Examples of 'rigid foams' in a sentence
Meaning of "rigid foams"
rigid foams: a type of foam material that is stiff and not easily compressed
How to use "rigid foams" in a sentence
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rigid foams
Polyurethanes are used to manufacture flexible and rigid foams.
These syntactic rigid foams have a bimodal cell structure.
The product can be used in making rigid foams.
The best insulating rigid foams are low density foams ca.
Rigid foams are used in thermal insulation and as shock absorption.
Polyols for rigid foams.
Foams that do rupture under this test are referred to as rigid foams.
The most widely sold rigid foams are polyurethanes and phenolics.
Foams are further categorized into flexible and rigid foams.
Carefully specified flexible and rigid foams allow us to provide the optimal.
Polyurethanes are also used in coatings and in flexible and rigid foams.
Method for producing polyurethane rigid foams and polyisocyanurate rigid foams.
Water often is used as a blowing agent in both flexible and rigid foams.
Open pore rigid foams which contain carbon component parts are also known.
The polyether polyols can be used in the production of molded rigid foams.
See also
Rigid foams and processes for their production are well known in the art.
Polyether polyols are preferably used to produce rigid foams in accordance with the present invention.
Rigid foams have been used in the auto and other industries for a number of purposes.
The polyols blends are particularly useful in polyol formulations for making appliance rigid foams.
Most rigid foams that are produced in Canada are manufactured with polyurethane or polystyrene.
Experiments have shown that the process conditions for preparing the rigid foams are relatively demanding.
Closed-cell rigid foams are used as thermal insulation, for example in refrigerators.
A method according to claim 1 for the preparation of rigid foams.
The polymers can be elastomers, rigid foams or flexible foams.
Tannin based rigid foams are low-density and high porosity materials.
The resulting polyurethane foams can be rigid foams or non-rigid foams.
Rigid foams containing isocyanurate and / or urethane linkages are known in the art.
Within the polyolefin segment, rigid foams can be produced using polyethylene or polypropylene.
Rigid foams are produced using the formulations given in Table 1.
Mechanical properties, flexible / soft and rigid foams - impact absorption.
Rigid foams were prepared from the formulations set forth in Table 1 below.
The isocyanate index in preparing such rigid foams is preferably from 90 to 400.
Rigid foams for refrigerator and freezer thermal insulation systems . This is flexible and.
In 1967, urethane-modified polyisocyanurate rigid foams were introduced, offering even better thermal stability and flammability resistance.
The rigid foams are flexibilized in order to use them for e.g. pipe-insulation.
In some embodiments, finished rigid foams have high insulating values, typically expressed as a “ k value . ”.
For rigid foams the preferred functionality is 2 to 8 and most preferably 3 to 5.
In contrast, rigid foams are not very suitable for sound-deadening.
EXAMPLE 1 Rigid foams were prepared from the ingredients listed below in Table 1.
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