What polymer should I use instead of polycarbonate

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In summary, the conversation is about finding a suitable polymer for rodent housing. The person is considering polycarbonate due to its high impact strength and lower cost, but is concerned about its ability to remain clear when exposed to various conditions and chemicals. The person also mentions the high cost of polycarbonate and is looking for alternative materials that are less expensive but still meet the required properties of being clear, scratch-resistant, easy to clean, safe, durable, and malleable. The conversation also discusses the use of acrylic in commercially available models, but mentions its disadvantages such as being easily cracked and scratched. The possibility of using thick glass with shock absorber strips is also mentioned, but dismissed due to its high manufacturing and delivery costs. In
  • #1
jjssj
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The polymer is to be used for rodent housing (cage).

I need to find a polymer which has the properties shown below.

Polycarbonate

Before I go into the specification required, I have researched and have come up with polycarbonate.
As it has high impact strength, is 200x stronger than glass, and is cheaper. This polymer has many more features that are brilliant.

However there are problems with this material that I would like to overcome.
How long the material will stay clear when subdued to the following;
1. Hot water (50c)
2. Animal cleaning agents
3. Fairy liquid
4. Manual cleaning with sponge/cloth
5. Scratches created by the rodent

Basically all the operations/chemicals above must not create any scratches or cause the polymer to fog up until a long time; it must stay clear as possible. White scratches are more of a problem than the depth of the scratch.

I am unclear on the information provided but I believe polycarbonate is not designed to stay clear under these circumstances.
The material would be cleaned at least once a week

One of the most aspects of not using polycarbonate is the price that it is at.
The material has a huge impact on final price of the product. As polycarbonate is quite expensive compared to other polymers, it makes the total cost of the product high, therefore customers will have to pay a higher price than the average price of a cage. (Even if the material is better)

These are the properties the polymer requires;

[Clear] As transparent as possible, let's in 100% light (If possible)
High Scratch Resistant
Easy to clean, with hot water, mild cleaning agents and not get scratched or change in the light coming through the polymer, until a long time.
Safe for human and animal contact
Durable, the material will last long
Strong and tough i.e. if dropped from a table it will not crack or cause any large imperfections on the surface.
Very malleable, easy to machine, mould
Not too brittle

Sorry for the long explanation I’m a college student.
Thanks for any help it will be much appreciated
 
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  • #2
What materials are used in commercially available models? The small aquarium I have is acrylic.
 
  • #3
pantaz said:
What materials are used in commercially available models? The small aquarium I have is acrylic.

Yes majority of the current designs use acrylic however this material is the reason/problem why i want to design my own cage using different material


Advantage over polycarbonate
Even though acrylic is cheaper than polycarbonate or other materials.

Some disadvantages of acrylic

It is easily cracked through delivery (even when well packaged adding extra costs for this protection).
If mishandled whilst cleaning the cage i.e. dropped it can easily crack too, this may happen to someone cleaning the cage.
Gets scratched by majority of objects (the material is not very hard)


The problem with the current cages are;
Difficult to clean due to complex shapes/heaviness as a result of this the cage becomes difficult to see inside due to cleaning (manual, cleaning agents etc...)
Therefore it is difficult for people and the owner to see inside.

The reason i posted this is to find if there were any similar types of polymers that cost less than polycarbonate as this is the only disadvantage polycarbonate really has. The material can have lower valued features from the polycarbonate i.e. less impact strength.

The main aspect that the material must have is to remain clear as long as possible when being cleaned by us and scratched by the rodent,
Not easily damaged whilst being handled by people (mainly the surface, no white marks).
Good strength/ very good hardness
Chemically resistant to mild cleaning agents
The rest are written the first post

Thanks again for any help
 
  • #4
Thick glass? Put in some rubber or silicone shock absorber strips, and it could probably survive a fall or few.
 
  • #5
MATLABdude said:
Thick glass? Put in some rubber or silicone shock absorber strips, and it could probably survive a fall or few.

That was the first thing that came to mind however glass is has high manufacturing costs and delivery due to its heaviness.
The size is approx 600mm x 400mm x 580mm, (LxWxH 2 floors) and if it was made out of thick glass it would be so heavy i think an adult would just about be able to pick it up let alone a child. (20kg)
Im lookn at around 5kg for weight which is still heavy for a child however two children at both ends should be able to manage.

Im talking to various plastic companies so the product is still in the research/design stage

Thanks for the suggestion
 
  • #6
I think lexan™/Polycarbonate is going to be your best bet.
 

1. What are the main differences between polycarbonate and other polymers?

Polycarbonate is a versatile and durable polymer that is known for its high impact strength and resistance to heat and chemicals. However, it can be expensive and may not be suitable for all applications. Some alternative polymers may offer better cost-effectiveness, different physical properties, and improved compatibility with certain chemicals.

2. What are the specific properties I should consider when choosing an alternative to polycarbonate?

The properties to consider depend on the specific application and requirements. Some common properties to consider when choosing a polymer alternative to polycarbonate include impact strength, heat resistance, chemical resistance, optical clarity, and cost-effectiveness.

3. What are some alternative polymers to polycarbonate that have similar properties?

Some alternative polymers to consider that have similar properties to polycarbonate include acrylic, polyethylene terephthalate (PET), and polystyrene. These polymers are known for their impact strength, heat resistance, and optical clarity.

4. Are there any specific industries or applications where polycarbonate may not be the best choice?

While polycarbonate is a versatile polymer, there may be specific industries or applications where it may not be the best choice. For example, in applications where chemical resistance is critical, a polymer such as polypropylene may be a better alternative. In the automotive industry, where weight reduction is important, a polymer like polyethylene may be a better choice.

5. How can I determine which polymer is the best alternative to polycarbonate for my specific application?

The best way to determine which polymer is the best alternative to polycarbonate for your specific application is to consult with a polymer expert or conduct thorough research. Factors such as the required properties, cost, and processing methods should be carefully considered when making a decision. Conducting tests and trials with different polymers may also be helpful in determining the best alternative for your specific application.

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