Question

collect the information about the plastic used in production of utensils used in micro wave oven

Answer 1

Answer:

The plastic used in the production of utensils used in the microwave oven must possess the following properties. It must be able to bear the temperatures up to 235 degrees Fahrenheit for microwave ovens. It must bear the temperatures up to 405 degrees Fahrenheit for dual-oven applications.

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Explanation:

Answer 2

Answer:

Polypropylene

Polypropylene is a vinyl polymer from the polyolefin family a thermoplastic has allowed it to be used. The ability of it to function as a fiber manufacturer many products in the durable and non-durable goods markets. The chemical structure of polypropylene is the result of the polymerization of propylene.  

 

Atactic PP

is characterized by its amorphous and tacky behavior, and lower molecular weight. It provides the same effects as a plasticizer, by reducing the crystallinity of the PP.3 Small amounts of atactic polymer in the final product results in improvements of certain mechanical properties, such as improved low temperature performance, elongation, and processability.

 

Isotactic PP

is formed using a zinc catalyst, which exhibits high yield and high sterospecificity.11 Isotactic PP is the most stereo-regular structures of PP. The high sterospecificity results in a high degree of crystallinity. The increased crystallinity of PP makes it a good replacement for engineered thermoplastics (ETPs). The basic difference between PP and many engineered thermoplastics is that PP is a crystalline polymer where most ETPs are classified as amorphous polymers. Figure 10 shows the mechanical properties of the crystalline polymers versus amorphous polymers.

Polypropylene, like many other thermoplastics, has its own unique characteristics. PP has a density ranging from .880 to .920 gram per cubic inch, which is lower than other engineered thermoplastics, therefore there is a potential for weight reduction.11 INSPIRE� PP produced by Dow Plastics has good heat resistance, and can be used in an constant environment of up to 2200F. INSPIRE polypropylene is resistant to chemical attack from solvents, and chemicals in harsh environments.

Processing :-Manufacturing of polypropylene is performed in a variety of methods.However, food storage containers are normally manufactured by injection or blow molding.

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