PEROXIDES FOR THERMOSETTING RESINS

Ketone peroxides


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Organic peroxides are sources of radicals, and it is in this capacity that they are used primarily in the polymer industry. Although used in small quantities, peroxides are not to be considered as catalysts, as they sometimes are inappropriately defined, in that they do not actively participate to the reaction and cannot be retrieved unaltered.

The reactivity of peroxide-derived radicals does not depend, therefore, only on the nature of primary decomposition, but also on the products of a subsequent stabilisation. This might happen in various stages, depending on the reaction’s environment and conditions.

The most commonly adopted reaction for the generation of radicals is thermal decomposition of a relatively unstable chemical species such as a peroxide. In polymerisation, peroxides are stable chemical products at room temperature.

The accelerators’ temperature causes the peroxides to decompose into radicals, which start the resin polymerisation reaction.

The polymerisation reaction follows certain criteria that may be modified, to a greater or smaller extent, with customers’ inputs in collaboration with our technical assistance. This will allow optimising to the maximum the production cycle and reaching desired goals.


Quality

Quality

Quality


Raw Material Selection/Choice

Raw Material Selection/Choice

Raw Material Selection/Choice


Procedure Control

Procedure Control

Procedure Control




PEROXIDES FOR THERMOSETTING RESINS

Product Range

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Technical Data

PROMOX P200 TX

Butanone peroxide in plastifier: phthalate-free; for general and medium reactivity uses, to cure unsaturated polyester resins at room temperature and with cobalt accelerators.


PROMOX P200 TX D

Methyl ethyl ketone peroxide in plastifier: phthalate-free and diluted with isopropyl alcohol, it may be used with spray-up technology in case of dosing problems at room temperature and with cobalt accelerators.

Technical Data

PROMOX P211 TX

Butanone peroxide in plastifier: phthalate-free; for general and medium reactivity uses, to cure unsaturated polyester resins at room temperature and with cobalt accelerators.

Technical Data

PROMOX P201 TX

Ketone peroxide mixture in plastifier, for technologies requiring a shorter curing time than P200 at equal freezing timespan, at room temperature and with cobalt accelerators. Such technologies include: corrugated materials, laminates and resin marbles.

Technical Data

PROMOX P202 TX

Ketone peroxide mixture in plastifier, with similar applications to P201 and a longer hardening timespan.


PROMOX P215 TX

Butanone peroxide-based mixture in plastifier, with very long freezing and hardening timespans, and low exothermic temperatures. Its applications include, for example, the production of thick laminates.


PROMOX P250 TX

Butanone peroxide in plastifier: phthalate-free and formulated for use with vinyl ester resins and vinyl-ester-based gelcoats, at room temperature and with cobalt accelerators.

Technical Data

PROMOX P300

Acetyl acetone peroxide in plastifier: ideal to obtain a fast production cycle, by using its high reactivity during the curing phase.

Technical Data

PROMOX P302 TX

Ketone peroxide mixture in plastifier, with similar applications to P201 and a shorter hardening timespan.


PROMOX P360

Acetyl acetone peroxide-based mixture in plastifier, formulated to increase quality of resins’ definitive cross-links.


PROMOX P420

Cyclohexanone peroxide in plastifier, at medium reactivity; for use in the cross-links of spray mastics.


PROMOX P600

Hydroperoxide cumene with accelerator, for a fast hardening of vinyl ester resins.


PROMOX P601

Hydroperoxide cumene for high-temperature cross-links of polyester resins, and room-temperature cross-links of vinyl ester resins. Low exothermic temperature.


PROMOX P650 TX

Methyl isobutyl ketone peroxide in plastifier, at medium-high reactivity; for use in the process of continuous lamination, including without cobalt accelerators.


PROMOX PTBH 70

Tert-butyl-hydroperoxide solution in water. To use in combination with ketone peroxides, to obtain long hardening timespans and low exothermic levels.


PROMOX P701 PA

Dibenzoyl peroxide, 50% in phlegmatiser and in paste. High-temperature cross-links of unsaturated polyester resins.


PROMOX P700 PW

Dibenzoyl peroxide, 20% in calcium sulphate, powder. Cross-links of highly-charged resins.


PROMOX PB

Tert-butyl perbenzoate. Pure product for high-temperature cross-links of unsaturated polyester resins, with SMC and BMC technologies, or for uses in mixtures with other peroxides.

OTHER PRODUCTS

Inhibitors, Accelerants, Initiators

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PROMOX DEAA

Catalysis accelerator, for use in curing systems for ketone peroxides and cobalt accelerators.


PROMOX AA

Catalysis accelerator, for use in curing systems for ketone peroxides and cobalt accelerators.


PROMOX BC 10 TX

Inhibitor used to lengthen freezing time and potlife of curing systems, at room temperature and at high temperatures.


PROMOX CO6XY

Accelerator to be used in combination with ketone peroxides, in cross-linking unsaturated polyester resins, at room temperature and at high temperatures.


PROMOX CO6WS

Accelerator to be used in combination with ketone peroxides, in cross-linking unsaturated polyester resins, at room temperature and at high temperatures.


PROMOX CO12XY

Accelerator to be used in combination with ketone peroxides, in cross-linking unsaturated polyester resins, at room temperature and at high temperatures.


PROMOX CO12WS

Accelerator to be used in combination with ketone peroxides, in cross-linking unsaturated polyester resins, at room temperature and at high temperatures.

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Applications


Unsaturated Polyester Resins


Polymerisation of Unsaturated Polyester Resins


Organic Peroxides Applications


Ketone Peroxides


Organic Peroxides Evaluation


Progress of Hardening Reaction and Connected Phenomena


Hardening Parameters


Hardening Parameters


Curing Phases