Special Polyether Polyol

This is a high-tech product, which wins national innovation patent. It is a new type environmental-friendly non-halogen, non-phosphorus fire-retardant POP, which is used for flexible PU foam.

Innovation and Advantage:

1. Tested by several professional PU foam manufacturers, it's verified that our POP can reduce the production cost of PU foam by 2-8%. Meanwhile, the properties of PU foam won't be changed but even will be improved. By graft modification, our POP can greatly reduce other raw materials, especially fire-retardant agent which are needed for PU foam production. That is how we save your cost.

2. When close to flame, PU foam made of our POP emits less smoke than others, because ours doesn't need to add any fire-retardant agent. Also, the smoke is white, low-density and nontoxic; Zero VOC, oxygen index 28-36. 

    When approached to flame, the foam surface will turn into black shell shape net and self-extinguish without melting drop. Because of the excellent functions as mentioned above, PU foam made by our POP can easily reach the requirements of every fire-retarding and environment-protecting authentication.

3. With good technical application and compatibility with other PU raw materials, our product is suitable for molding, slabstock foam formation. And it can be used for producing common, high-resilient flexible foam with different density.

4. PU foam made of our POP has good opening-celled capacity, anti-scorching, improves and stabilizes the physical and mechanical property of PU foam.

5. We provide expertise technical services. With a special lab, research and development workshops and an expertise after service team, well develop new optimized compounding based on the original ones of our clients and definitely assure the safe, stable production. We can also supply A-part directly by your order.

Technical Specification:

             Item                  

               Technical Index                 

         Appearance

                   Ivory liquid

          Acid value

              less than 1 mgKOH/g   

       Hydroxyl value

                28-29 mgKOH/g

           Moisture

                 less than 0.1%

           Viscosity

                ≤ 2500 Mpa·s/25

Take high-resilient flexible PU foam an example, the performace as following:
             Item           
            Technical Index       
           Density
              50-60kg/m3
     Tensile strength     
              ≥1k/cm2
    Compression set
                ≤8%
     Rebound degree
               ≥60%
       Oxygen index
               ≥28%
      Smoke density
               ≤50%
 
As fire-retardant flexible foam under US standard #117 with density of 30, we can take a compare of its typical prescription:
 
 PPG
 POP
 TDI 
 Me
 FR
 Others
        Remark
Original prescription 
 
100
 
   0
 
 45
 
18
 
15
 
6
Just for reference, 
please  contact us
 for details
Prescription based 
on our POP
 
60
 
40
 
35
 
0
 
0
 
5
 

Package:

200 liter iron drum

Technique and Rights:

This product, winning the National Innovation Patent (patent No.: ZL011341440), invented by Professor Zhulvmin, who's the leading figure in the field of PU and granted lifetime subsidy by the State Department. Zhejiang U-SUN Group Huzhou Innovative Polyurethane Technology Co., Ltd is entitled to manufacture and Zhejiang U-SUN Import&Export Co., Ltd is entitled to sell.

Why can our Polyether Polyol saves costs while improves the capacity of PU foam?
 
PU foam is a kind of combustible polymer as others, with very low density and large specific surface area. It's easy to combust. When it burns, it'll generate a lot of poisonous smog. Since the high rate of opening cell, the oxygen index without fire-retardant is only 17-18. Due to high ventilation, abundant oxygen is provided continuously, which makes it inflammable and never self-extinguish. Thus modify the bad fire-retarding capacity is very protruding. Many markets such as building material, furniture, cushion, mattress, etc., in which PU foam widely applies, require fire-retarding.
Normally, the capacity of fire retarding is achieved by adding fire-retardant agent that contains halogen or phosphorous, or adopting POP with fire-retardant structure. This can enhance fire-retarding property to postpone combustion, retard smoke and even self-extinguish the inflamming part.
Fire-retarding agent possess following functions: Decompose and generate non-inflammable substance when close to burning temperature; React with foam burning-left substance to generate non-easily-flammable substance; Decompose and generate substance that terminates the oxidation of foam free radical.
There're two ways for fire-retarding: Fire-retarding agent or fire-retardant polyol. Fire-retarding agent takes part in the reactor in form of addition agent. It takes up about 35% of the whole addition agent system. Usually it contains elements like halogen and phosphorous. When approached to fire, it'll generate a great deal of black smoke and poisonous gas, which disables it to be used in the fields that have high requirements, such as fire-retardant and environment protecting. Fire-retardant polyol makes it work by chemical reaction in which polyol is grafted with fire-retardant group and then brought into foam products, which makes polyurethane itself possess fire-retardant function. Our POP product belongs to the second way. By bringing non-halogen and non-phosphorous fire-retardant group into common polyether polyol, there's no need for any fire-retarding agent, and also reduce other raw materials' quantity. which saves production costs; when approached to fire, it generates nontoxic, low density, white smoke, which reaches the requirements of all kinds of International fire-retardant and environment protecting authentication.