US4143092A - Polyurethane-derived plasticizer
A new use for the liquid reaction product of a polyurethane and an amine or alkanol amine at an elevated temperature as a plasticizer for acrylonitrile rubbers in combination with certain ester...
Damage-resistant and healable polyacrylonitrile-derived
Stretchable materials are widely used in various aspects of our daily lives, however, achieving excellent short and long-term damage tolerance in them, i.e., high fracture toughness and fatigue threshold at the same time, remains a challenge. Herein, we report a healable and stretchable material with excepti
Gel electrolytes based on polyacrylonitrile/thermoplastic
Polyacrylonitrile (PAN, average Mw = 150,000) was supplied by Sigma-Aldrich. Thermoplastic polyurethane (TPU) was provided by Wanhua Company, and polystyrene (PS) was purchased from BASF. All raw materials were dried at 60 °C under vacuum for 12 h before use. Preparation of the PAN/TPU/PS nanofibrous membrane
Influence of Organophilic Clay on the Morphology, Plasticizer
Montmorillonite clay was modified with four kinds of quaternary alkylammonium salts to enable the intercalation of polyacrylonitrile (PAN) into the resulting organophilic clay in PC/EC cosolvents. X-ray diffraction experiments revealed that PAN was able to intercalate in the clay galleries.
Characterization of electrospun polyurethane
A system of polyurethane (PU) and polyacrylonitrile (PAN) with a polymer composition of 60:40 electrospun nanofibrous web has been developed as barriers to pesticides liquid (Dimethoate) penetration in protective clothing systems for agricultural workers. Barrier performance of different polymer compositions of PU and PAN layered systems has been evaluated with different areal densities of
- Can polyurethane plasticizer be used for printing ink?
- The results indicated that polyurethane plasticizer were prepared successfully by the partial substitution of petroleum polyols with vegetables oil polyols, castor oil and palm olien, given a very comparable mechanical, optical, thermal and freeze properties. Table 5. Properties of printing inks with standard and prepared polyurethane plasticizer.
- Why do you need a plasticizer for polyurethane?
- Our plasticizers help regulate the properties in polyurethane, making polyurethane more more pliable and easy to extrude so it can be used in many more applications. SANFLEX LBU-25 is an urethane modified polyether type plasticizer with excellent blooming out resistance.
- Which plasticizers are used for polyurethane based sealants?
- SANFLEX products are widely used as plasticizers for polyurethane-based sealants. Plasticizers are used in many products. And Sanyo Chemical America plasticizers are making polyurethane more versatile. Sanyo Chemical America makes a variety of plasticizers with an excellent anti-migration property.
- Can monocizer pb-3a be used as a plasticizer?
- Monocizer PB-3A excels in compatibility as a plasticizer for polyurethane such as TPU, and it can even be used in two-part liquid urethane rolls for cast molding.
- How to prepare PAN fibers with high acrylonitrile monomer content?
- External plasticization through plasticizer is a promising way to prepare PAN fibers with high acrylonitrile monomer content so as to maintain their characteristics.
- How to prepare polyurethane resin Pu?
- Preparation of polyurethane resin PUs were prepared via one shot method in which the blends of the PTMG 2000, vegetable oil polyol (50:50) and chain extender (BD) were mixed gradually with toluene diisocyanate (TDI) in the presence of DBDTL as a catalyst at 60–70 °C and ethyl acetate as a solvent.
