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Questions tagged [plastics]

For questions relating to the structures, properties, production methods and potential hazards of polymer materials commonly known as plastics

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1answer
927 views

Thermoplatics into Thermosetting plastics

I must confess, I am not a chemistry student but have always been a fan of it, so I am not sure if this is a blunder. I have often wondered if Thermoplastics can ever be converted to or made to ...
1
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1answer
75 views

Suitability of liquid plastic resin for plumbing application

Which synthetic resins are suitable for fabrication of plumbing components e.g pipe sections? I'm trying to find an easy way to mold/house/encase a custom designed data logger. The water temperature ...
2
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1answer
640 views

Does variations in air pressure affect the melting point of PLA and ABS while 3D Printing?

Tight temperature controls are needed to ensure that the filament used in fabrication does not begin to "ooze". In places where the air pressure rises and drops during the course of the day there may ...
2
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2answers
2k views

Polyethylene terephthalate reaction with tap water

I have searched the internet and I found that reusing PET no.1 is dangerous. Why it is dangerous and what is the equation of the reaction between it and water tap ? And why it is not danger to when it ...
5
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1answer
4k views

Chemically Speaking, What's Bad About Inhaling Plastics?

I hear about things like dioxin, but I really don't see what's dangerous about plastics-shouldn't you be ble to just breathe it out, or pass it out of your system? How would it cause cancer?
0
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1answer
104 views

Plastic: Reputable Publications

I would just like some reputable textbooks and or publication companies that have extensive research on plastics, as, for example, dealing with life cycles of plastics, degradation factors, effect on ...
4
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1answer
123 views

What barriers prevent plastic from becoming a fiber optic, data transmission medium?

This is a question that has bothered me for a while. In the past many years, no company has been able to develop a material that can transmit light nearly as well as fiber optic glass, or at least ...
8
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2answers
22k views

Which kind of plastic material would be suitable for a clutch cover on a motorcycle transition?

I'm going to have an online machine shop build a part for me using a CAD drawing that I specify. Typically, these parts are made of aluminium, but this manufacturer also mills parts out of these ...
7
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4answers
1k views

Can flexible plastics have reflective coating (vacuum metalized)?

Is it possible to achieve an optical mirror coating to a flexible plastic part? If vacuum metalization is possible, would the reflective coating layer be durable enough to withstand the bending of a ...
2
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1answer
194 views

Which plastic can be partially broken by pressure easily?

I need to create a container which hold ~150 to 500 ml water. My plan is to create something like a inverse cone. I will apply pressure (~20psi) on the top of the cone and I want to create a hole at ...
0
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2answers
808 views

What are the common names of this two types of plastic?

I need to do some plastic molding design. I want to know the names/types of plastic which are commonly/widely used in industries (please see the pictures below).
6
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1answer
9k views

A thermoset or a thermoplastic?

How do you know if a polymer is a thermoset or a thermoplastic? For example: hydroxybutanoic acid 2-amino-3- hydroxybutanoic acid (I am not sure if these are correct in English) I know what ...
12
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1answer
36k views

What's that tangy smell on cheap plastic?

Most cheap items (from China mostly) have a strong tangy odor to the plastics (or some resin, but I can mostly smell it on plastics). The smell is always consistent over a broad range or products and ...
6
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1answer
14k views

Pipetting strong acid with plastic material

Can I pipette concentrated sulfuric acid using a plastic pipette tip? Will either the plastic or the acid be affected?
5
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1answer
541 views

How is silica bead bonded into polystyrene?

What kind of bonds silica bead forms with polystyrene? Silica is now as ~100 $\mu$m spherical particles in bulk polystyrene that is made by melting. How can I bond the silica particles more tightly ...

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