Search engine for discovering works of Art, research articles, and books related to Art and Culture
Javascript must be enabled to continue!
Polyurethanes
View through CrossRef
AbstractThe article contains sections titled:1.Introduction2.Basic Reactions3.Starting Materials3.1.Polyisocyanates3.1.1.Aromatic Polyisocyanates3.1.2.Aliphatic Polyisocyanates3.1.3.Blocked Isocyanates3.2.Polyols3.2.1.Polyether Polyols3.2.2.Polyester Polyols3.2.3.Polycarbonate Polyols3.2.4.Other Polyols3.3.Diamines and Amino‐Terminated Polyethers3.4.Special Building Blocks3.5.Catalysts and Additives4.Structure and Morphology4.1.Polyurethanes Without Segmented Structure4.2.Polyurethanes with Segmented Structure4.2.1.Hard and Soft Segments4.2.2.Segregation and Morphology4.3.Cross‐linking of Polyurethane4.4.Polyisocyanurates5.Production of Polyurethanes5.1.Stoichiometry5.2.Reaction without Solvents5.2.1.One‐Shot Process5.2.2.Prepolymer Processes5.3.Reaction in Solvents5.3.1.One‐Component Systems5.3.2.Two‐Component Systems5.4.Reactive One‐Pack Systems5.5.Other Processes6.Processing of Polyurethanes6.1.Supply, Storage, and Preparation of Raw Materials6.2.Metering and Mixing Technology6.3.Processing Plants7.Foams7.1.Flexible Foams7.1.1.Flexible Slabstock Foam7.1.1.1.Raw Materials7.1.1.2.Production7.1.1.3.Properties7.1.1.4.Trimming and Processing7.1.1.5.Applications7.1.2.Molded Flexible Foam7.1.2.1.Production7.1.2.2.Molding Process7.1.2.3.Properties7.1.2.4.Applications7.2.Semirigid Foams7.2.1.Applications7.2.2.Production7.2.3.Properties7.3.Rigid Foams7.3.1.Raw Materials7.3.2.Processing7.3.3.Properties7.3.4.Special Types7.4.Integral Skin Foams and RIM Materials7.4.1.Applications7.4.2.Production7.4.3.Properties8.Noncellular Polyurethanes8.1.Cast Elastomers8.1.1.Applications8.1.2.Production8.1.3.Properties8.2.Thermoplastic Polyurethane Elastomers (TPU)9.Polyurethane Coatings10.Polyurethane Adhesives11.Polyurethane Fibers12.Polyurethanes and Isocyanates as Binders13.Special Products14.Safety and Ecology14.1.Safety Precautions when Handling the Raw Materials14.2.Emissions, Accidental Release, and Waste Disposal14.3.Recycling/Recovery of Polyurethanes14.4.Fire Performance of Polyurethanes15.Economic Aspects
Title: Polyurethanes
Description:
AbstractThe article contains sections titled:1.
Introduction2.
Basic Reactions3.
Starting Materials3.
1.
Polyisocyanates3.
1.
1.
Aromatic Polyisocyanates3.
1.
2.
Aliphatic Polyisocyanates3.
1.
3.
Blocked Isocyanates3.
2.
Polyols3.
2.
1.
Polyether Polyols3.
2.
2.
Polyester Polyols3.
2.
3.
Polycarbonate Polyols3.
2.
4.
Other Polyols3.
3.
Diamines and Amino‐Terminated Polyethers3.
4.
Special Building Blocks3.
5.
Catalysts and Additives4.
Structure and Morphology4.
1.
Polyurethanes Without Segmented Structure4.
2.
Polyurethanes with Segmented Structure4.
2.
1.
Hard and Soft Segments4.
2.
2.
Segregation and Morphology4.
3.
Cross‐linking of Polyurethane4.
4.
Polyisocyanurates5.
Production of Polyurethanes5.
1.
Stoichiometry5.
2.
Reaction without Solvents5.
2.
1.
One‐Shot Process5.
2.
2.
Prepolymer Processes5.
3.
Reaction in Solvents5.
3.
1.
One‐Component Systems5.
3.
2.
Two‐Component Systems5.
4.
Reactive One‐Pack Systems5.
5.
Other Processes6.
Processing of Polyurethanes6.
1.
Supply, Storage, and Preparation of Raw Materials6.
2.
Metering and Mixing Technology6.
3.
Processing Plants7.
Foams7.
1.
Flexible Foams7.
1.
1.
Flexible Slabstock Foam7.
1.
1.
1.
Raw Materials7.
1.
1.
2.
Production7.
1.
1.
3.
Properties7.
1.
1.
4.
Trimming and Processing7.
1.
1.
5.
Applications7.
1.
2.
Molded Flexible Foam7.
1.
2.
1.
Production7.
1.
2.
2.
Molding Process7.
1.
2.
3.
Properties7.
1.
2.
4.
Applications7.
2.
Semirigid Foams7.
2.
1.
Applications7.
2.
2.
Production7.
2.
3.
Properties7.
3.
Rigid Foams7.
3.
1.
Raw Materials7.
3.
2.
Processing7.
3.
3.
Properties7.
3.
4.
Special Types7.
4.
Integral Skin Foams and RIM Materials7.
4.
1.
Applications7.
4.
2.
Production7.
4.
3.
Properties8.
Noncellular Polyurethanes8.
1.
Cast Elastomers8.
1.
1.
Applications8.
1.
2.
Production8.
1.
3.
Properties8.
2.
Thermoplastic Polyurethane Elastomers (TPU)9.
Polyurethane Coatings10.
Polyurethane Adhesives11.
Polyurethane Fibers12.
Polyurethanes and Isocyanates as Binders13.
Special Products14.
Safety and Ecology14.
1.
Safety Precautions when Handling the Raw Materials14.
2.
Emissions, Accidental Release, and Waste Disposal14.
3.
Recycling/Recovery of Polyurethanes14.
4.
Fire Performance of Polyurethanes15.
Economic Aspects.
Related Results
Low Ecological Impact Lignin-Based Flame Retardants for Polyurethane Foams
Low Ecological Impact Lignin-Based Flame Retardants for Polyurethane Foams
The flammability of polyurethane is a great safety hazard, threatening both lives and goods. Recognizing this, efforts to enhance the fire resistance of polyurethanes can be pursue...
Reprocessable Non-Isocyanate Polyurethane Vitrimers
Reprocessable Non-Isocyanate Polyurethane Vitrimers
Non-isocyanate polyurethanes (NIPUs, polyhydroxyurethanes, PHUs), have emerged as sustainable alternatives to conventional isocyanate-polyol polyurethanes. However, the permanent c...
Polyol and polyurethane foam from cellulose hydrolysate
Polyol and polyurethane foam from cellulose hydrolysate
AbstractBACKGROUNDAt present the majority of polyurethanes, including polyurethane foams (PUF), are obtained from petrochemical substrates. However, green chemistry policy worldwid...
Sulfur‐Containing Polymers
Sulfur‐Containing Polymers
AbstractThis review describes methods of synthesis and some more interesting properties of the various new sulfur‐containing polymers, with particular regard for their potential ap...
Sulfur‐Containing Polymers
Sulfur‐Containing Polymers
AbstractThis review describes methods of synthesis and some more interesting properties of the various new sulfur‐containing polymers, with particular regard to their potential app...
Sulfur‐Containing Polymers
Sulfur‐Containing Polymers
AbstractThis review describes methods of synthesis and some more interesting properties of the various new sulfur‐containing polymers, with particular regard for their potential ap...
Incorporation of Fiber Bragg Sensors for Shape Memory Polyurethanes Characterization
Incorporation of Fiber Bragg Sensors for Shape Memory Polyurethanes Characterization
Shape memory polyurethanes (SMPUs) are thermally activated shape memory materials, which can be used as actuators or sensors in applications including aerospace, aeronautics, autom...
Biodegradation of Polyurethanes
Biodegradation of Polyurethanes
AbstractIntroductionMicrobial Biodegradation of PolyurethaneEnzymatic Degradation of Polyurethanes Containing Polyester Segment (ES‐PUR)Enzymatic Hydrolysis of ES‐PUREffect of Poly...