peptize

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Related to peptizer: peptide, colloidal

peptize

(pĕp′tīz′)
tr.v. pep·tized, pep·tizing, pep·tizes
To disperse (a precipitate) to form a colloid.

pep′ti·za′tion (-tĭ-zā′shən) n.
pep′tiz′er n.
References in periodicals archive ?
In addition, the peptizer type heavily influences the polymer architecture and elastomer properties.
Differences in polymer architecture can also result from the choice in peptizer used during the mastication process.
Caption: Figure 1--frequency sweep depicting the elastic modulus, G' (*), and viscous modulus, G" ([DELTA]), for natural rubber without peptizer at mastication times of 0, 2 and 10 minutes performed at 130[degrees]C
The major role of the peptizer is to cause chain scission of NR, resulting in a decrease of molecular weight.
The mechanical properties of MRE with the amount of peptizer are listed in Table 2.
The change of MW of the MRE matrix with the addition of the peptizer was examined using MALDI-TOF.
The dosage of chemical peptizer is generally very small; typically only 0.5 parts per hundred of rubber (phr) are used.
Mechanical mastication without use of a chemical peptizer is the preferred method for chain breaking, but improvement of this rather slow and inefficient process is required.
A mixer torque curve (figure 2) comparing HT 105 with a chemical peptizer and a physical peptizer lubricant shows that chemical peptizer results in a much greater reduction in mixing torque than either the mechanical shearing action or the action of an interchain lubricant.
The peptizer's order of addition (with rubber and with carbon black).
The eight mixes are shown as eight comers of a cuboid with the factors (peptizer, oil and order of addition) forming the sides (figure 1).
Similarly, the controlled molecular breakdown of the rubber, particularly NR with peptizer, is by a free radical route.