SAMPE Journal - May/June 2023 - 11

Figure 4. (A) Photograph of a 12 " x 12 " x 0.5 " made from our Bis A PEEKTM
our Res PEEKTM
PN (side view of plies).
The process scales with the desired dimensions
and is viable for production of even larger
components; due to the mild exothermic reaction
exhibited by all PN resins during cure. Composites
up to 2.5 " thick have been manufactured with
no implications of overheating or destruction
of the composite during high temperature heat
treatments. In the final steps of processing, at
250°C (450°F) the curing temperature is further
increased in a stepwise manor to 325-375°C (575-
700°F) under non-oxidizing conditions depending
on the anticipated end use. Figure 4 shows example
composites that have been processed at the NRL
using the previously described conditions using a
hot-pressing method.
Mechanical and Thermal Properties
In addition to low cost, ease of manufacturing,
and resulting material chemistry; the PN delivers
composites with favorable fundamental properties.
Derivatives of the base resin can address
different technology demands and offer a broad
range of breakthrough performances in diverse
applications. Depending on which starting resin
is used to fabricate a composite, the mechanical
properties of the fully cured polymer can vary.
(Figure 5) When either the Bis A PEEKTM
PN or Res
PEEKTM PN are used and cured to 375°C (700°F), the
composite is rigid throughout heating from room
temperature to 400°C (750°F). These conditions
result in only a lost 25% of the original modulus,
over the temperature range. In contrast, the Bis
AF PEEKTM
PN polymer cured under identical
conditions exhibited a Tg at temperatures around
360°C (680°F) and when composited exhibits the
similar behavior. Overall, not all PNs are the same
www. sampe.org
and depending on the application and properties
needed, there are design criteria that one must
engineer for a potential individual need.
PN. (B) Photograph of a 10 " x 10 " x 2.5 " made from
Modern Problems Require
Modern Solutions
Add Flexibility and Impact
Resistance with Silmer Resins
Your Technology -
Our Chemistry
Servicing the
composites Industry
with unique reactive
building blocks and
wetting agents
Siltech Corporation
225 Wicksteed Avenue; Toronto, Ontario, Canada M4H 1G5
Tel: (416) 424-4567; Fax: (416) 424-3158
www.siltech.com
MAY JUNE 2023
|
SAMPE JOURNAL |
11
http://www.siltech.com http://www.sampe.org

SAMPE Journal - May/June 2023

Table of Contents for the Digital Edition of SAMPE Journal - May/June 2023

Contents
SAMPE Journal - May/June 2023 - Cover1
SAMPE Journal - May/June 2023 - Cover2
SAMPE Journal - May/June 2023 - Contents
SAMPE Journal - May/June 2023 - 2
SAMPE Journal - May/June 2023 - 3
SAMPE Journal - May/June 2023 - 4
SAMPE Journal - May/June 2023 - 5
SAMPE Journal - May/June 2023 - 6
SAMPE Journal - May/June 2023 - 7
SAMPE Journal - May/June 2023 - 8
SAMPE Journal - May/June 2023 - 9
SAMPE Journal - May/June 2023 - 10
SAMPE Journal - May/June 2023 - 11
SAMPE Journal - May/June 2023 - 12
SAMPE Journal - May/June 2023 - 13
SAMPE Journal - May/June 2023 - 14
SAMPE Journal - May/June 2023 - 15
SAMPE Journal - May/June 2023 - 16
SAMPE Journal - May/June 2023 - 17
SAMPE Journal - May/June 2023 - 18
SAMPE Journal - May/June 2023 - 19
SAMPE Journal - May/June 2023 - 20
SAMPE Journal - May/June 2023 - 21
SAMPE Journal - May/June 2023 - 22
SAMPE Journal - May/June 2023 - 23
SAMPE Journal - May/June 2023 - 24
SAMPE Journal - May/June 2023 - 25
SAMPE Journal - May/June 2023 - 26
SAMPE Journal - May/June 2023 - 27
SAMPE Journal - May/June 2023 - 28
SAMPE Journal - May/June 2023 - 29
SAMPE Journal - May/June 2023 - 30
SAMPE Journal - May/June 2023 - 31
SAMPE Journal - May/June 2023 - 32
SAMPE Journal - May/June 2023 - 33
SAMPE Journal - May/June 2023 - 34
SAMPE Journal - May/June 2023 - 35
SAMPE Journal - May/June 2023 - 36
SAMPE Journal - May/June 2023 - 37
SAMPE Journal - May/June 2023 - 38
SAMPE Journal - May/June 2023 - 39
SAMPE Journal - May/June 2023 - 40
SAMPE Journal - May/June 2023 - 41
SAMPE Journal - May/June 2023 - 42
SAMPE Journal - May/June 2023 - 43
SAMPE Journal - May/June 2023 - 44
SAMPE Journal - May/June 2023 - 45
SAMPE Journal - May/June 2023 - 46
SAMPE Journal - May/June 2023 - 47
SAMPE Journal - May/June 2023 - 48
SAMPE Journal - May/June 2023 - 49
SAMPE Journal - May/June 2023 - 50
SAMPE Journal - May/June 2023 - 51
SAMPE Journal - May/June 2023 - 52
SAMPE Journal - May/June 2023 - 53
SAMPE Journal - May/June 2023 - 54
SAMPE Journal - May/June 2023 - 55
SAMPE Journal - May/June 2023 - 56
SAMPE Journal - May/June 2023 - 57
SAMPE Journal - May/June 2023 - 58
SAMPE Journal - May/June 2023 - 59
SAMPE Journal - May/June 2023 - 60
SAMPE Journal - May/June 2023 - 61
SAMPE Journal - May/June 2023 - 62
SAMPE Journal - May/June 2023 - 63
SAMPE Journal - May/June 2023 - 64
SAMPE Journal - May/June 2023 - 65
SAMPE Journal - May/June 2023 - 66
SAMPE Journal - May/June 2023 - 67
SAMPE Journal - May/June 2023 - 68
SAMPE Journal - May/June 2023 - Cover3
SAMPE Journal - May/June 2023 - Cover4
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