China Propylene glycol, Dipropylene glycol Suppliers & Manufacturers - TSR CHEM

URL: https://www.tsrchem.com/dipropylene-glycol-for-hair.html Consumer interest in product labeling and ensuring that everything they use on their skin and body is safe is growing as the clean beauty movement picks up momentum. Naturally, this means that occasionally you'll come across an ingredient that can seem frightening, such as sodium lauryl sulfate, which might irritate and harm your hair follicles, or stearyl methacrylates copolymer, which is a product stabilizer and not at all frightening. But today, we're going to discuss dipropylene glycol for hair (abbreviated DPG), a substance that may seem complex and concerning but is actually pretty safe. To learn more about dipropylene glycol, continue reading. Benefits of Dipropylene Glycol for Hair Although it doesn't generally offer many advantages for hair, dipropylene glycol aids in product formulation. It is utilized in products including shampoos, conditioners, and styling aids and is non-...

URL: https://www.tsrchem.com/what-is-dipropylene-glycol.html Dipropylene glycol , also known as dipropanol, one-shrink dipropylene glycol, shrink dipropylene glycol, 4 oxygen-2,6-hexadiol, 1,1-oxygen-2-2-propanol, 2-hydroxypropyl ether, 2,2-dihydroxydipropyl ether, etc., or DPG Dipropylene glycol is an odorless, colorless, sweet, water-soluble, and hygroscopic liquid at room temperature. Solsoluble in water and toluene, it can be miscible in methanol and ether, and is spicy and sweet and non-corrosive. Little skin irritation and very low toxicity. In the case of an open fire, high heat is combustible.It can form an explosive mixture with the air. Suitable for flavors, spices, cosmetics, and other products sensitive to smell. The molecular formula is C6H14O3. Main application Dipropylene glycol finds many uses as a plasticizer, an intermediate in industrial chemical reactions, a polymerization initiator or monomer, and as a solvent. Its low toxicity and solvent proper...

URL: https://www.tsrchem.com/polyurethane-adhesives-have-become-one-of-the-most-promising-adhesive-species.html Adhesive consumption will still grow at a rate of 8%-10%, and its development direction can be divided into six categories, of which, PU adhesives have become one of the most promising domestic adhesive species A.Low formaldehyde emission urea-formaldehyde glue It accounts for about 30% of the total synthetic adhesives, with the people's environmental requirements for man-made panels will be higher, low formaldehyde emission urea-formaldehyde glue market has great potential. B.Hot-melt adhesive This adhesive does not use organic solvents, and the construction of rapid, good bonding effect, is the fastest growing market demand in recent years, but also the future direction of development. In addition to the traditional EVA hot melt adhesive, but also the urgent need to develop new varieties of polyester adhesive, polyamide hot melt adhesive. ...

URL: https://www.tsrchem.com/polyurethane-structure-and-properties.html There are not many kinds of basic structures of polyurethane, which are generally called systems in the industry; such as MDI system foam or prepolymer, TDI system sponge, polyester type sponge, polyether type or even special tetrahydrofuran type polyether prepolymer or thermoplastic granules, etc. First of all, the system generally refers to the main isocyanate types in the formulation, such as the common TDI system and MDI system, of course, there are also special NDI system and aliphatic isocyanate system, etc., the common ones are basically TDI or MDI, after determining the system, according to the different oligomers are broadly divided into polyether polyurethane and polyester polyurethane, and then subdivided can have caprolactone, tetrahydrofuran, carbonate and other polymerized oligomer types, from the reactivity can also be further distinguished, today we mainly look at the differences and pr...

URL: https://www.tsrchem.com/polyurethane-foam-includes-polyurethane-rigid-foam-and-polyurethane-flexible-foam.html Rigid polyurethane foam, referred to as polyurethane rigid foam, which is second only to polyurethane flexible foam in the amount of polyurethane products. I. Polyurethane Rigid Foam Basic Knowledge Polyurethane rigid foam is mostly closed-cell structure, which has excellent characteristics such as good insulation effect, light weight, high specific strength and convenient construction, and also has the characteristics of sound insulation, shockproof, electric insulation, heat resistance, cold resistance and solvent resistance, etc. It is widely used as insulation material for refrigerator and freezer's box insulation layer, cold storage and refrigerated car, building, storage tank and pipeline insulation material, and a small amount is used for non-insulation occasions, such as imitation wood and packaging material, etc. Generally speaking, the low...

URL: https://www.tsrchem.com/a-kind-of-allergen-propylene-glycol.html An annual competition sponsored by the American Contact Dermatitis Society (ACDS) yields prizes akin to the movie industry's Rotten Tomatoes award. The allergen of the year is announced. This year's winner is a substance found in several meals, pharmaceuticals, topical skin care items, and cosmetics.Since the 1930s, propylene glycol (PG) has been sold commercially in the US. After a study revealed it could sanitize the air, it became a highly popular ingredient in air fresheners. PG is a practical, adaptable, and versatile chemical. It serves as a texturing agent, humectant, dough strengthener, antibacterial, emulsifier, flavoring, and anti-caking agent. It works well for skin conditioning. And it has no smell. This particular contact allergy is important to understand for 2 reasons. PG is a cunning character in the first place since it has been challenging to ascertain how frequently it is a cont...

URL: https://www.tsrchem.com/what-is-1-4-butanediol.html 1,4-butanediol is an organic substance with the molecular formula C4H10O2 and a molecular weight of 90.12. Appearance is a colorless or pale yellow oily liquid.It also named 1,4-butyleneglycol; tetramethylene glycol; 1,4-butylene glycol; 75% 1,4-butanediol; butane-1,4-diol; butane-1,1-diol. 1,4-butanediol was flammable with a freezing point of 20.1 °C and a refractive index of 1.4461. 1,4-butanediol can be soluble in methanol, ethanol, and acetone; it is slightly soluble in ether; it is hygroscopic; it has a bitter smell; and its entrance is slightly sweet. 1,4-butanediol is used as a solvent and humidification agent, but also for plasticizers, drugs, polyester resin, polyurethane resin, etc. Preparation method The acetylene method First made 1,4-butyrylene diol at 98 kPa, 80–95 °C, in the presence of Cu–Bi catalyst. The latter is catalyzed by 1.372-2.06 MPa nickel at 50–60 °C to form 1,4-butadiate...