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A Swedish unit of length approximately equivalent to 27.7 meters. It is used in land measurement.

References in periodicals archive ?

This technique has been used to produce a variety of structures, including simple multi-arm star macromolecules with arms of identical chain length and composition (refs. 10, 36 and 37) and star polymers with arm asymmetry in length and/or composition (refs.

Structure-property relationships--linear and star-branched macrostructures

These two samples were submitted as part of an ASTM study on definitive testing of natural robber (ref. 10).

Utilization of the rubber process analyzer in Six Sigma programs

Toyota has demonstrated that significant improvements in the mechanical properties of nylon can be achieved in this manner (ref. 4).

Elastomeric barrier coatings for sporting goods. (Tech service)

A density of 1.14 g/[cm.sup.3] for these rubbers was previously reported (ref. 8).

Continuous versus batch processing of recycled rubber and plastic blends

A previous work (ref. 20) compared the micro IRHD and micro durometer instruments, looking at the effects of sample thickness, lateral dimensions, bent samples, temperature, retesting a previously measured spot and the effect of the foot force on the type M durometer.

Understanding the IRHD and durometer methods used in rubber hardness testing

Afterwards, the molded parts were submitted to a standard tensile test (refs. 3, 20 and 21) in order to check the adhesion strength.

Multi-component injection-molding of rigid-flexible combinations

These compounds reduce surface polarity, and some can chemically bind filler to polymer (ref. 1).

Silica wet masterbatch: a new process for pre-dispersion of silica in emulsion polymers

Since chain transfer preferentially occurs with large molecules, a branched molecule becomes more branched (ref. 3), generating gigantic molecules, macro-gel.

The science of mixing rubber

Literature reports of efficiencies between 800 and 8,000 g polymer per g vanadium possibly understate the latest developments with vanadium systems; however, it is generally accepted that significantly higher polymer yields are achieved with titanium (ref. 8).

A perspective on some recent developments in metallocene catalysts

He had previously worked on block copolymers produced by difunctional initiation (ref. 9) and he soon made an S-B diblock polymer of about 14% styrene content.

Styrenic TPEs - the pathway to invention

The most general strain energy function (excluding finite compressibility) proposed by Rivlin (ref. 1) is:

Predicting properties of carbon black filled rubber compounds for FEA of tires

This empirical relationship sometimes works quite well; however, it does not have a theoretical basis, therefore it may not always work (ref. 23).