This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Identify gun cotton and indicate why it was important in the development of modern plastics. What ... (Read 65 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
on: Aug 19, 2018
Identify gun cotton and indicate why it was important in the development of modern plastics.
 
  What will be an ideal response?

Question 2

What is the first modern plastic that was synthesized with a specific set of properties in mind, who sponsored the work, and when was it done?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nathang24

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Aug 19, 2018
Answer to Question 1

Gun cotton or nitrocellulose is made from cellulose fibers that have been treated with nitric acid. This material was, perhaps, the first plastic since it was a substantial modification of a natural polymer and it could be shaped or formed. It served as the model for several other acid-derived cellulose products such as rayon, celluloid and cellophane.

Answer to Question 2

One correct answer would be Celluloid, invented by James Wesley Hyatt in 1868 . However, the first truly synthetic plastic that was made to a specification was nylon. The work was sponsored by the DuPont Company


nevelica

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Aug 19, 2018
Both answers were spot on, thank you once again


nathang24

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Aug 19, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Effects of growth rate on development. Effects of growth rate on development.
Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
Primary embryonic membrane development Primary embryonic membrane development
Identify each stage of the life cycle Identify each stage of the life cycle
Development Accounting Development Accounting
The ancestral and modern-day tomato. (b) Phenotypic effect of the fw2.2 transgene in the tomato The ancestral and modern-day tomato. (b) Phenotypic effect of the fw2.2 transgene in the tomato
Video: Causes of Acne

For a complete list of videos, visit our video library