Modified polypropylene (PP) is widely used in home appliances, automobiles and other fields because of the excellent properties of its materials. Modified polypropylene products can be found everywhere in our daily lives, so do you know what modified polypropylene is?
Polypropylene is a thermoplastic resin made by polymerizing propylene. Polypropylene is a non-toxic, odorless, odorless milky white high-crystalline polymer with a density of only 0. 90~0. 91g/cm³ is one of the lightest varieties of all plastics available. It is particularly stable to water, and the water absorption rate in water is only 0. 01%, molecular weight of about 80,000 ~ 150,000, good formability, but the shrinkage rate is large, the surface gloss of the parts is good, so it is used in the appearance of parts, shells more.
Modified polypropylene material - Zhongxin Huamei
Because polypropylene (PP) has excellent comprehensive performance and relatively low price, and it is easy to modify, therefore, modified polypropylene (PP) new materials emerge in an endless stream, and the amount of use in automobiles, home appliances, tools and equipment, electronics, construction, computers and other industries is expanding.
It has played a huge role in promoting the development of various modification processes and formulations of polypropylene materials (PP). However, PP materials themselves also have many shortcomings, such as poor aging resistance, toughness to be improved, strength is not high, transparency is not good, flammable, molding shrinkage rate is large, products are easy to warp, etc., these defects limit the application of PP materials in automobiles, home appliances and other industries, so it must be modified. After modifying the polypropylene, the following modified polypropylene can be obtained:
Reinforced polypropylene: According to the different additive materials, it can be divided into glass fiber reinforcement, carbon fiber reinforcement, inorganic powder filling, glass fiber / inorganic powder enhancement, mainly used in containers, electronic appliances, daily necessities structural parts, home appliance structural parts, fan blades, paddle blades, vacuum cleaner parts, refrigerator internal parts, etc.
Antistatic polypropylene: mainly used in home appliance shells, industrial, daily necessities, electronic components packaging materials, etc.
High-gloss polypropylene: there are high-gloss heat-resistant polypropylene, high-gloss spray-free polypropylene, high-phosgene-assisted polypropylene, low-shrinkage high-gloss polypropylene, low-odor high-gloss polypropylene, mainly used in small household appliance shells, bathrooms, foot wash basins, toilet covers, etc.
Heat-resistant polypropylene: mainly used in rice cooker inner cover, middle ring, rice cooker steamer, rice spoon, microwave oven door frame, dishwasher parts, household appliances internal parts, etc.
High impact polypropylene: mainly used in refrigerator components, turnover boxes, seats, etc.
Weather-resistant polypropylene: mainly used in outdoor air conditioner components, outdoor flooring, outdoor products, etc.
It can be seen from the above that there are more pp modification methods, modified polypropylene types are diverse, PP applications are very extensive, and special materials can be prepared to meet the different requirements of all walks of life. Therefore, the modification of PP is developing rapidly, becoming a new material with many varieties and wide applications of modified plastics.
There are many kinds of polypropylene, pp applications are very extensive, can be prepared to meet the different requirements of various industries of special materials. Therefore, the modification of PP is developing rapidly, becoming a new material with many varieties and wide applications of modified plastics.