who DOESN'T baby oil their TPE? how's it working for you?
Re: who DOESN'T baby oil their TPE? how's it working for yo
Re: who DOESN'T baby oil their TPE? how's it working for yo
Is that long patent read's conclusion is that oil is needed occasionally to retain elasticity? or does it say extra oil, is not needed?RGC_0767 wrote:Here is the scientific proof for the most part Mandos. A fair size read, but I can confirm it to be the case by my own small experiments with TPE raw pellets. And get the material really really soft.mandos wrote:Yeah I do not oil my dolls much, I use it for stain and make-up removal though, it is excellent for this. Never seen any evidence of drying out, even on the 5 year old TPE´s that has been washed several times with soap - although I have now recently given away those dolls so I can no longer say how they look. For some of the newer and very soft TPE dolls they seem to be already dripping with oil, it feels very wrong to add even more oil to such a doll IMHO, but I know my view on this matter is not very popular around these parts so I usually keep my mouth shut as I have no scientific evidence to back this up.
Super-soft thermoplastic elastomers : https://patents.google.com/patent/EP2566920A2/en
Sheds clearer light on things anyway.
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Re: who DOESN'T baby oil their TPE? how's it working for yo
Re: who DOESN'T baby oil their TPE? how's it working for yo
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Re: who DOESN'T baby oil their TPE? how's it working for yo
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Re: who DOESN'T baby oil their TPE? how's it working for yo
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Re: who DOESN'T baby oil their TPE? how's it working for yo
Well besides the material becoming noticeably harder, I would say when it begins to feel dry to the touch. Healthy TPE is supposed to feel a LITTLE oily. (Perhaps "silky" would be a better description as it shouldn't feel like a grease rag either) So if it's dry as a bone with no powder having been applied, then it's time for an oil treatment.Larry427 wrote:So, how do you know when the TPE is drying out?
Although this should be a rare occurrence for a doll kept in a normal environment.
The only time that I have noticed this with my lady has been when she was left sitting on a bed sheet for a long period of time and her entire back side had become dry due to the TPE oils being extracted by the sheet. (There is a scientific name for this process but it escapes me at the moment)
But at any rate, I just applied the baby oil and she was good as new.
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Re: who DOESN'T baby oil their TPE? how's it working for yo
It just shows in a processing way how much oil they add to get super soft elastomers.abcguyxyz wrote:Is that long patent read's conclusion is that oil is needed occasionally to retain elasticity? or does it say extra oil, is not needed?RGC_0767 wrote:Here is the scientific proof for the most part Mandos. A fair size read, but I can confirm it to be the case by my own small experiments with TPE raw pellets. And get the material really really soft.mandos wrote:Yeah I do not oil my dolls much, I use it for stain and make-up removal though, it is excellent for this. Never seen any evidence of drying out, even on the 5 year old TPE´s that has been washed several times with soap - although I have now recently given away those dolls so I can no longer say how they look. For some of the newer and very soft TPE dolls they seem to be already dripping with oil, it feels very wrong to add even more oil to such a doll IMHO, but I know my view on this matter is not very popular around these parts so I usually keep my mouth shut as I have no scientific evidence to back this up.
Super-soft thermoplastic elastomers : https://patents.google.com/patent/EP2566920A2/en
Sheds clearer light on things anyway.
It really does not conclude of post production. But a small bit of oil every few months on surface will do no ill.
Again, I did try experimenting with a firm raw pellet and using some of what this article says does make the material softer by way of mineral oil. Copy and paste...
Styrenic block co-polymers (SBCs) and paraffinic / white mineral plasticizer oils are of great interest to make very soft TPE compounds. SBCs are compatible with such oils, and compositions with greater than 85% oil are now possible , yielding gels with Shore OO hardness of 25 Shore OO or less, which do not bleed oil in end-use applications in a temperature range of from 45°F to 110°F.
So this provides a bit of insight. There may be very slight absorption from blankets and clothes over time, but nothing a little wipe of mineral oil will replenish every few months.
I've found when dolly had a bit more oil than she needed she gets stains easier. Since backing off on oil, she's not getting any stains.
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Re: who DOESN'T baby oil their TPE? how's it working for yo
I have had my WM160 about 1.5 months now. I have given him two baths with the tpe safe cleaner from RLSD (one powder when I first got him). No oil yet as he is still leaving oil spots on the sheets. I took that to mean he doesn’t need any.Stewie studmuffin wrote:Well besides the material becoming noticeably harder, I would say when it begins to feel dry to the touch. Healthy TPE is supposed to feel a LITTLE oily. (Perhaps "silky" would be a better description as it shouldn't feel like a grease rag either) So if it's dry as a bone with no powder having been applied, then it's time for an oil treatment.Larry427 wrote:So, how do you know when the TPE is drying out?
Although this should be a rare occurrence for a doll kept in a normal environment.
The only time that I have noticed this with my lady has been when she was left sitting on a bed sheet for a long period of time and her entire back side had become dry due to the TPE oils being extracted by the sheet. (There is a scientific name for this process but it escapes me at the moment)
But at any rate, I just applied the baby oil and she was good as new.
My question was also how to know when it’s dry. I suppose this will be a bit trial and error. Maybe test a patch and see how quickly the oil absorbs? I have read the threads about overdoing the oil and he is still new, so I guess I will see how it goes.
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Re: who DOESN'T baby oil their TPE? how's it working for yo
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Re: who DOESN'T baby oil their TPE? how's it working for yo
Re: who DOESN'T baby oil their TPE? how's it working for yo
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Re: who DOESN'T baby oil their TPE? how's it working for yo
Except one from a certain brand (2018) feels like a shark and will probably oil her soon. I agree that unless the tpe feels like it could benefit from oil, I would not oil.
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Re: who DOESN'T baby oil their TPE? how's it working for yo
Knowing when TPE is dry and needs to be oiled is a difficult question to answer. I don't know if anyone can say for sure as it can depend on the TPE blend, the age of the doll, and the conditions in which the doll is stored. Particularly the heat and humidity levels.ShadowCat wrote: I have had my WM160 about 1.5 months now. I have given him two baths with the tpe safe cleaner from RLSD (one powder when I first got him). No oil yet as he is still leaving oil spots on the sheets. I took that to mean he doesn’t need any.
My question was also how to know when it’s dry. I suppose this will be a bit trial and error. Maybe test a patch and see how quickly the oil absorbs? I have read the threads about overdoing the oil and he is still new, so I guess I will see how it goes.
In the case of my doll, I was told to give her an mineral oil treatment every once in a while. But how often "every once in a while" is is anyone's guess!
But if your doll is still leaving oil spots, then I wouldn't worry about adding any oil. Once you don't notice any more oil spots, I would begin thinking about doing an oil treatment.
And if the material is beginning to feel dry to the touch then I would definitely add some oil.
Although in my experience this will take a while to manifest. I actually had my lady for over four years before I gave her an oil treatment and there have been no problems with the material breaking down. That's not to say that she couldn't have used a good oiling before then, but I haven't seen any ill affects from waiting that long.
As for how long it takes the oil to absorb, it will depend on how much oil is still retained in the material. If a doll was beginning to get a little dry like mine was, then the oil will be absorbed more quickly. On the other hand, applying oil when not needed will just result in the doll staying oily longer. So yeah, applying a little oil to a small spot and seeing how quickly it is absorbed may be a good test.
On another note I have also seen some dolls with cracks in the material that has been attributed to over-dryness. Although I would think that the doll would have to be stored for an extended period of time in a pretty extreme environment for that to happen. Such as an airtight metal storage container like they use on ships. (They could get as hot as an oven in direct sunlight)
But if a doll wasn't stored in that manner and was beginning to show cracks after just a few months (especially if not in high stress areas such as the crotch and armpits) then I would say that a bad batch of material is to blame rather than simply needing an oil treatment.
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Re: who DOESN'T baby oil their TPE? how's it working for yo
A questions for those of you who don't oil. How often are you cleaning and powdering them? I imagine that must effect the rate of the tpe drying out.
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