How to increase the coefficient of friction for flexible PVC

[DrPhilH]

Hi Guys

I was hoping a few of you might be able to help me out.

I have recently developed a new product that incorporates an inflated PVC bladder (rotational molded). I need to increase the grip levels (i.e. increase the coefficient of friction) when in contact with laminate flooring.

Does anyone have any information on what PVC additives / composition improves the grip? or could point me in the right direction?

Thanks in advance

 

[tnatale]

To modify the formulation, I'd look at adding a filler that has a "sharp" profile, perhaps some kind of silica or perhaps look at the paint anti-skid additives.

My first choice would be to leave the formulation as is and add an abrasion step after molding.

 

[DrPhilH]

Thanks for your response tnatale.

I will look into a filler however I am not keen to increase the abrasion level of the material as it could damage the flooring. I would like to change the 'stickiness' if possible. Do you know what additives would be best?

Thanks

 

[Demon3]

PVC flooring is all coated with polyurethane to increase the friction and improve wear resistance. This is huge business so you can get a cheap, high volume commercial product and apply it to PVC. One supplier is Lord in the UK.

Chris DeArmitt
Plastic & Additives Webinars
Training the Fortune 500 since 2003

http://www.plastictraining.com

 

[dwightdixon]

If this bladder is specifically molded for you, the pvc supplier to the processor can easily add a tackifier to the formulation. Talk to your processor and have him contact the pvc supplier. If it is not specific to you, a softer compound will have higher COF.