Question that i choosed!

The question that i choosed is question no. 7,which is discuss the role of designer in sustainable packaging design.Discuss the urgent needs and how it contributes to improve the society. The reason i choosed this question is because i feel interesting in packaging design,and i want to know more about their culture,their process and what they do before they really come out with an interesting packaging design.So,for this week,i am going to write about their function,material that they usually used.Here's some sketches.

At first,the functions of packaging is to protect the product from damage or pollution of microogranism during delivering.Other than that,the function of packaging is let us to make our product look neat when the time we put up to shelf in shopping centre or maybe grocery shop,and it also can reduce the wasted space.Packaging design can attract more consumer to buy that particular product.Through packaging design,consumer can get the information of the product easily and can identify the product.It is easier to deliver to somewhere else if we did a packaging for that product.
Material that usually used for packaging design is for category of plastic,there's a plactic which named Polyethylene terephthalate(PET),this kind of plactic is popular for drinks containers.This kind of plastic are all 90% recyclable.Other than PET,polyvinyl chloride(PVC) is also popular for soft drinks containers that are not pressurised.Besides,polythene,a kind of softer plastic which used for plastic bags,squeezy bottle for detergents.
Other than plastics ,tin plate and aluminium are popular material for packaging design too.Tin plate and aluminium are usually used for cans,screw tops,trays,wrappings.The characteristic of this kind of material is they can withstands heat and processing internal pressure of gases.
So,now i understand more about their material using and some of their benefits,and why they want to have packaging design.