthetic method replacing the cucurbituril, which is an organic chemical heterocyclic compound, in particular to a compound named cucurbituril and a synthetic method replacing the cucurbituril. The synthetic method is that the glycolurils dimer is used as raw material and is heated and reacted with the epoxy glycolurils or the epoxy glycolurils derivatives and the formaldehyde in the hydrochloric acid medium under 90 DEG C. to 100 DEG C. for 1h to 2h; the cucurbituril is gained after condensation, filtration, separation and purification. The mixture is calculated based on the quantity of the material, and the glycolurils dimer : epoxy glycolurils or epoxy glycolurils derivatives : formaldehyde equals to 1 : 0 to 4 : 0 to 4, wherein, the epoxy glycolurils or epoxy glycolurils derivatives and the formaldehyde can not be zero at the same time, and the concentration of the hydrochloric acid is 3mol/L to 12mol/L. The invention can overcome the defect that the distribution of the cucurbituril in the product and the quantities and position of the substituent in the cucurbituril in the traditional synthetic method of the cucurbituril are difficult to control.

The invention provides a glycoluril represented by the general formula (Z):

wherein the group Z represents a carboxyalkyl, a glycidyl or an allyl group; R¹ and R² each independently represents a hydrogen atom, a lower alkyl or a phenyl group; R³, R⁴ and R⁵ each independently represents a hydrogen atom or the group identical with the group Z; however, when the group Z is a carboxyalkyl group, R³, R⁴ and R⁵ are the same carboxyalkyl groups as the group Z; and when the group Z is an allyl group, R⁵ represents a hydrogen atom. The invention further provides various resin compositions, for example, polyester resin compositions, epoxy resin compositions, and silicone resin compositions each comprising the glycoluril.

The present invention provides novel glycoluril derivatives for use as core molecules in combinatorial chemistry. Core molecules of the present invention can contain from one to six building blocks. Preferred building blocks are substituted amine radicals. Combinatorial libraries containing such core molecules are also provided.

The discloses a high-performance thermosetting polyester powder coating which comprises the raw materials: pure polyester resin, fluorinated polyester resin, epoxy resin, terminal carboxyl nitrile rubber, N,N,N,N'-tetra(2-ethoxyl) adipamide, tetramethoxyl methyl glycoluril, triglycidyl isocyanurate, amino resin, phenyl-2-imidazoline, 2-methylimidazole, chitosan, sodium lignin sulfonate, starch, polyethylene, polyvinyl butyral, nano titanium dioxide, aluminium oxide, zinc borate, mica iron oxide, montmorillonite, nanosilver, activated carbon powder, lanthanum oxide and auxiliaries. The high-performance thermosetting polyester powder coating disclosed by the invention is good in water resistance, oil resistance and heat resistance and excellent in weather resistance, acid and alkaline corrosion resistance and pollution resistance, and is good in comprehensive performance and long in service life if being used as an outdoor coating.

The invention belongs to the field of powder coating and particularly relates to a continuous pattern type powder coating with a flashing effect as well as a preparation method and application thereof. The powder coating is prepared by binding base powder and aluminum powder, wherein the base powder is prepared from the following raw materials in percentage by weight: 55.6 to 60.8 percent of polyester resin, 4 to 4.2 percent of glycoluril crosslinking agent, 0.18 to 0.22 percent of acid catalyst, 0.8 to 1 percent of leveling agent, 0.9 to 1.1 percent of benzoin, 0.2 to 0.4 percent of pattern assistant, 27.5 to 31.68 percent of filler and 5 to 6 percent of pigment. The preparation method of the continuous pattern type powder coating comprises the following steps of uniformly mixing raw materials, performing melt extrusion by an extruder, and performing tabletting, air cooling, grinding and sieving to obtain the base powder; binding the aluminum powder and the base powder to obtain the power coating; the prepared continuous pattern type powder coating with the flashing effect is cured to obtain a coating film product; according to the powder coating disclosed by the invention, the functions of covering power, color and metal flashing effect of a flash coating and an angle-dependent optical effect are achieved, effective combination of the aluminum powder and an art texture type powder coating with good decorative effect is realized, and a good development prospect is produced.

A high sensitivity, organic solvent developable, high resolution photoresist composition for use in E-beam lithography is disclosed. The composition of the present invention comprises a high sensitivity, soluble, film forming photoresist composition of dendrimeric calix [4]arene derivatives and processes for forming lithographic patterns with a crosslinker selected from glycoluril derivatives capable of reacting with these dendrimer under acid catalysis, a photoacid generator and an organic solvent. The composition of the present invention is particularly useful for production of negative tone images of high resolution (less than 100 nanometers).

The invention relates to a tetrakisglycoluril derivative. The tetrakisglycoluril derivative has the structural formula (shown in the description). The chemical name is 1, 3, 4, 6-tetrakis(1'-methyl-2'-methoxy) ethoxy methyl glycoluril. The preparation method comprises the following steps: dissolving tetrakisglycoluril in excess propylene glycol monomethyl ether; adding a cation exchange resin catslyst, and reacting under the pressure of 0-minus 0.10 MPa and at the temperature of 40-80 DEG C, so as to obtain the tetrakisglycoluril derivative. According to the tetrakisglycoluril derivative provided by the invention, the branched-chain is extended, the molecular space conformation and density are enlarged, and the crosslinking strength and stability of compounds are improved; as a curing agent for powder coatings, the tetrakisglycoluril derivative can ensure that the powder coatings have better high-temperature resistance and weather resistance, and conditions are created for application of the tetrakisglycoluril derivative to the high-grade, precision and advanced fields like aerospace equipment.

The invention belongs to the field of organic synthesis and chemical engineering, which relates to a method for preparing cucurbituril and a cucurbituril derivative. The method comprises the following steps: carrying out a mixed reaction on a glycoluril-aldehyde polymer, an acidic ionic liquid and a solvent or carrying out the mixed reaction on glycoluril, aldehyde, the acidic ionic liquid and the solvent for 1 second to 300 hours at a reaction temperature of 0 DEG C to 300 DEG C; and standing a reaction liquid and cooling after the reaction, thereby separating out the cucurbituril or the cucurbituril derivative in a crystallization manner; or adding an organic solvent after the cooling of the reaction liquid, thereby separating out the cucurbituril or the cucurbituril derivative in a precipitation manner. Compared with the background technology which is strong in corrosivity, serious in acid pollution and low in yield, the synthesis process provided by the invention is environmental friendly, economical and efficient, and has the advantages that the acidic ionic liquid is used for replacing the traditional inorganic strong acid to serve as a catalyst, thereby being environmental friendly; the acidic ionic liquid can be recycled, thereby being economical; the microwave radiation is optimally adopted as a heat source, thereby being efficient.

The invention provides a synthesis and separation method of trans-seven-membered-cucurbituril iQ[7] and belongs to the technical field of organic polymers. The method includes following steps: employing glycoluril and paraformaldehyde with concentrated hydrochloric acid as a medium; performing heating reflux for 5-8 hours; performing a cooling process; performing a dilution process with water being added step-by-step to separate eight-membered-cucurbituril Q[8], six-membered-cucurbituril Q[6], little trans-six-membered-cucurbituril iQ[6] and little ten-membered-cucurbituril with five-membered-cucurbituril Q[5] being included Q[5]@Q[10] which are poor in water dissolvability; concentrating a mother liquid containing five-membered-cucurbituril Q[5], seven-membered-cucurbituril Q[7], little trans-seven-membered-cucurbituril iQ[7] and little hinged fourteen-membered-cucurbituril tQ[14]; carrying the mother liquid onto a chromatographic colum with Dowex cationic exchange resin as an stationary phase; performing a leaching process with a solution composed of water, acetic acid and concentrated hydrochloric acid, wherein a volume ratio of the water, the acetic acid and the concentrated hydrochloric acid is 1:1:(0.01-0.3) to obtain a purified production of the trans-seven-membered-cucurbituril iQ[7]. The method is simple and quick.

The invention relates to a catalyst applied to thermosetting powder coatings, which is used for catalyzing the powder coating with polyester resin end-capped by hydroxyl with low hydroxyl value and 1,3,4,6-tetrakis(methoxymethyl) glycoluril as main base materials so that the coating generates the surface effects including wrinkle, reticulate pattern, moire, spot pattern and the like, and the thermosetting powder coating has superior outdoor weatherability and outstanding decorative property. If the amine-blocked sulfonic acid catalyst, as an indispensible ingredient of the wrinkle thermosetting powder coating, is not used, the coating does not have appearances, such as wrinkle, reticulate pattern, moire, spot pattern and other effects.

The invention relates to an aluminum single board, in particular to a carbon tetrafluoride aluminum single board. The carbon tetrafluoride aluminum single board comprises an aluminum base board layer, a chromizing film layer and a carbon tetrafluoride layer which are sequentially arranged from inside to outside. The carbon tetrafluoride aluminum single board is formed by electrostatically spraying carbon tetrafluoride powder coatings which are composed of the following components in part by weight: 30-60 parts of arcarbon tetrafluoride resin, 5-20 parts of acrylic resin, 1-5 parts of hydroxylalkyl acyl, 3-8 parts of tetramethoxy methyl glycoluril, 1-8 parts of zirconium oxide, 2-6 parts of calcium silicate, 2-5 parts of magnesium oxide, 1-3 parts of silicon-aluminum oxide, 1-25 parts of paint and 1-5 parts of accessory ingredient. The carbon tetrafluoride aluminum single board provided by the invention has excellent chemical resistance, weather resistance, adhesive force and gloss.

The invention discloses a composite oil displacement agent. The oil displacement agent comprises a glycoluril compound, a hydrophobically associating polymer and mineralized water; the glycoluril compound is at least one of glycoluril and tetrakis hydroxymethyl glycoluril; and the mass volume concentration of the glycoluril compound is 50-100 mg/L while the mass volume concentration of the hydrophobically associating polymer is 1000-2000 mg/L. The composite oil displacement agent disclosed by the invention has certain stability, and is beneficial to increasing of the recovery ratio of polymerflooding.

The invention relates to an insulating powder coating, comprising the following components in parts by weight: 35-45 parts of hydroxy acrylic resin, 30-35 parts of carboxyl-terminated polyester resin, 2-6 parts of tetramethoxy methyl glycoluril, 10-40 parts of calcium carbonate, and 0.1-1 part of potassium manganate. The powder coating is decomposed at the curing temperature of 190 DEG C to generate oxygen, so that micropores exist on a film; the micropores have a good respiratory action; and the micropores absorb vapor when the humidity is large, so that the surface is kept dry and the coating plays a moisture-proof role.

Disclosed are trichloroisocyanuric acid compositions that have improved algicidal and/or fungicidal properties yet are relatively safe and non-corrosive. The compositions preferably contain between about 50% and about 95% TCCA, between about 0.5% and about 7% glycoluril, between about 2% and about 40% alum, and between about 2% and about 40% borax. The compositions generate substantially less chlorine gas than would be expected from the teachings of the prior art, especially when wet. The inventive compositions are therefore less toxic and less corrosive.

The invention discloses a PVC (polyvinyl chloride) organic composite heat stabilizer, a PVC product and a preparation method of the PVC product. The PVC organic composite heat stabilizer is prepared from components in parts by mass as follows: 1-5 parts of tetrahydroxyalkyl glycoluril, 1-5 parts of 1,3-dimethyl-6-aminouracil, 0.5-1 part of zinc stearate and 2-2.5 parts of calcium stearate. The PVCorganic composite heat stabilizer is prepared from tetrahydroxyalkyl glycoluril as a main stabilizer by recombination with other synergistic components, stability of the PVC organic composite heat stabilizer is effectively improved, the zinc burning phenomenon of PVC is relieved, and degradation and aging of PVC are improved; 1,3-dimethyl-6-aminouracil in the PVC organic composite heat stabilizerhas capacity of replacing unstable Cl atoms in PVC, and by means of synergy with tetrahydroxyalkyl glycoluril, the chameleon phenomenon of PVC is eliminated or reduced; the heat stabilizer system contains no heavy metal substances and meets the non-toxic and environmental protection concept.

A dual layered intermediate transfer member, such as a belt, that includes a substrate that is coated with a layer of a mixture of a glycoluril resin, and a self crosslinking acrylic resin.

Disclosed are overcoat layers comprising an acrylic resin crosslinked with a glycoluril resin. The overcoat layers are useful in bias charge rollers because they reduce streaking and increase service lifetime.