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1、命题考点八 建筑高分子材料的特性与应用（Proposition eight properties and applications of building polymer materials）1A410000 building engineering technology1A412000 building materials1A412000 construction material test section Gufen OnlineProposition eight: properties and applications of building polymer materialsIf yo
2、u encounter any queries during the course of your study, please sign up at the member center and ask questions and answers!textbookI. Building Plastics1. plastic pipes(1) hard PVC pipe: smooth inner wall, little resistance, no fouling, non-toxic, no pollution, corrosion resistance. The service tempe
3、rature is not more than 40 DEG C, so it is cold water pipe. Good aging resistance and flame retardant, rubber ring flexible interface can be installed. Mainly used for water supply pipelines (non potable water), drainage pipes, storm pipes.(2) chlorinated polyvinyl chloride pipe: high temperature, h
4、igh mechanical strength, suitable for compression occasions. Mainly used in hot and cold water pipes, fire hose systems, industrial piping systems.(3) atactic polypropylene pipes: non-toxic, harmless, non rusting, non corrosive, highly acid resistant and chloride resistant. The utility model is suit
5、able for burying and burying in the embedded wall and the ground surface of the floor, and the water flow resistance is small. The utility model is mainly used for drinking water pipes and hot and cold water pipes.(4) butene pipe: high strength, good toughness, non-toxic. Applied to drinking water,
6、hot and cold water pipes. The utility model is especially suitable for pressure pipes of thin wall and small caliber.(5) cross linked polyethylene pipe: non-toxic, sanitary, transparent. Coil used mainly for floor radiant heating system.(6) aluminum plastic composite pipe: safe, non-toxic, corrosion
7、 resistant, no fouling, large flow, little resistance, long life, good flexibility, no rebound after bending, easy installation. Applied to drinking water, cold and hot water pipes.(7) copper complex plastic: non-toxic, antibacterial, no corrosion, no fouling, good water quality, large flow, high st
8、rength, rigidity, heat resistance, frost resistance, durability, long-term use of wide temperature range (-70 to 100 DEG C), good thermal insulation properties than copper. Mainly used for industrial and domestic drinking water, cold and hot water pipeline.2. plastic decorative sheet(1) melamine mel
9、amine laminate laminate: excellent heat resistance (100 DEG C without softening, no cracking, no foaming), hot flame resistance, erosion resistance, abrasion resistance, stain resistance, moisture resistance, scrub resistance, acid resistance, alkali resistance, oil resistance and alcohol solvent, d
10、urable. Often used in metope, cylinder, mesa, furniture, ceiling and other finishes.(2) aluminum plastic composite board: lightweight, durable, has more than Aluminum Alloy much stronger impact resistance and anti sag, free bending and rebound, strong weatherability and good processability, easy mai
11、ntenance, easy maintenance. Widely used in building curtain wall, indoor and outdoor wall, cylinder, top surface treatment.3. plastic wallpaperPlastic wallpaper has a certain flexibility and crack resistance, but also has good decorative effect, superior performance, easy to paste, long service life
12、, Yi Weixiu, maintenance and other characteristics. Plastic wallpaper is widely used at home and abroad as an indoor wall decoration materials, but also for ceiling, Liang Zhu and other places of decorative veneer.4. plastic floorPrefabricated plastic floor type variety, decorative performance, good
13、 performance and wide adaptability, lightweight, wear, comfortable, convenient construction, repair and maintenance.5. plastic doors and windowsPlastic doors and windows, bright colors, no paint, corrosion resistance, anti-aging, insulation, waterproof, sound insulation; 3050 degrees in the environm
14、ent does not change color, does not reduce the original performance, pest control, and non combustion. The utility model is suitable for industrial and civil buildings, and is a replacement product for doors and windows of buildings.6. glass fiber reinforced plasticGlass fiber reinforced plastic has
15、 good chemical resistance and electrical insulation, moisture resistance, moisture resistance, and can be used in some parts of buildings with humidity resistance requirements.Two architectural coatings1. Wood CoatingsSolvent based coatings are used in furniture finishes or interior wood finishes, a
16、nd are often referred to as paints. The traditional paint varieties of edible vegetable oil, varnish, paint, enamel; new wood coatings with polyester resin paint, polyurethane paint etc.2. interior wall coatingInterior wall paint can be divided into emulsion wall paint (including acrylic styrene acrylic latex paint, latex paint, vinyl acetate latex paint), water-soluble i
