Dicyandiamide formaldehyde resin is our bwd01 water decoloring agent, which is a new type of high efficient decolorizing coagulant, it has been developed with more than 10 years, with very good stability. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Carfloc d cetramin colorfix dicyandiamide formaldehyde adduct dicyandiamide formaldehyde polymer dicyandiamide formaldehyde resin drasil 507 fixative is fixer is neofix fp nikafloc d nonisold paramel dc. The resin is synthesized from dicyandiamide and formaldehyde under acidic conditions and the degree of polymerization was. It is an important raw material and intermediate for chemical industry. Dicyandiamide, formaldehyde, ammonium chloride resin, cas. In this work, a diglycidyl ether of bisphenola epoxy resin cured by dicyandiamide dicy was modified by adding polyethylene glycol peg with molecular weights of 2000 and 4000 gmol in amounts. Dicyandiamide cas no 461585 material safety data sheet sdsmsds section 1. Dicyandiamide, formaldehyde, ammonium chloride polymer specification the guanidine, ncyano, chloride, compd. Water decoloring agent msds anionic polyelectrolyte polymer. The dicyandiamide formaldehyde resin not only on hydrophobic dispersed dye color removal effect is excellent and of hydrophilic dye in addition to the effect of color is also very good, the dyeing wastewater showed that, less dosage, in addition to the obvious, settling velocity and the processing liquid high clarity, while also reducing cod.
Dicy is also used as a curing agent for epoxy resins and laminates for circuit boards, powder coatings and adhesives. There is no evidence for adverse effects of formaldehyde on embryo and fetal. Water decoloring agent dicyandiamide formaldehyde flocculant 55295982. Chemicalbook provide chemical industry users with dicyandiamide boiling point melting point,dicyandiamide density msds formula use,if you also need to. Alibaba manufacturer directory suppliers, manufacturers. P202 do not handle until all safety precautions have been read and understood. Dicyandiamideformaldehyde resinous compositions american. The present invention discloses a dicyandiamide formaldehyde polymer and a preparation method and applications thereof. A reaction pathway is proposed discussing the formation of cyclic structures, carbonyl groups and. As an online chemical database of china chemicals and chemical suppliers, our website provides the chemical community with the most competitive promotion prices on the market by connecting chemical buyers directly with chemical manufacturers in china. Kenn hodd, in comprehensive polymer science and supplements, 1989. Prefere 14b001, liquid phenol formaldehyde resin chemical name. A process which comprises reacting formaldehyde with a mixture containing dicyandiamide and melamine in a molar ratio between about 8. Keep away from sunlight, sealed in dry place package.
Application dicyandiamide can be used as an organic precursor for synthesizing carbon nitride nanosheets. In the production of carbomideformaldehyde resin as raw material which contains formaldehyde. Eight different formulations were prepared by mixing dgeba resin with a mixture of two curing agents of dicyandiamide dicy and flexible polyoxypropylene diamine jeffamine d400 in the presence and the absence of monuron as an accelerator. Msds number 300000000237 product type phenol formaldehyde resin product use wood adhesives, composites, laminates or related board products manufacturer, importer, supplier hexion specialty chemicals, inc. Component information component ld50 oral ld50 dermal lc50 inhalation water not listed not listed. Dicyandiamide formaldehyde resin is our bwd01 water decoloring agent, which is a new type of high efficient decolorizing coagulant, it has been developed with more than 10 years, with very good stability it is a cationic quaternary polymer with medium molecular. For more information about the substance, you may click one of the links below to take you to the relevant section.
Formaldehyde solution 37 ww, stablized with 1012% methanol classified as hazardous p201 obtain special instructions before use. The two key characteristics of organic coagulants are. Due to its high melting point vicura dicy 100s does not melt during extrusion to produce a homogeneous mixture with the epoxy resin on a molecular scale. You have clicked a page that seems to be very popular. Dicyandiamide material safety data sheet cas no 461585 sdsmsds.
Cyanamide or dicyandiamideformaldehyde polymer patents and. Functionalized dicyandiamideformaldehyde polymers as efficient. Carfloc d cetramin colorfix dicyandiamideformaldehyde adduct dicyandiamideformaldehyde polymer dicyandiamideformaldehyde resin drasil 507 fixative is fixer is neofix fp nikafloc d nonisold paramel dc. Dicyandiamide, formaldehyde, ammonium chloride polymer. It is mainly used for waste water treatment for textile, printing, dyeing, papermaking, mining, ink, and so on. A reaction pathway is proposed discussing the formation of cyclic structures, carbonyl groups and oligomerization products of the glycidyl ether. China formaldehyde resin, formaldehyde resin manufacturers. Dicyandiamde dicy is a strongly alkaline and watersoluble white crystalline compound with the scientific name of cyanoguanidine.
Formaldehyde, 37% ww safety data sheet according to federal register vol. Page 5 of 10 msds formaldehyde respirator with a formaldehyde cartridge may be worn up to 50 times the exposure lim it or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. This safety data sheet is not a guarantee of product specification or npk values. The laboratorymade dicyandiamide formaldehyde polymer is used to study the effect of the flocculation treatment of simulated wastewater of you li suhong eb. Dicyandiamideformaldehyde reaction product american. Program and regulatory information about this substance, including links to epa applicationssystems, statuesregulations, or other sources that track or regulate this substance. This product is a quaternary ammonium cationic polymer. Synthesis of cationic decoloring agent of dicyandiamide. It can be used for color removal treatment for high. Identification of the substancemixture and of the companyundertaking 1. Dicyandiamide is commonly used for the curing of epoxy resins. Agency for research on cancer iarc has classified formaldehyde as a group 1 known human carcinogen based on epidemiological evidence linking formaldehyde exposure to occurrence of nasopharyngeal cancer and leukemia.
Organic coagulants which include polyamines, polydadmacs, dicyandiamide resins and melamine formaldehyde resins. Dicyandiamide material safety data sheet cas no 461585. Also used in woodworking industry in the production of veneer and fireboards. The mixed colloids produced according to this method have properties analogous to those of the resin obtained by reacting dicyandiamide alone with formaldehyde. Mar 31, 2015 this study has examined the toughening of dicyandiamide cured diglycidyl ether of bisphenola dgebabased epoxy resin with a flexible diamine. It is a dimer of cyanamide, from which it can be prepared. In this work, a diglycidyl ether of bisphenola epoxy resin cured by dicyandiamide dicy was modified by adding polyethylene glycol peg with molecular weights of 2000 and 4000 gmol in. The experimental results show that when the dicyandiamide formaldehyde flocculant dosage is 8ml l and ph is acidic or neutral, cod. India veritas house, 70 mint road, fort, mumbai 400 001. Dicyandiamide cas no 461585 material safety data sheet sds msds section 1. Dicyandiamidegeneral, process, products, msds, technology.
Methylene oxide, ac4553, ac4554, 41860, 41883 supplier. Dicyandiamide, formaldehyde, ammonium chloride resin chemical information, properties, structures, articles, patents and more chemical data. Dicyandiamide formaldehyde polycationic flocculation water. Product and company identification product name phenolic resin synonyms epoxy phenol resin chemical formula c6h40c3h50ch2c6h3oc3h50ch2nc6h4oc3h50 company identification. Dicyandiamide dicy an overview sciencedirect topics. A standard grade dicyandiamide for general industrial applications. Cn104004151a dicyandiamideformaldehyde polymer and. Some reaction products were isolated by hplc and characterized by ftir and carbon nmr spectroscopy. This enzyme is an important component of cellular metabolism for the elimination of formaldehyde, a potent irritant and sensitizing agent that causes lacrymation, rhinitis, pharyngitis, and contact dermatitis. A minor component of this product can generate formaldehyde which is listed by osha. The fastness properties of basic dyeings on cellulosic substrates are improved by treating the substrate with a fixing agent comprising a precondensate or mixture ofa the reaction product of an amine with cyanamide, dicyandiamide, guanidine or biguanidine, or,b a quaternary polyalkylene polyamine withc formaldehyde andor,d an. Eight different formulations were prepared by mixing dgeba resin with a mixture of two curing agents of dicyandiamide dicy and flexible polyoxypropylene diamine jeffamine d400 in the presence and the absence of. With the control of the molar ratio of dicyandiamide, ammonium chloride and formaldehyde between 0.
Bwd01 water decoloring agent is a polycationic flocculating agent liquid type consisting of dicyandiamide formaldehyde resin and can be used for decoloringclarification of sewage and colored wastewater from factories including textile dyeing, dye. The process of reacting dicyandiamide and formaldehyde to give a hydrophobe resinous product capable of being hardened, under the influence of heat and pressure, into a relatively water insensible finished material which comprises initiating the reaction by heating a solution in which dicyandiamide and formaldehyde are the principal ingredients. The mechanism of the epoxy resin curing with dicyandiamide was studied using the model phenyl glycidyl ether and different substituted dicyandiamides. And the influencing factors mainly include flocculant dosage, ph and temperature. The chemical is the dimer of cyanamide or cyanoguanidine, which is mainly used in the production of melamine. The application of the dicyandiamideformaldehyde polymer dfp, which is a kind of organic polymer flocculant, as a supporter for conversion of co2 into. For additional information about products that might contain ptertbutylphenol formaldehyde resin or a related substance, go to the household products database online householdproducts. Oct 30, 2018 series form ionicity charge density product example. Safety data sheet of 8 infosafe no 1ch2t issue date. A very high cationic charge densityto neutralize the negative charges present on the surface of the colloidal material. Identification of the substancemixture and of the company. Cyanamide or dicyandiamideformaldehyde polymer patents. Curing of epoxy resins with dicyandiamide springerlink.
It is a nitrification inhibitor that is said to be capable of reducing nitrate no 3 leaching and nitrous oxide n 2 o emissions from grazed pasture soils. Formaldehyde solution 37% revision date 25apr2019 product information oral ld50 category 3. Dicyandiamide formaldehyde polycationic flocculation water decoloring chemicals description. Dicyandiamide 461585 100 common name and cas number synonyms chemical name % composition comments all concentrations are in percent by weight unless ingredient is a gas.
Dicyandiamide formaldehyde polymer for color removal. This study has examined the toughening of dicyandiamidecured diglycidyl ether of bisphenola dgebabased epoxy resin with a flexible diamine. Color removal chemical dicyandiamide formaldehyde resin type for water treatment description. Toughening of dicyandiamidecured dgebabased epoxy resins. In my british patent 323,047, i have described a process by which artificial masses are made from dicyandiamide, formaldehyde and a protein substance. The results showed that the optimum conditions were as flows. Study on the flocculation treatment of simulative dyeing. The human genome contains several nontranscribed pseudogenes related to this gene. Only use products that do not list ptertbutylphenol formaldehyde resin or related chemicals on the label, ingredient list or material safety data sheet msds.
298 1417 207 1101 970 585 1528 252 453 1467 593 199 873 545 1358 831 999 1376 863 24 519 273 1563 1330 511 1189 367 889 1225 1299 213 44 481 1126 1465 1573 1240 835 339 1229 778 601 257 420 506 577